The results show that it is feasible to use ceramics as friction element material instead of hard alloy, or to fix the ceramics on the bit by hot press sintering process.

• 试验结果表明,用陶瓷代替硬质合金作为热机碎岩钻头的摩擦材料是可行的,利用热压烧结工艺可以将陶瓷固定在钻头上。