ASTM-B593 2009

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B593-96(2009)e1 Standard Test Method for Bending Fatigue Testing for Copper-Alloy Spring Materials

Published By	Publication Date	Number of Pages
ASTM	2009	5

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Categories: 77.150.30 - Copper products, ASTM

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Description

1.1 This test method describes 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 10 ⁵ to 10 ⁸ cycles, and to conditions where no significant change in stress-strain relations occurs during the test.

Note 1This 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.

1.2 Units The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 The following safety hazard caveat pertains only to the test methods(s) described in this test method.

1.3.1 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus Test Specimen Calculation of Stress FIG. 1
3	Machine Calibration FIG. 2
4	Procedure Report Precision and Bias Keywords FIG. 3

Additional information

Standard Title	B593-96(2009)e1 Standard Test Method for Bending Fatigue Testing for Copper-Alloy Spring Materials
Published Code	ASTM
Publication Date	2009
Pages Count	5
ICS Codes	77.150.30 - Copper products

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ASTM-B593 2009

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