Metal plasticity and ductile fracture modeling for cast aluminum alloy parts

Lee, Jinwoo; Kim, Se-Jong; Park, Hyeonil; Bong, Hyuk Jong; Kim, Daeyong

doi:10.1016/J.JMATPROTEC.2017.12.040

Title: Metal plasticity and ductile fracture modeling for cast aluminum alloy parts

Journal Article · Fri Jan 05 23:00:00 EST 2018 · Journal of Materials Processing Technology

DOI: https://doi.org/10.1016/J.JMATPROTEC.2017.12.040 · OSTI ID:1416967

Lee, Jinwoo ^[1]; Kim, Se-Jong ^[1]; Park, Hyeonil ^[1]; Bong, Hyuk Jong ^[2]; Kim, Daeyong ^[1]

Korea Inst. of Materials Science, Changwon (Republic of Korea). Materials Deformation Dept.
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Here in this study, plasticity and ductile fracture properties were characterized by performing various tension, shear, and compression tests. A series of 10 experiments were performed using notched round bars, flat-grooved plates, in-plane shear plates, and cylindrical bars. Two cast aluminum alloys used in automotive suspension systems were selected. Plasticity modelling was performed and the results were compared with experimental and corresponding simulation results; further, the relationships among the stress triaxiality, Lode angle parameter, and equivalent plastic strain at the onset of failure were determined to calibrate a ductile fracture model. Finally, the proposed ductile fracture model shows good agreement with experimental results.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE; Hyundai-Kia Motor Company (HKMC)

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 1416967

Journal Information:: Journal of Materials Processing Technology, Journal Name: Journal of Materials Processing Technology Vol. 255; ISSN 0924-0136

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
Cast aluminum alloy
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Title: Metal plasticity and ductile fracture modeling for cast aluminum alloy parts

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