Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM E384-08ae1

Standard Test Method for Microindentation Hardness of Materials

Standard Test Method for Microindentation Hardness of Materials E0384-08AE01 ASTM|E0384-08AE01|en-US Standard Test Method for Microindentation Hardness of Materials Standard new BOS Vol. 03.01 Committee E04
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Significance and Use

Hardness tests have been found to be very useful for materials evaluation, quality control of manufacturing processes and research and development efforts. Hardness, although empirical in nature, can be correlated to tensile strength for many metals, and is an indicator of wear resistance and ductility.

Microindentation tests extend hardness testing to materials too thin or too small for macroindentation tests. Microindentation tests allow specific phases or constituents and regions or gradients too small for macroindentation testing to be evaluated.

Because the microindentation hardness will reveal hardness variations that may exist within a material, a single test value may not be representative of the bulk hardness.

Scope

1.1 This test method covers determination of the microindentation hardness of materials, the verification of microindentation hardness testing machines, and the calibration of standardized test blocks.

1.2 This test method covers microindentation tests made with Knoop and Vickers indenters under test forces in the range from 9.8 × 10-3 to 9.8 N ( 1 to 1000 gf ).

1.3 This test method includes an analysis of the possible sources of errors that can occur during microindentation testing and how these factors affect the accuracy, repeatability, and reproducibility of test results.

Note 1—While Committee E04 is primarily concerned with metals, the test procedures described are applicable to other materials.

1.4 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.

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Details
Book of Standards Volume: 03.01
Developed by Subcommittee: E04.05
Pages: 33
DOI: 10.1520/E0384-08AE01
ICS Code: 19.060