Reference number : GC-2017-Q3-00523, amendment number : , agreement type : G, recipient legal name : Sediako, Dimitry (The University of British Columbia), recipient country : CA, recipient province : nan, recipient city : British Columbia|Colombie-Britannique, recipient postal code : nan, program name english : Engage Grants for universities, program name french : Subventions d'engagement partenarial pour les universités, program purpose english : Nemak Canada is currently introducing a new aluminum engine block into its product line that is based on I6_x000D_
architecture. This involves development of new casting technology, which shall address exceptionally thin wall_x000D_
sections, interbore cooling channels, and localized integrated chills. The focus of this research is the_x000D_
microstructure, mechanical properties and residual stresses in an aluminum alloy engine block that have been_x000D_
manufactured with the new technology. Aluminum alloys do not have as high mechanical strength and wear_x000D_
resistance as compared to, for example, ferrous alloys and are often susceptible to deformation or distortion_x000D_
during service while under high loads and elevated temperatures, and excessive wear at friction surfaces. This_x000D_
permanent deformation and excessive wear can lead to improper sealing of the combustion chamber, which_x000D_
will result in leakage of the air-fuel mixture past the piston rings into the crankcase, known as blow-by. With_x000D_
the occurrence of any amount of blow-by, the engine efficiency decreases and fuel consumption and carbon and_x000D_
NOx emissions rapidly increase. Due to strict environmental laws now commonly enforced in most_x000D_
jurisdictions, engines suffering from blow-by would require expensive recalls, resulting in significant financial_x000D_
losses for the automotive industry. Mechanical properties are highly dependent on alloy composition and_x000D_
microstructure. To secure the engine block quality is it therefore important to understand how microstructure_x000D_
and residual stress evolve at each stage of the manufacturing process (casting, heat treatment, and machining)._x000D_
The first objective of this research is to analyze the microstructure and residual stresses for each stage of the_x000D_
manufacturing process. This will allow to identify the stage(s) during manufacturing that may lead to_x000D_
detrimental microstructural changes or high residual stresses that contribute to component premature failure_x000D_
during service. The second objective is to study how cast-in chills influence the post casting heat treatment._x000D_
This will enable optimization of the casting and heat treatment process to enhance alloy mechanical properties_x000D_
and thus provide OEMs a new lighter material for engine blocks that will increase automobile fuel efficiency., program purpose french : Nemak Canada is currently introducing a new aluminum engine block into its product line that is based on I6_x000D_
architecture. This involves development of new casting technology, which shall address exceptionally thin wall_x000D_
sections, interbore cooling channels, and localized integrated chills. The focus of this research is the_x000D_
microstructure, mechanical properties and residual stresses in an aluminum alloy engine block that have been_x000D_
manufactured with the new technology. Aluminum alloys do not have as high mechanical strength and wear_x000D_
resistance as compared to, for example, ferrous alloys and are often susceptible to deformation or distortion_x000D_
during service while under high loads and elevated temperatures, and excessive wear at friction surfaces. This_x000D_
permanent deformation and excessive wear can lead to improper sealing of the combustion chamber, which_x000D_
will result in leakage of the air-fuel mixture past the piston rings into the crankcase, known as blow-by. With_x000D_
the occurrence of any amount of blow-by, the engine efficiency decreases and fuel consumption and carbon and_x000D_
NOx emissions rapidly increase. Due to strict environmental laws now commonly enforced in most_x000D_
jurisdictions, engines suffering from blow-by would require expensive recalls, resulting in significant financial_x000D_
losses for the automotive industry. Mechanical properties are highly dependent on alloy composition and_x000D_
microstructure. To secure the engine block quality is it therefore important to understand how microstructure_x000D_
and residual stress evolve at each stage of the manufacturing process (casting, heat treatment, and machining)._x000D_
The first objective of this research is to analyze the microstructure and residual stresses for each stage of the_x000D_
manufacturing process. This will allow to identify the stage(s) during manufacturing that may lead to_x000D_
detrimental microstructural changes or high residual stresses that contribute to component premature failure_x000D_
during service. The second objective is to study how cast-in chills influence the post casting heat treatment._x000D_
This will enable optimization of the casting and heat treatment process to enhance alloy mechanical properties_x000D_
and thus provide OEMs a new lighter material for engine blocks that will increase automobile fuel efficiency., agreement title english : Development of manufacturing technologies and characterization of microstructure, residual_x000D_
stress, and resultant in-service properties for production of I6 aluminum cylinder block, agreement title french : Development of manufacturing technologies and characterization of microstructure, residual_x000D_
stress, and resultant in-service properties for production of I6 aluminum cylinder block, agreement number : EGP, agreement value : 25000.0, agreement start date : 2017-11-08, agreement end date : nan, description english : nan, description french : nan, expected results english : nan, expected results french : nan, additional information english : Grant or Award spanning more than one fiscal year (2017-2018 to 2018-2019)., additional information french : Subvention ou bourse octroyée s'appliquant à plus d'un exercice financier (2017-2018 à 2018-2019)., owner organization : nserc-crsng, owner organization title : Natural Sciences and Engineering Research Council of Canada | Conseil de recherches en sciences naturelles et en génie du Canada