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ASTM B312

Standard Test Method for Green Strength of Specimens Compacted from Metal Powders

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Organization: ASTM
Publication Date: 1 May 2009
Status: inactive
Page Count: 6
ICS Code (Powder metallurgy): 77.160
scope:

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.

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. 

This test method is a companion standard to Test Method B 528 that covers the measurement of the transverse rupture strength of sintered PM test specimens. 

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. 

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.

*A Summary of Changes section appears at the end of this standard.

Document History

April 1, 2020
Standard Test Method for Green Strength of Specimens Compacted from Metal Powders
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...
June 1, 2014
Standard Test Method for Green Strength of Specimens Compacted from Metal Powders
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...
ASTM B312
May 1, 2009
Standard Test Method for Green Strength of Specimens Compacted from Metal Powders
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...
September 10, 1996
Standard Test Method for Green Strength for Compacted Metal Powder Specimens
1. Scope 1.1 This test method covers determination of the green strength of unsintered compacted metal powder specimens by subjecting them to a uniformly increasing transverse loading under...
September 10, 1996
Standard Test Method for Green Strength for Compacted Metal Powder Specimens
This test method covers determination of the green strength of unsintered compacted metal powder specimens by subjecting them to a uniformly increasing transverse loading under controlled conditions....
January 1, 1982
Standard Test Method for Green Strength for Compacted Metal Powder Specimens
A description is not available for this item.

References

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