ISO-9385 › Glass and glass-ceramics - Knoop hardness test

ISO-9385 - 1ST EDITION - CURRENT


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This international Standard describes the method of test for determining the Knoop hardness number of glass and glass-ceramics.

The Knoop hardness number characterizes the behaviour of glass and glass-ceramics concerning a permanent change of the surface after indentation with a solid material.

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81.040.01 (Glass in general)

81.060.01 (Ceramics in general)

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Document Number

ISO 9385:1990

Revision Level

1ST EDITION

Status

Current

Publication Date

May 1, 1990

Committee Number

ISO TC 172/SC 3/WG 1