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ASTM International - ASTM B312-14

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

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Organization: ASTM International
Publication Date: 1 June 2014
Status: inactive
Page Count: 6
ICS Code (Powder metallurgy): 77.160
significance And Use:

5.1 The green strength value determined under the conditions specified by this test method is influenced by the characteristics of the powder, how it compacts under the specified conditions (i.e.,... View More

scope:

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 B528 that covers the measurement of the transverse rupture strength of sintered PM test specimens.

1.4 With the exception of the values for density and the mass used to determine density, for which the use of the gram per cubic centimeter (g/cm3) and gram (g) units is the longstanding industry practice, the values 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.

Document History

April 1, 2020
Standard Test Method for Green Strength of Specimens Compacted from Metal Powders
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...
ASTM B312-14
June 1, 2014
Standard Test Method for Green Strength of Specimens Compacted from Metal Powders
5.1 The green strength value determined under the conditions specified by this test method is influenced by the characteristics of the powder, how it compacts under the specified conditions (i.e.,...
May 1, 2009
Standard Test Method for Green Strength of Specimens Compacted from Metal Powders
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...
September 10, 1996
Standard Test Method for Green Strength for Compacted Metal Powder Specimens
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 controlled...
September 10, 1996
Standard Test Method for Green Strength for Compacted Metal Powder Specimens
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 controlled...
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