ASTM E646 – Standard Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials
1.1 This test method covers the determination of a strain-hardening exponent by tension testing of metallic sheet materials for which plastic-flow behavior obeys the power curve given in the Introduction.
Note 1:A single power curve may not be a satisfactory fit to the entire stress-strain curve between yield and necking. If such is the case, more than one value of the strain-hardening exponent may be obtained (2) by agreement using this test method.
Product Details
Published:
02/01/2016
Number of Pages:
9
File Size:
1 file , 230 KB
Redline File Size:
2 files , 640 KB
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