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ASTM E2448-05

Historical Revision

Standard Test Method for Determining the Superplastic Properties of Metallic Sheet Materials

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1.1 This test method describes the procedure for determining the superplastic forming properties (SPF) of a metallic sheet material. It includes tests both for the basic SPF properties and also for derived SPF properties. The test for basic properties encompasses effects due to strain hardening or softening.

1.2 This test method covers sheet materials with thicknesses of at least 0.5 mm but not greater than 6 mm. It characterizes the material under a uni-axial tensile stress condition.

Note 1—Most industrial applications of superplastic forming involve a multi-axial stress condition in a sheet; however it is more convenient to characterize a material under a uni-axial tensile stress condition. Tests should be performed in different orientations to the rolling direction of the sheet to ascertain initial anisotropy.

1.3 This method has been used successfully between strain rates of 10-5 to 10-1 per second.

1.4 This method has been used successfully on Aluminum and Titanium alloys. The use of the method with other metals should be verified.

1.5 The values given in SI units are to be considered the standard.

1.6 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.


SDO ASTM: ASTM International
Document Number E2448
Publication Date Dec. 1, 2005
Language en - English
Page Count 7
Revision Level 05
Supercedes
Committee E28.02
Publish Date Document Id Type View
June 15, 2022 E2448-22 Revision
June 1, 2018 E2448-18 Revision
June 1, 2011 E2448-11E01 Revision
June 1, 2011 E2448-11 Revision
Dec. 1, 2008 E2448-08 Revision
May 1, 2006 E2448-06 Revision
Dec. 1, 2005 E2448-05 Revision