ASTM B657 - 11 Guide for Metallographic Identification of Microstructure in Cemented Carbides

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Source: ASTM International

The microstructure of a cemented carbide affects the material’mechanical and physical properties. This guide is not intended to be used as a specification for carbide grades. Producers and users may use the microstructural information as a guide in developing their own specifications.

1. Scope

1.1 This test method covers apparatus and procedures for the metallographic determination of microstructures in cemented tungsten carbides.

1.2 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. Precautions applying to use of hazardous laboratory chemicals should be observed for chemicals specified in Table 1.

2. Referenced Documents (purchase separately)

ASTM Standards
B665 Guide for Metallographic Sample Preparation of Cemented Tungsten Carbides

ISO Standard
ISO4499 Hardmetals--Metallographic Determination of Microstructure

Index Terms

cemented carbides; hardmetals; microstructure; powder metallurgy;

ICS Code

ICS Number Code 77.160 (Powder metallurgy)

DOI: 10.1520/B0657-11

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