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57a75120-2551-4c4c-9819-72b3f222a31e.PDF | Abrasive | Adhesive
Influence of Synthetic and Natural Fibers
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‫ﻫﻴﺌﺔ ﺍﻝﺘﻘﻴﻴﺱ ﻝﺩﻭل ﻤﺠﻠﺱ ﺍﻝﺘﻌﺎﻭﻥ ﻝﺩﻭل ﺍﻝﺨﻠﻴﺞ ﺍﻝﻌﺭﺒﻴﺔ‬
GSO ISO 2063:2007
‫ﺍﻝﺭﺵ ) ﺍﻝﺭﺫﺍﺫ( ﺍﻝﺤﺭﺍﺭﻱ ـ‬
‫ ﺍﻷﻝﻤﻨﻴﻭﻡ ﻭﺨﻠﻴﻁ ﺴﺒﺎﺌﻜﻬﻤﺎ‬، ‫ ﺍﻝﺯﻨﻙ‬-‫ﺍﻝﻁﻼﺀ ﺍﻝﻔﻠﺯﻱ ﻭﻏﻴﺭ ﺍﻝﻌﻀﻭﻱ‬
Thermal spraying - Metallic and other inorganic coatings –
Zinc, aluminum and their alloys
ICS: 25.220.20; 25.220.40
Date of GSO Technical Council
Issuing Status
13-14/9/1428h (25-26/9/2007)
‫ﺍﻹﻤﺎﺭﺍﺕ ﺍﻝﻌﺭﺒﻴﺔ ﺍﻝﻤﺘﺤﺩﺓ ﺒﺈﻋﺩﺍﺩ ﻤﺸﺭﻭﻉ ﻫﺫﻩ ﺍﻝﻤﻭﺍﺼﻔﺔ‬ ‫ﻭﻗﺩ ﺍﻋﺘﻤﺩﺕ ﻫﺫﻩ ﺍﻝﻤﻭﺍﺼﻔﺔ ﻜﻤﻭﺍﺼﻔﺔ ﻗﻴﺎﺴﻴﺔ ﺨﻠﻴﺠﻴﺔ ﺩﻭﻥ ﺇﺩﺨﺎل ﺃﻴﺔ ﺘﻌﺩﻴﻼﺕ ﻓﻨﻴﺔ ﻋﻠﻴﻬﺎ ﻭﺫﻝـﻙ ﻓـﻲ‬ . One of GSO main functions is to issue Gulf Standards /Technical regulations through specialized technical committees (TCs). (12) . 1 . held on 13-14/9/1428h (25-26/9/2007) .GSO STANDARD GSO ISO 2063:2007 ‫ﺘﻘـﺩﻴـﻡ‬ ‫ﻫﻴﺌﺔ ﺍﻝﺘﻘﻴﻴﺱ ﻝﺩﻭل ﻤﺠﻠﺱ ﺍﻝﺘﻌﺎﻭﻥ ﻝﺩﻭل ﺍﻝﺨﻠﻴﺞ ﺍﻝﻌﺭﺒﻴﺔ ﻫﻴﺌﺔ ﺇﻗﻠﻴﻤﻴﺔ ﺘﻀﻡ ﻓـﻲ ﻋـﻀﻭﻴﺘﻬﺎ ﺍﻷﺠﻬـﺯﺓ‬ ‫ ﻭﻤﻥ ﻤﻬﺎﻡ ﺍﻝﻬﻴﺌﺔ ﺇﻋﺩﺍﺩ ﺍﻝﻤﻭﺍﺼﻔﺎﺕ ﺍﻝﻘﻴﺎﺴـﻴﺔ‬، ‫ﺍﻝﻭﻁﻨﻴﺔ ﻝﻠﻤﻭﺍﺼﻔﺎﺕ ﻭﺍﻝﻤﻘﺎﻴﻴﺱ ﻓﻲ ﺩﻭل ﺍﻝﺨﻠﻴﺞ ﺍﻝﻌﺭﺒﻴﺔ‬ .(1) "Chemical and Textiles Products Sector TC " has adopted the International Standard No. GSO through the technical program of committee TC No.‫ﻭﺍﻝﻠﻭﺍﺌﺢ ﺍﻝﻔﻨﻴﺔ ﺍﻝﺨﻠﻴﺠﻴﺔ ﺒﻭﺍﺴﻁﺔ ﻝﺠﺎﻥ ﻓﻨﻴﺔ ﻤﺘﺨﺼﺼﺔ‬ ‫ﻭﻗﺩ ﻗﺎﻤﺕ ﻫﻴﺌﺔ ﺍﻝﺘﻘﻴﻴﺱ ﻝﺩﻭل ﻤﺠﻠﺱ ﺍﻝﺘﻌﺎﻭﻥ ﻝﺩﻭل ﺍﻝﺨﻠﻴﺞ ﺍﻝﻌﺭﺒﻴﺔ ﻀﻤﻥ ﺒﺭﻨﺎﻤﺞ ﻋﻤل ﺍﻝﻠﺠﻨـﺔ ﺍﻝﻔﻨﻴـﺔ‬ ‫( " ﻗﻁـﺎﻉ ﺍﻝﻤﻨﺘﺠـﺎﺕ ﺍﻝﻜﻴﻤﻴﺎﺌﻴـﺔ ﻭﺍﻝﻐـﺯل ﻭﺍﻝﻨﺴﻴـﺞ " ﺒﺘﺒﻨـﻲ ﺍﻝﻤﻭﺍﺼﻔﺔ ﺍﻝﻘﻴﺎﺴـﻴﺔ ﺍﻝﺩﻭﻝﻴـﺔ‬1) ‫ﺭﻗﻡ‬ ‫ ﺍﻷﻝﻤﻨﻴـﻭﻡ‬، ‫ ﺍﻝﺯﻨﻙ‬-‫ ﺍﻝﻁﻼﺀ ﺍﻝﻔﻠﺯﻱ ﻭﻏﻴﺭ ﺍﻝﻌﻀﻭﻱ‬-‫ " ﺍﻝﺭﺵ )ﺍﻝﺭﺫﺍﺫ( ﺍﻝﺤﺭﺍﺭﻱ‬ISO 2063:2005 ‫ ﻭﻗﺎﻤـﺕ ﺩﻭﻝـﺔ‬، ‫ﻭﺨﻠﻴﻁ ﺴﺒﺎﺌﻜﻬﻤﺎ " ﻭﺍﻝﺘﻲ ﺃﺼﺩﺭﺘﻬﺎ "ﺍﻝﻤﻨﻅﻤﺔ ﺍﻝﺩﻭﻝﻴﺔ ﻝﻠﺘﻘﻴﻴﺱ" ﻭﺫﻝﻙ ﺒﻠﻐﺘﻬﺎ ﺍﻷﺼـﻠﻴﺔ‬ . (2007/9/26-25) ‫هـ‬1428/9/14-13 ‫ ﺍﻝﺫﻱ ﻋﻘﺩ ﺒﺘﺎﺭﻴﺦ‬، (12) ‫ﺍﺠﺘﻤﺎﻉ ﺍﻝﻤﺠﻠﺱ ﺍﻝﻔﻨﻲ ﺭﻗﻡ‬ Foreword GCC Standardization Organization (GSO) is a regional Organization which consists of the National Standards Bodies of GCC member States.Metallic and other inorganic coatings Zinc. The Draft Standard has been prepared by (United Arab Emirates) . aluminum and their alloys " issued by (International Organization for Standardization) in its original language. ISO 2063:2005 " Thermal spraying . This standard has been approved as a Gulf Standard without any technical modifications by GSO Technical Council in its meeting No.
aluminium et alliages de ces métaux Reference number ISO 2063:2005(E) © ISO 2005 . aluminium and their alloys Projection thermique — Revêtements métalliques et autres revêtements inorganiques — Zinc.INTERNATIONAL STANDARD ISO 2063 Third edition 2005-03-01 Thermal spraying — Metallic and other inorganic coatings — Zinc.
please inform the Central Secretariat at the address given below. including photocopying and microfilm. The ISO Central Secretariat accepts no liability in this area. electronic or mechanical. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso. Adobe is a trademark of Adobe Systems Incorporated. Unless otherwise specified. parties accept therein the responsibility of not infringing Adobe's licensing policy. In downloading this file. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. the PDF-creation parameters were optimized for printing.org Web www.ISO 2063:2005(E) PDF disclaimer This PDF file may contain embedded typefaces.org Published in Switzerland ii © ISO 2005 – All rights reserved . ISO copyright office Case postale 56 • CH-1211 Geneva 20 Tel.iso. Details of the software products used to create this PDF file can be found in the General Info relative to the file. no part of this publication may be reproduced or utilized in any form or by any means. © ISO 2005 All rights reserved. In the unlikely event that a problem relating to it is found. In accordance with Adobe's licensing policy.
. The main task of technical committees is to prepare International Standards. ISO 2063 was prepared by the European Committee for Standardization (CEN) in collaboration with Technical Committee ISO/TC 107.. For the purposes of this International Standard. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.ISO 2063:2005(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). ISO shall not be held responsible for identifying any or all such patent rights.” to mean “. in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement). Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. the CEN annex giving a list of EN documents corresponding to ISO documents mentioned as normative references has been removed. © ISO 2005 – All rights reserved iii . Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.. International organizations. Metallic and other inorganic coatings.. which has been technically revised. This third edition cancels and replaces the second edition (ISO 2063:1991).”.this International Standard.. governmental and non-governmental. in liaison with ISO. read “. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Part 2. also take part in the work. Throughout the text of this document.. The work of preparing International Standards is normally carried out through ISO technical committees..this European Standard. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization..
..5 Thickness ...............................................................6 Adhesion test .....................................4 6................................................................................................1 2 Normative references ................................................................................................4 7 7...............................................................................................................................................................................................................................................................................................................5 Appearance ....................................................................11 Bibliography ..........................................................................................................................................................................................................................................................................................................................................................................4 Painting............................................................................................................................................................................3 6 6.................................2 Tensile test method ...................................................................................................3 6.................3 Preparation of surfaces to be coated by thermal spraying ..............................................................................................3 Coating metal ......................ISO 2063:2005(E) Contents page Foreword....................................................................1 3 Terms and definitions ..1 6.............................................................................................................................................5 Manufacture.............................2 Test methods............v Introduction ...................................2 7.........1 8............................................................................2 4 Manner of specifying requirements ....................1 7..................4 Sealing ............................................................................................................4 Thermal spraying .........................................................................................................................................................................................................................................6 8 8............6 Adhesion..................................................12 iv © ISO 2005 – All rights reserved .......................................................................................................................8 A...............................................................................7 Annex A (informative) Adhesion test methods ....................................2 6.....................6 Measurement of thickness.....................9 Annex B (informative) Recommendations for use..........................................................................................................3 Required characteristics........................................................................................................................................................................................................................................................................................................vi 1 Scope ..............................................................................................................................................................................................................................................................................8 A..................................................2 5 Classification.............................................................................................1 Grid test .......................................................................................................
Hungary. Denmark. Slovakia. Poland. Malta. the national standards organizations of the following countries are bound to implement this European Standard: Austria. Luxembourg. Annex A and B are informative. Sweden. Slovenia. Germany. Iceland. at the latest by September 2005. Cyprus. France. Finland. Czech Republic. and conflicting national standards shall be withdrawn at the latest by September 2005. Belgium. either by publication of an identical text or by endorsement. This document supersedes EN 22063:1993. Lithuania. in collaboration with Technical Committee ISO/TC 107 “Metallic and other inorganic coatings”.ISO 2063:2005(E) Foreword This document (EN ISO 2063:2005) has been prepared by Technical Committee CEN/TC 240 “Thermal spraying and thermally sprayed coatings”. Latvia. Italy. Netherlands. This document includes a Bibliography. Greece. According to the CEN/CENELEC Internal Regulations. Spain. Norway. Portugal. Estonia. Switzerland and United Kingdom © ISO 2005 – All rights reserved v . Ireland. the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard.
It is essential that the purchaser specifies the coating metal or alloy and the thickness of the coating required: merely to ask for thermal metal spraying to be carried out in accordance with this standard.ISO 2063:2005(E) Introduction Thermal-sprayed metallic coatings are produced by heating the coating metal to its molten stage and projecting it in a stream of gas onto the prepared surface to be coated. is insufficient. without this information. vi © ISO 2005 – All rights reserved . It is essential that the design of the article is such that it may be coated properly.
It gives firstly the definition. Non-magnetic coatings on magnetic substrates — Measurement of coating thickness — Magnetic method (ISO 2178:1982). Preparation of steel substrates before application of paints and related products — Specifications for non-metallic blast-cleaning abrasives — Part 4: Coal furnace slag (ISO 11126-4:1993). thickness. EN ISO 11124-2. classification and symbols for these coatings in relation to their thickness. Preparation of steel substrates before application of paints and related products — Specifications for non-metallic blast-cleaning abrasives — Part 7: Fused aluminium oxide (ISO 11126-7:1995). It then deals with the preparation of surfaces. EN ISO 11126-3. EN ISO 11126-4. Preparation of steel substrates before application of paints and related products — Specifications for metallic blast-cleaning abrasives — Part 2: Chilled-iron grit (ISO 11124-2:1993). Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 2: Classification of environments (ISO 12944-2:1998). EN ISO 2064:2000. EN ISO 12944-1. This standard deals with characteristic properties and gives test methods for coatings obtained by the spraying of zinc and aluminium and their alloys for the general purpose of corrosion protection. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 1: General introduction (ISO 12944-1:1998). © ISO 2005 – All rights reserved 1 . Preparation of steel substrates before application of paints and related products — Specifications for non-metallic blast-cleaning abrasives — Part 3: Copper refinery slag (ISO 11126-3:1993). EN ISO 8501-1. Metallic and oxide coatings — Measurement of coating thickness — Microscopical method (ISO 1463:1982).ISO 2063:2005(E) 1 Scope This standard applies to thermal-sprayed metallic coatings for the protection of iron and steel against corrosion by applying zinc or aluminium or their alloys to uncoated surface to be protected. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 3: Design considerations (ISO 12944-3:1998). EN ISO 12944-3. EN ISO 1463. application of coatings and their characteristic properties: namely. For other metals some of the provisions are valid and can be adopted by agreement between the interested parties. EN ISO 12944-2. only the edition cited applies. Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings (ISO 8501-1:1988). Finally it gives test methods for checking these properties. appearance and adhesion. EN ISO 2178. For dated references. EN ISO 11126-7. Metallic and other inorganic coatings — Definitions and conventions concerning the measurement of thickness (ISO 2064:1996). For undated references. 2 Normative references The following referenced documents are indispensable for the application of this document. the latest edition of the referenced document (including any amendments) applies.
the terms and definitions given in EN ISO 2064:2000 and the following apply. 2 © ISO 2005 – All rights reserved . EN ISO 14919:2001. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 8: Development of specifications for new work and maintenance (ISO 12944. the significant surface of the metal coating and its thickness in accordance with the symbols indicated in Table 1.8:1998). Thermal spraying — Wires. rods and cords for flame and arc spraying — Classification — Technical supply conditions (ISO 14919:2001). EN ISO 12944-8. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 5: Protective paint systems (ISO 12944-5:1998). EN ISO 12944-5:1998. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 7: Execution and supervision of paint work (ISO 12944-7:1998). EN ISO 12944-6. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 6: Laboratory performance test methods (ISO 12944-6:1998). in addition to the number of the standard.ISO 2063:2005(E) EN ISO 12944-4. Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 4: Types of surface and surface preparation (ISO 12944-4:1998).2 minimum local thickness lowest value of the local thickness found on the significant surface of a single article 4 Manner of specifying requirements When specifying the coating of articles by thermal spraying in accordance with this standard.1 significant surface part of the article covered or to be covered by the coating and for which the coating is essential for serviceability and/or appearance 3. 3. EN ISO 12944-7. the purchaser shall state. 3 Terms and definitions For the purposes of this European Standard.
The symbol corresponding to each coating shall be composed of the symbol according to EN ISO 14919 followed by the minimum local thicknessd. grease. the use of paints or sealers and the test methods. the parentheses being essential for the identification of the alloy terms. grade Sa 3. the surface shall be dry and free from dust. rust and any contaminants. c By special agreement between the interested parties. notably on the spraying technique used to achieve uniformity of thickness. scale.5 AlMg5 ZnAl15 This classification gives a series of thickness values applicable to zinc. aluminium and Zn-Al alloy coatings. In all cases.99 Al99. the roughness of the surface shall be verified by comparison with a reference surface having similar properties to the workpiece. aluminium and their alloys.  copper refinery slag according to EN ISO 11126-3. aluminium or Zn-Al alloy coatings considered in this standard are classified in a scale according to their thickness. 1) This subclause specifies the most important elements of surface preparation before thermal spraying of zinc. Intermediate values may be specified by agreement between the parties concerned. Immediately before spraying. © ISO 2005 – All rights reserved 3 . it is recommended to refer to EN 13507. g. the chemical symbol corresponding to EN ISO 14919 shall be followed by the minimum local thickness e. Unless otherwise specified. one of the following abrasives shall be used in the preparation of the surface:  hematitic chilled cast iron grit according to EN ISO 11124-2.ISO 2063:2005(E) 5 Classification The zinc. b Thicknesses requiring an agreement between the interested parties. d To specify an alloy coating.1 Manufacture Preparation of surfaces to be coated by thermal spraying1) The surface shall be thoroughly cleaned and roughened by blasting using a suitable abrasive grit. in conformity with the indications in Table 1. a coating of 120 µm consisting of thermal spray material according to ZnAl15 alloy shall be specified as (EN ISO 14919 ZnAl15) 120. 6 6. prepared according to specifications agreed between the interested parties. Blasting shall be continued until the surface has a metallic appearance and uniform texture according to EN ISO 8501-1. For more detailed specifications. a In conformity with EN ISO 2064. Table 1 — Classification of sprayed metal coatings Thermal spray material according to EN ISO 14919 Minimum local thickness (µ µm)a 50b 100 150 200 250 300c Zn99. greater minimum thicknesses may be used if the coating obtained remains in conformity with this standard.
hydroxides and/or basic salts are not soluble in this environment. Table A. by agreement between the interested parties. 6. dry and not contaminated.4 Sealing The purpose of sealing is to reduce inherent porosity of the sprayed coating. Artificial sealing can be achieved either by chemical conversion of the metallic coating surface (by phosphating.5 mm. The sealant shall be applied before the coating can take up any moisture. 2) 4 In some countries. 6.99 according to EN ISO 14919:2001.2 Coating metal The thermal spray material of zinc and zinc alloys or aluminium and aluminium alloys shall comply with EN ISO 14919.  aluminium oxide grit according to EN ISO 11126-7. 6. 2.5 mm and 1. The abrasive used. This time delay shall be as short as possible and typically less than 4 h. any affected areas shall be prepared again to bring them to the required quality (see 6. the air shall be sufficiently clean and dry to prevent contamination of the abrasive or the surface to be sprayed with metal. 2. depending on local conditions.5 Painting Painting of sealed metallic coatings may be done either for aesthetic reasons or to extend the service life of the protective system. Natural sealing can be achieved by oxidation of the metallic coating under normal environmental exposure conditions when resulting oxides.3 Thermal spraying The thermal spraying shall be carried out after the surface has been prepared by abrasive blasting. © ISO 2005 – All rights reserved . other abrasives may be used. 3. whatever its type.3. The grit size of the abrasive is generally between 0.ISO 2063:2005(E)  coal furnace slag according to EN ISO 11126-4. the use of dry siliceous material is subject to statutory regulations. dry and not visibly oxidized.3.  Al 99.1). etc) or by applying an appropriate sealant to seal any porosity. In certain cases2).5 according to EN ISO 14919:2001. In the case of corrosion protection of steel structures the system and the paint system shall apply according to EN ISO 12944-5:1998. 6. In the case of abrasive blasting using compressed air. 3. when spraying commences. shall be clean. Spraying shall not be carried out under conditions leading to condensation of humidity on the surface to be sprayed and the surface shall be maintained at a temperature of at least 3 °C above the dew-point to avoid blistering.  Al Mg5 according to EN ISO 14919:2001.10. but with special precautions to achieve sufficient cleanliness and roughness to ensure the adhesion of the sprayed material. within a period that ensures that the prepared surface is still clean. especially  Zn 99. reactive painting. If deterioration of the surface to be coated is observed.2.1.  Zn Al15 according to EN ISO 14919:2001.
the number and distribution of the measurements over the whole surface area treated shall be done in accordance with 7. The method of measurement. © ISO 2005 – All rights reserved 5 . which shall be sprayed at the same time.1. The local thickness shall be the arithmetic mean of 10 measurements distributed over the reference square decimetre in accordance with Figure 2.2 2 Coatings with a surface area of between 1 cm and 1 m 2 2 2 In the case of coatings with a surface area of between 1 cm and 1 m .1 Thickness General Metallic coatings deposited by thermal spraying are defined by their minimum local thickness (see 3.2).1.3 2 Coatings with a surface area greater than 1 m 2 In the case of coatings with a surface area greater than 1 m . Figure 1 — Distribution of measurement points in the reference square centimeter 7.1 7. the local thickness at any given point is the thickness 2 of the coating measured on a reference surface which shall be approximately 1 dm in area.ISO 2063:2005(E) For the execution of painting EN ISO 12944-1 to EN ISO 12944–8 shall be considered.3. using the some conditions and shall be measured by metallographic or mechanical means.1.1. If the geometry of the component does not allow this.2 and 7. the local thickness at any given point shall 2 be the arithmetic mean of three measurements distributed within an area of 1 cm (see Figure 1).1. an appropriate reference piece shall be agreed between the contacting parties. 7. 7 Required characteristics 7.
1. provided that specifications are observed concerning the number of measurements which shall be used to obtain the arithmetic mean. may be defined by agreement between the parties concerned and stipulated at the time of placing the order. The minimum values of tensile adhesive strength shall be agreed between the contracting parties. 8 Test methods 8. use the micrographic cross-section method if this possible (see 8. and the values of the standard thicknesses.ISO 2063:2005(E) Figure 2 — Distribution of measurement points in the reference square decimetre 7. the nature of the coating (zinc.1. the choice of these points is left to the discretion of the customer. and free from nonadhering metal and defects which can be detrimental to the service life and expected use of the protective coating. Furthermore. aluminium) sprayed onto a ferrous metal. without blisters or bare patches.1 Measurement of thickness Field of application of the methods 8. 7. In the case of dispute. The tensile adhesive strength should be determined according to A. and their number.1 Magnetic measurements have the advantage of being non-destructive.2) which can be used in all cases.1. the coating should be deemed to be satisfactory. wherever possible.2 Appearance The surface of the coating shall be of uniform appearance.3).1. It is recommended that these points should. These points.1.5 Methods of measurement The measurement of thickness shall be made by magnetic measuring methods (see 8. contribute to the 6 © ISO 2005 – All rights reserved . rapid and capable of being carried out directly at any point on the surface to be controlled.1. In the absence of any agreement between the parties concerned. 7.2. be those specified in the product standards. 7.4 Location of thickness test points The measurement of the local thickness for the purpose of determining the minimum characteristic thickness of the coating takes place in practice at points at which the thickness of the coating is presumed to be at its lowest.1 8.1.3 Adhesion If at the end of the test according to annex A no separation from the parent metal or within the metallic coating has occurred.
3. magnetic measurements make it possible to carry out effective and accurate acceptance checks. The surface to be examined shall be carefully polished with a suitable material.ISO 2063:2005(E) achievement of satisfactory accuracy. As a result. in conformity with the specifications of this standard and by agreement between the interested parties on the correct calibration of magnetic instruments for a given sample.2 Adhesion test The choice of the test method and its interpretation shall be carried out by agreement between the interested parties.3 Micrographic cross-section 8. 8.3.3.2 Magnetic measuring method The tests shall be carried out according to EN ISO 2178.1. and the arithmetic mean of these measurements shall be taken.1. Therefore. © ISO 2005 – All rights reserved 7 . Ten measurements shall be made. 8. the test being made according to the requirements of 8. is difficult to perform correctly. uniformly distributed along one of the sides of the test piece and covering approximately the 20 mm length of the cross-section (object surface).1 Principle Microscopic examination of a cross section taken from a sample coating in accordance with EN ISO 1463. 8. the test piece shall be mounted in an appropriate mounting material such as plastic or low melting point alloy. this method shall be used only after prior agreement between the interested parties. 8.2 Comments In order to prevent the separation of the coating from the substrate and rounding of the edges. An explanation of the methods is given in annex A.1.1.2 The micrographic cross-section method used as a reference method for sprayed metallic coatings. 8.1.1.1.
8 © ISO 2005 – All rights reserved . Wherever possible.2).1 Principle Cutting through the coating to the parent metal to give a lattice pattern having squares of specified dimensions.ISO 2063:2005(E) Annex A (informative) Adhesion test methods A. A. A.2 Apparatus Cutting tool with a hard point. cut a lattice with the dimensions given in Table A. apply a suitable adhesive tape.1 — Lattice dimensions Thickness of coating verified Distance between cuts µm mm 15 mm x 15 mm ≤ 200 3 25 mm x 25 mm > 200 5 Approximate surface covered by the lattice The depth of the cuts should be such that the coating is cut through to the parent metal. in a direction perpendicular to the surface. after the lattice has been cut.1.1.1. agreed upon between the interested parties.1. to this part by means of a roller with a loading of 5 N.1. Then pull off the adhesive tape quickly and abruptly. the method of scribing the coating should be agreed upon between the interested parties. No separation of the coating should occur. of a type similar to that shown in Figure A.3 Procedure Using the tool (see A.1.1 Grid test A. If this is not possible. Table A.
which ensure a pulling force truly normal to the surface. level part of the test surface. acrylic-type adhesives work better with a smooth one. Epoxy-type adhesives require a coarse surface.1 General requirements Inconsistent results will be obtained unless a pneumatic or hydraulic tester. Remove any loose material from the test area.ISO 2063:2005(E) a b Key a b Side view Front view Figure A. The coated substrate shall be sufficiently rigid to avoid flexing during testing.2.2 Tensile test method A. The face of the dolly shall be abraded or roughened to improve the key. is obtained. A. © ISO 2005 – All rights reserved 9 . Choose a flat.2.2 Preparation of the Test Dolly The test dolly (pull stub) shall be cleaned either mechanically (abrasion) or chemically and degreased with clean paper or textile moistened with an appropriate solvent such as alcohol.1 — Cutting tool A. Place new silicon carbide paper on a flat and hard surface and rub the test surface of the test element firmly against the silicon carbide paper several times until the characteristic grey pure steel colour appears.
2.6 Stressing Attach the adhesion tester carefully to avoid disturbing the adhesive under the dolly.ISO 2063:2005(E) With the micro-grooves the effective surface area is now many times larger than the nominal size of the test element. A. the name of the test operator. Otherwise. Apply sufficient adhesive to the face of the dolly to cover it and also to fill the uneven surface of the sprayed metal.2. whether cut around the dolly or not. the thickness type of coating and if wash primer was used. there is no need to degrease once more at this point.2.2. A. If required the metal coating could be slightly abraded with a grit paper to create more metal contact between dolly and coating and if contamination is suspected degreasing with a clean paper or textile moistened with an appropriate solvent. A. carefully cut around the periphery of the dolly to remove excess adhesive and to penetrate to the substrate. and this will strengthen the bond between the adhesive and the test element and reduce glue failure. Cutting eliminates the lateral bond within the coating but can introduce cracks. It should be of high viscosity to prevent it seeping into the slightly porous metal spray. Record the result. the adhesive and adhesion tester. A.7 Assessment Assess the area where the break in the coating occurred. which then undermine the dolly. if it was adhesive or cohesive failure.4 Applying adhesive The adhesive shall be able to form a stronger bond between the dolly and the coating than that at the coating– substrate interface. cover the coating with a wash primer to prevent the adhesive from penetrating to the substrate. Press the dolly by hand down onto the test surface and continue to apply pressure for about half a minute to expel air and to even out the thickness of the adhesive. Allow time for the adhesive to harden. Reset the indicator to zero. This should be done no faster than 1 MPa/s [EN ISO 4624 < 90 s.3 Preparation of the coating The inherent key in thermal sprayed coatings is normally sufficient to prevent glue failure without further pretreatment. A.5 Before stressing Unless specifically agreed between interested parties. 10 © ISO 2005 – All rights reserved .2. < 1 MPa/s]. Gradually and smoothly increase the stress on the dolly (pull stub) until the bond breaks. Unless there is reason to suspect new contamination such as from handling with bare hands. if it was over the full or partial area. resulting in a lower breaking stress.
a 200 Painted Unpainted Zinc 100 200 200 150 200 200 Unpainted 100 100 100 100 150 150 Painted Aluminium 100 250b 200 150 150 250b 100 200b 100 100 100 200b Painted AlMg5 Unpainted Metal Table B.R.a 100 50 100 100 50 100 100 N.R.a Unpainted 50 100 100 50 100 100 Painted ZnAl15 Dimensions in micrometres ISO 2063:2005(E) 11 .© ISO 2005 – All rights reserved N.1 — Minimum thicknesses recommended for different purposes Recommendations for use Annex B (informative) 50 150 150 100 150 N. Offshore application.R. = Not recommended. a b Dry indoor environment C1 C5-M C4 and C5-I Industrial environment Marine atmosphere C2 and C3 Im3 Fresh water Urban environment Im2 Salt water Environment Classification of environments according to EN ISO 12944-2 50 150 N.R.
Thermal spraying — Pre-treatment of surfaces of metallic parts and components for thermal spraying. EN ISO 4624. Paints and varnishes — Pull-off test for adhesion (ISO 4624:2002).ISO 2063:2005(E) Bibliography EN 13507. 12 © ISO 2005 – All rights reserved .
ISO 2063:2005(E) ICS 25.20.40 Price based on 12 pages © ISO 2005 – All rights reserved . 25.220.220.
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