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1.1 This test method specifies procedures for the metallographic determination of apparent porosity in cemented carbides. Note 1The term "apparent porosity" is construed to mean all microstructures observed on a properly prepared, unetched surface, including structures resulting from uncombined carbon, non-metallic inclusions, etc., as well as true, inherent porosity.<>
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2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B243 Terminology of Powder Metallurgy
B665 Guide for Metallographic Sample Preparation of Cemented Tungsten Carbides
ICS Number Code 77.160 (Powder metallurgy)