ASTM WK34111

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Work Item: ASTM WK34111 - Revision of E646 - 07 Standard Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials

Active Standard: E646 - 07

Developed by Subcommittee: E28.02 | Committee E28 Home | Contact Staff Manager

1. Rationale

Revision of E646-07 Standard Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials is necessary becausea)it confuses total strain with plastic strain,b)the procedure for subtracting elastic strain is vague, and c)there is no requirement to report type of strain used to get n. d)ISO has eliminated n based on total strain.

Keywords

Citing ASTM Standards

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Work Item Status:
Date Initiated:07-18-2011
Technical Contact: Richard Fields

Status: Draft Under Development

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