Ceramic comprising an orthorhombic aluminum magnesium boride of formula: almgb14:x, wherein x is a doping agent present in from 5 to 30 weight % selected from group iii, iv, and v elements; extreme hardness; wear resistant coatings
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2000-08-08
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Abstract
A ceramic material which is an orthorhombic boride of the general formula: AlMgB14 :X, with X being a doping agent. The ceramic is a superabrasive, and in most instances provides a hardness of 40 GPa or greater.