孕镶金刚石钻头钝化与锐化机制探讨  

Study on the Blunting and sharpening Mechanism of Impregnated Diamond Bit

作　　者：王殿江[1] 

机构地区：[1]中南工业大学

出　　处：《地质与勘探》1995年第6期58-61,共4页Geology and Exploration

摘　　要：系统论述了孕镶金刚石钻头钝化和锐化的过程、机制、实质原因和条件，首次提出了暂时钝化和自行锐化的成层分布、趋平磨损、连锁反应和硬磨粒磨损等四方面机制，并将复杂的自行锐化条件归结为简明的锐化条件不等式δ≥δ＿０。The present paper deals systematically with the blunting and sharpening proces,mechanism, material reason and conditionsof impregnated diamond bit. The four aspects of mechanism of temporary blunting and self-sharpening,i.e. distribution in layer,wear tend to flat, chain reaction and hard abrasive’s abrasion have been put forward for the first time,and the complicated condi-tions for the self-sharpening was sum up into the self-sharpening inequality δ≥δ_0.

关 键 词：孕镶金刚石钻头 钝化 锐化 金刚石钻头 

分 类 号：P634.41[天文地球—地质矿产勘探]