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ASTM B593-20 PDF

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Standard Test Method for Bending Fatigue Testing for Copper-Alloy Spring Materials
standard by ASTM International, 04/01/2020

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Description

1.1 This test method establishes the requirements for the determination of the reversed or repeated bending fatigue properties of copper alloy flat sheet, or strip of spring materials by fixed cantilever, constant deflection (that is, constant amplitude of displacement)-type testing machines. This method is limited to flat sheet or strip ranging in thickness from 0.005 in. to 0.062 in. (0.13 mm to 1.57 mm), to a fatigue life range of 105 to 108 cycles, and to conditions where no significant change in stress-strain relations occurs during the test.

Note 1: This implies that the load-deflection characteristics of the material do not change as a function of the number of cycles within the precision of measurement. There is no significant cyclic hardening or softening.

Product Details

Published:
04/01/2020
Number of Pages:
5
File Size:
1 file , 350 KB
Redline File Size:
2 files , 830 KB