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Aluminum Strain Hardening Exponent

Aluminum Strain Hardening Exponent

Aluminum Strain Hardening Exponent

(OP)
Could anyone please  help me to find the strain hardening exponent for 7075 T6, 6061 T6 and 2014 T6 Aluminum.

Thank you in Advance

NickJK

RE: Aluminum Strain Hardening Exponent

From ASM Handbook, Volume 8, Mechanical Testing and Evaluation, under Component testing,,,,,

7075 T6  monotonic load, n=0.113
6061 data for T651 only, monotonic load, n=0.042
2014 T6  not reported

RE: Aluminum Strain Hardening Exponent

(OP)
Metengr,

Thank you so very much for the quick response and location of the data.

NickJK

RE: Aluminum Strain Hardening Exponent

Aluminum alloys have a FCC crystal structure and low stacking fault energy, which means that dislocation cross slip is extensive, and therefore they do not significantly strain harden.  2014-T6 will be in the same range as the other two alloys, probably closer to 7075.

RE: Aluminum Strain Hardening Exponent

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