ASTM-B528 › Historical Revision Information
Standard Test Method for Transverse Rupture Strength of Metal Powder Specimens
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Scope
1.1 This test method covers determination of the transverse rupture strength of sintered, including post-treated, metal powder test specimens by subjecting them to a uniformly increasing transverse force under controlled conditions. The term "transverse rupture strength" as used herein, defines the stress, calculated from the flexure formula required to break a specimen as a simple beam supported near the ends and applying the force midway between the fixed line center of the supports.
1.2 Limitations The transverse rupture test is only applicable to relatively brittle materials. In cases where a ductile specimen is being tested and the permanent deflection as a result of testing exceeds 0.020 in. (0.50 mm), the test results may be questionable.
1.3 Test Method B 406 should be consulted for determining the transverse rupture strength of cemented carbides.
1.4 The values stated in inch-pound units are to be regarded as the standard. The SI values are provided 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.
Significance and Use
This test method is used to measure the strength of sintered, including post-treated, specimens. Transverse rupture strength is not a design value. For many sintered materials, transverse rupture strength is approximately twice the ultimate tensile strength.
Keywords
fluxural strength; 3 Point Bend Test; transverse rupture; transverse rupture strength; TRS; ICS Number Code 77.160 (Powder metallurgy)
To find similar documents by ASTM Volume:
02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)
To find similar documents by classification:
77.160 (Powder metallurgy Including sintered metal materials and hardmetals)
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Document Number
ASTM-B528-05
Revision Level
2005 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Nov. 1, 2005
Document Type
Test Method
Page Count
3 pages
Committee Number
B09.05