遠心鋳造法によるアルミニウム合金基ダイヤモンド砥石の製作とその研削特性

概要

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Titanium aluminide bonded diamond wheels based on aluminum alloy were fabricated by centrifugal casting method. Main features of the wheels include lightweight aluminum alloy for the wheel-base, the titanium aluminide compounds as a metal bond matrix, and the monolithic construction-wheel. Basic and practical grinding tests were carried out to confirm the compati-bility of the aluminum alloy containing titanium aluminide phase and the grinding performance. Two different kinds of workpiece, alumina ceramics and cemented carbide, were chosen for use in these tests. The results obtained are as follows : (1) Mechanical properties, hardness, wear resistance, bending strength, of the aluminum alloy containing the titanium aluminide phase suitable for the .bond matrix of the wheel. (2) The tests proved that the trial wheel with the compound phase cut more freely, use less consumed power, and produce better finishes than conventional sintered diamond wheel with bronze-bond matrix.
公益社団法人精密工学会の論文
1988-03-05