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ASTM B 933 : 2016 : REDLINE

ASTM B 933 : 2016 : REDLINE

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Microindentation Hardness of Powder Metallurgy (PM) Materials

Available format(s)

PDF

Superseded date

10-15-2020

Language(s)

English

Published date

04-01-2016

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 02.05, 2017 Defines the determination of the microindentation hardness of powder metallurgy (PM) materials.

1.1This test method covers the determination of the microindentation hardness of powder metallurgy (PM) materials. The test method differs from the approach used for pore-free materials in terms of the precautions required to deal with the porosity.

1.2This procedure covers tests made with the Knoop or Vickers indenters under loads in the range from 1 to 200 gf.

1.3Automated testing is not generally suitable for use with porous PM materials, because acceptable indentations require avoiding placing indentations in the immediate vicinity of a pore, a condition not guaranteed with automated placement of the indentations. Any automated testing shall allow for review of indentations post-test to reject any distorted or unusually large indentations in accordance with 9.4.

1.4A method for converting the directly measured indentation lengths to other hardness scales, for example, HRC is described in Appendix X1.

1.5This 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.

Committee
B 09
DevelopmentNote
Supersedes ASTM B 721 (08/05)
DocumentType
Redline
Pages
8
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

AGMA 942 : A2012(R2017) METALLURGICAL SPECIFICATIONS FOR POWDER METALLURGY, PM, STEEL GEARING
ASTM B 934 : 2015 : REDLINE Standard Test Method for Effective Case Depth of Ferrous Powder Metallurgy (PM) Parts Using Microindentation Hardness Measurements

ASTM E 384 : 2017 : REDLINE Standard Test Method for Microindentation Hardness of Materials

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