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ASTM E328-86(1996)e1

Historical Revision

Standard Test Methods for Stress Relaxation for Materials and Structures

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1.1 These test methods cover the determination of the time dependence of stress (stress relaxation) in materials and structures under conditions of approximately constant constraint, constant environment, and negligible vibration. In the procedures recommended, the material or structure is initially constrained by externally applied forces, and the change in the external force necessary to maintain this constraint is determined as a function of time.

1.2 Specific methods for conducting stress relaxation tests on materials subjected to tension, compression, bending and torsion loads are described in Parts A, B, C, and D, respectively. These test methods also include recommendations for the necessary testing equipment and for the analysis of the test data.

1.3 It is recognized that the long time periods required for these types of tests are often unsuited for routine testing or for specification in the purchase of material. However, these tests are valuable tools in obtaining practical design information on the stress relaxation of materials subjected to the conditions enumerated, and in investigations of the fundamental behavior of materials.

1.4 This standard does not purport to address the safety problems 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.


SDO ASTM: ASTM International
Document Number E328
Publication Date Jan. 1, 1996
Language en - English
Page Count 12
Revision Level 86(1996)e1
Supercedes
Committee E28.10
Publish Date Document Id Type View
Feb. 1, 2021 E0328-21 Revision
Dec. 1, 2020 E0328-20 Revision
Nov. 1, 2013 E0328-13 Revision
Nov. 10, 2002 E0328-02 Revision
Jan. 1, 1996 E0328-86R96E01 Revision
May 1, 2008 E0328-02R08 Reaffirmation