In the extensive field of testing materials, microhardness testing finds important and wide applications mainly in the investigation of small discrete grains, inclusions, and other fine textures as well as in the examination of thin layers. Microhardness testers, p. 82, are therefore widely used in the examination of raw materials as well as for testing semi-finished and finished products. Thus the application of microhardness testing methods is well known in the fine tools and instruments industries, glass works, cement industry, slag smelting, and in several other industries. The methods are also widely applied in metallography, mineralogy, and allied fields.
KeywordsPolished Surface Test Load Microhardness Tester Opaque Mineral VICKERS Indentation
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