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ASTM D7774

Standard Test Method for Flexural Fatigue Properties of Plastics

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Organization: ASTM
Publication Date: 1 May 2017
Status: active
Page Count: 6
ICS Code (Plastics in general): 83.080.01
scope:

This test method covers the determination of dynamic full reversed fatigue properties of plastics in flexure. This method is applicable to rigid and semi-rigid plastics. Stress and strain levels are below the proportional limit of the material where the strains and stresses are relatively elastic. Three-point or four-point bending systems are used to determine these properties

This test method can be used with two procedures

Procedure A, designed for materials that use threepoint loading systems to determine flexural strength. Threepoint loading system is used for this procedure

Procedure B, designed for materials that use fourpoint loading systems to determine flexural strength. Fourpoint loading system is used for this procedure

Comparative tests can be run in accordance with either procedure, provided that the procedure is found satisfactory for the material being tested

The values stated in SI units are to be regarded as the standard. The values provided in parentheses are for information only

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

NOTE 1-This standard and ISO 13003 address the same subject matter, but differ in technical content and results cannot be directly compared between the two test methods

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D7774
May 1, 2017
Standard Test Method for Flexural Fatigue Properties of Plastics
This test method covers the determination of dynamic full reversed fatigue properties of plastics in flexure. This method is applicable to rigid and semi-rigid plastics. Stress and strain levels are...
July 5, 2012
Standard Test Method for Flexural Fatigue Properties of Plastics
This test method covers the determination of dynamic full reversed fatigue properties of plastics in flexure. This method is applicable to rigid and semi-rigid plastics. Stress and strain levels are...
December 1, 2011
Standard Test Method for Flexural Fatigue Properties of Plastics
This test method covers the determination of dynamic full reversed fatigue properties of plastics in flexure. This method is applicable to rigid and semi-rigid plastics. Stress and strain levels are...

References

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