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Article | REF: B7050 V1

Abrasives

Author: Jean-Louis DOUZET

Publication date: August 10, 1990

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1. Abrasive properties

An abrasive is a hard crystallized body capable, by mechanical action, of cutting chips from a softer body. It is characterized by its mechanical properties, physico-chemical stability, shape and dimensions.

1.1 Mechanical properties

In the case of abrasion work, hardness and fracture resistance are of particular interest.

  • Hardness: this concept is characterized by the ability of one body to scratch another. Two scales are used to classify abrasives according to their hardness (table 1 ).

    • The extended Mohs scale ranks various natural and manufactured minerals and abrasives in a numerical sequence from 1 to...

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