ISO 9385:1990, Glass and glass-ceramics - Knoop hardness test
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Book Details
Author(s)ISO TC 172/SC 3/WG 1
ISBN / ASINB000Y2TPJ6
ISBN-13978B000Y2TPJ0
MarketplaceFrance 🇫🇷
Description ▲
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.