1.1 This test method covers determination of the transverse rupture strength of sintered metal powder test specimens by subjecting them to a uniformly increasing transverse loading 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. By varying the composition and preparation of specimens, actual production conditions can be closely simulated.
1.2 The following special tests should be consulted for the specified materials: Test Method B378 and Test Method B406.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B243 Terminology of Powder Metallurgy
B312 Test Method for Green Strength of Specimens Compacted from Metal Powders
B406 Test Method for Transverse Rupture Strength of Cemented Carbides
B925 Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
flexural strength; 3 Point Bend Test; transverse rupture; transverse rupture strength; TRS;
ICS Number Code 77.160 (Powder metallurgy)
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