Stress characterization of bore-chilled sand cast aluminum engine blocks in as-cast and T7 condition with application of neutron diffraction

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dc.contributor.authorStroh, Jen_AU
dc.contributor.authorSediako, Den_AU
dc.contributor.authorByczynski, Gen_AU
dc.contributor.authorLombardi, Aen_AU
dc.contributor.authorParadowska, AMen_AU
dc.date.accessioned2021-02-12T05:48:57Zen_AU
dc.date.available2021-02-12T05:48:57Zen_AU
dc.date.issued2020-02-24en_AU
dc.date.statistics2021-02-11en_AU
dc.description.abstractIn an effort to improve vehicle fuel efficiency, aluminum (Al) alloys have been gaining upward momentum for use in automotive powertrain components such as engine blocks. Al alloys are lightweight and have good mechanical strength at engine operating temperatures; making them an suitable choice for engine block production. However, during the manufacturing process factors such as inhomogeneous cooling rates and/or coefficients of thermal expansion in multi-material castings can lead to the development of residual stress. This is of particular concern for the relatively thin cylinder bridges, which are exposed to large thermo-mechanical loading during engine operation. The casting process used at Nemak for I6 engine block production does not utilise cast-in liners and therefore may be also be suitable for future mass-produced linerless blocks. This paper utilizes neutron diffraction and SEM/EDS to determine how T7 heat treatment reduces the magnitude of residual stress in cast Al I6 engine blocks. © The Minerals, Metals & Materials Societyen_AU
dc.identifier.citationStroh J., Sediako D., Byczynski G., Lombardi A., & Paradowska A. (2020). Stress characterization of bore-chilled sand cast aluminum engine blocks in as-cast and T7 condition with application of neutron diffraction. Paper presented to TMS 2020 and 149th TMS Annual Meeting and Exhibition, San Diego, California, 23- 27 February 2020, (pp. 142). Retrieved from https://www.tms.org/tms2020/downloads/TMS2020-Technical-Program-WEB.pdfen_AU
dc.identifier.conferenceenddate27 February 2020en_AU
dc.identifier.conferencenameTMS 2020 and 149th TMS Annual Meeting and Exhibitionen_AU
dc.identifier.conferenceplaceSan Diego, Californiaen_AU
dc.identifier.conferencestartdate23 February 2020en_AU
dc.identifier.pagination142en_AU
dc.identifier.urihttps://www.tms.org/tms2020/downloads/TMS2020-Technical-Program-WEB.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10395en_AU
dc.language.isoenen_AU
dc.publisherThe Minerals, Metals & Materials Societyen_AU
dc.subjectStressesen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectAluminium alloysen_AU
dc.subjectEnginesen_AU
dc.subjectCoolingen_AU
dc.subjectResidual stressesen_AU
dc.subjectHeat treatmentsen_AU
dc.titleStress characterization of bore-chilled sand cast aluminum engine blocks in as-cast and T7 condition with application of neutron diffractionen_AU
dc.typeConference Presentationen_AU
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