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1.1 This standard covers a test method that may be used to measure the transverse rupture strength of a compacted but unsintered (green) test specimen produced from lubricated or unlubricated metal powders or powder mixtures.
1.2 Green strength is measured by a quantitative laboratory procedure in which the fracture strength is calculated from the force required to break an unsintered test specimen supported as a simple beam while subjected to a uniformly increasing three-point transverse load under controlled conditions.
1.3 This test method is a companion standard to Test Method B 528
1.4 With the exception of density values, for which the g/cm3 unit is the industry standard, and mass measurements used to calculate density, the values stated in inch-pound units are to be regarded as the standard. The SI equivalents shown in parentheses have been converted in accordance with IEEE/ASTM Standard SI 10, may be approximate and are only included for information.
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. ^REFERENCE:
B 215 Practices for Sampling Metal Powders
B 243 Terminology of Powder Metallurgy
B 528 Test Method for Transverse Rupture Strength of Metal Powder Specimens
B 925 Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
B 962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle
E 691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
SI 10 American National Standard for Use of the International System of Units (SI): The Modern Metric System^KEYWORDS: ^STATUS: Dn Cn Sn Nn Mn ^APPROVAL: 20090501 ^PAGES: 6 ^COMMITTEE: B09 ^SUBCOMMITTEE: 0200 ^BOS: 02.05 ^ORGINFO: ISO ^ACTION: STD_REVISION ^MISCPUB: ^PDESIG: B0312 ^PYEAR: 2009 ^CLASS: Test Method
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B215 Practices for Sampling Metal Powders
B243 Terminology of Powder Metallurgy
B528 Test Method for Transverse Rupture Strength of Powder Metallurgy (PM) Specimens
B925 Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
B962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes Principle
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ICS Number Code 77.160 (Powder metallurgy)