Method of creating a cast automotive product having an improved critical fracture strain

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United States of America Patent

PATENT NO 8721811
SERIAL NO

13297209

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Abstract

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The present invention provides a casting having increased crashworthiness including an aluminum alloy of about 6.0 wt % to about 8.0 wt % Si; about 0.12 wt % to about 0.25 wt % Mg; less than or equal to about 0.35 wt % Cu; less than or equal to about 4.0 wt % Zn; less than or equal to about 0.6 wt % Mn; and less than or equal to about 0.15 wt % Fe, wherein the cast body is treated to a T5 or T6 temper and has a tensile strength ranging from 100 MPa to 180 MPa and has a critical fracture strain greater than 10%. The present invention further provides a method of forming a casting having increased crashworthiness.

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Patent Owner(s)

Patent OwnerAddress
LINAMAR STRUCTURES USA (ALABAMA) INC287 SPEEDVALE AVENUE WEST GUELPH N1H 1C5

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Löland, Jan Ove Farsund, NO 2 17
Lin, Jen C Export, US 80 773
Long, Russell S Murrysville, US 16 307
Mbaye, Moustapha Ada, US 9 80
Yan, Xinyan Murrysville, US 45 480

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