title: ÐÐ¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¸Ð½ÑÐµÑÐ¼ÐµÑÐ°Ð»Ð»Ð¸Ð´Ð½Ð¾Ð³Ð¾ ÑÐ¿Ð»Ð°Ð²Ð° Ð¶ÐµÐ»ÐµÐ·Ð¾-Ð°Ð»ÑÐ¼Ð¸Ð½Ð¸Ð¹ Ð´Ð»Ñ Ð´ÑÐ³Ð¾Ð²Ð¾Ð¹ Ð½Ð°Ð¿Ð»Ð°Ð²ÐºÐ¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Modeling and research of iron-aluminum intermetallic alloy for arc surfacing
Creators: name: ÐÐ¾Ð±ÑÐ¾ÑÐ¾Ð´Ð¾Ð²Ð°, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: Ð¡Ð¿Ð»Ð°Ð²Ñ
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iron-aluminum
software

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description: Theme of qualification work:Â "Modeling and research of iron-aluminum intermetallic alloy for arc surfacing". The paper considers the development and research of a surfacing flux-cored wire based on the Fe-Al system with a diameter of 2 mm. Thermodynamic modeling of an intermetallic system based on iron-aluminum has been carried out and a system for alloying flux-cored wire has been developed. Tasks of the final qualifying work: â To analyze the scientific and technical literature on already existing intermetallic alloys; â Conduct an analysis of information on the available types of flux-cored wires; â Develop an alloying system for flux-cored wire; â Perform thermodynamic modeling of an intermetallic system based on iron-aluminum; â Develop and research flux-cored wire and manufacture it; â Carry out surfacing and investigate the properties of the deposited metal. With the help of thermodynamic modeling of the Thermo-Calc software package, modeling of phase diagrams, isothermal sections of ternary systems at 500-2500 K, and charge melting diagram was performed. Optimum concentrations of alloying substances were selected. The production of welding wire took place on the basis of the Laboratory of Welding Materials of St. Petersburg Polytechnic University. Non-consumable electrode welding in argon (TIG) was chosen as the welding method. A mixture of argon (Ar) and carbon dioxide (CO2) meeting the requirements of ÐÐÐ¡Ð¢ ÐÐ¡Ð 14175-2010 was used as a protective gas.Hardness tests were carried out using the Vickers method, a metallographic study and a chemical analysis study.