金属酸化物をコーティングする接着用表面処理法の研究 : 第1報貴金属合金に対するCuターゲットの効果について

概要

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Ion sputtering is a phenomenon in which ions or other high energy particles strike at a target electrode causing emission of atoms from the electrode. It takes place in a grow discharge in a relatively low vacuum chamber. We studied the application of this phenomenon to surface treatment of dental precious alloys for adhesion. Nine pure metals were examined the aptitude as a target which was the source of metal oxide supply. As the result of adhesion endurance test, Cu target showed favorable adhesive strength, and following studies were conducted applying Cu target. In the next study to decide the optimum ion coating time, best result was obtained by 10 minutes treatment. Type IV and Au-Ag-Pd alloys ion coated for 10 minutes with Cu target showed excellent adhesive durability in endurance test and after subjection to thermal cycling of 50,000times, adhesive strength of above 250 kgf/cm^2 were maintained.
日本補綴歯科学会の論文
1988-02-01