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ASTM E 2448 : 2018

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Determining the Superplastic Properties of Metallic Sheet Materials
Available format(s)

Hardcopy , PDF

Superseded date

30-01-2023

Language(s)

English

Published date

20-09-2018

Publisher

American Society for Testing and Materials

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.

1.1This 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.

1.2This 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.

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

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

1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This 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.

Committee
E 28
DocumentType
Test Method
Pages
7
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 2712 : 2022 Standard Test Methods for Bulge-Forming Superplastic Metallic Sheet
ASTM E 633 : 2021 : REV A Standard Guide for Use of Thermocouples in Elevated-Temperature Mechanical Testing
ASTM E 2712 : 2015 Standard Test Methods for Bulge-Forming Superplastic Metallic Sheet

ASTM E 177 : 1990 : REV A : R1996 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ASTM E 21 : 2020 Standard Test Methods for Elevated Temperature Tension Tests of Metallic Materials
ASTM E 6 : 2002 Standard Terminology Relating to Methods of Mechanical Testing
ASTM E 691 : 2020 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2019 : EDT 1 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2022 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 691 : 2009 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 6 : 2015 : EDT 3 Standard Terminology Relating to Methods of Mechanical Testing
ASTM E 4 : 2021 Standard Practices for Force Calibration and Verification of Testing Machines
ASTM E 691 : 2021 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ASTM E 6 : 2015 : EDT 4 : REDLINE Standard Terminology Relating to Methods of Mechanical Testing

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