1996 Edition, September 10, 1996
Standard Test Method for Bending Fatigue Testing for Copper-Alloy Spring Materials
Includes all amendments and changes through Editorial Change 1, September 2014
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Description / Abstract:
This test method establishes procedures for the determination of
the reversed or repeated bending fatigue properties of copper alloy
flat-sheet or strip-spring materials by fixed cantilever, constant
deflection (that is, constant amplitude of displacement)-type
testing machines. This method is limited to flat stock ranging in
thickness from 0.005 to 0.062 in. (0.13 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.