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ASTM B528-16

Current Revision

Standard Test Method for Transverse Rupture Strength of Powder Metallurgy (PM) Specimens

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1.1 This test method covers determination of the transverse rupture strength of sintered, including post-treated, powder metallurgy 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 0.02 in. (0.5 mm), the test results may be questionable.

1.3 Test Method B406 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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 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.


4.1 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.

SDO ASTM: ASTM International
Document Number B528
Publication Date Oct. 1, 2016
Language en - English
Page Count 3
Revision Level 16
Supercedes
Committee B09.05
Publish Date Document Id Type View
Oct. 1, 2016 B0528-16 Revision
Nov. 1, 2012 B0528-12 Revision
June 1, 2010 B0528-10 Revision
Nov. 1, 2005 B0528-05 Revision
Nov. 10, 1999 B0528-99 Revision
Oct. 1, 2020 B0528-16R20E01 Reaffirmation