(1.中國地質(zhì)大學(武漢) 博士后流動站，武漢430074；
2. 中南工業(yè)大學資源環(huán)境與建筑工程學院， 長沙410083)
摘 要: 通過對4種胎體的鋸切試驗， 研究了胎體耐磨性同胎體高溫硬度的關(guān)系，提出了胎體高溫軟化的概念，并在測定胎體高溫軟化點的基礎(chǔ)上，分析了胎體耐磨性同胎體高溫軟化點的關(guān)系。 研究結(jié)果表明， 胎體的高溫軟化點可以反映胎體耐磨性的好壞；對已知巖石的切割試驗表明，在金剛石參數(shù)相同的條件下， 選擇成份合適的胎體可以使金剛石鋸片的平均壽命提高20%～30%。
關(guān)鍵字: 金剛石； 鋸片； 耐磨性
（1. Postdoctoral Station, Geology University of China, Wuhan 430074, P.R.China;
2. College of Resource, Environment and Civil Engineering,
Central South University of Technology, Changsha 410083, P.R.China）
Abstract:According to sawing experiments with single saw blade, the relationships of wear resistance and high temperature hardness of four matrix formulations were investigated, and the concept of matrix softening at high temperature was put forward. Based on measuring the matrix softening points at high temperatures, the relationship between wear resistance and softening point was analyzed. The experimental results show that the softening point can reflect the property of wearresistance of the matrix; choosing an appreciate matrix formulation could improve the work life of diamond saw blade by 20%～30% under the same conditions of diamond parameters and rock.
Key words: diamond； saw blade; wearresistance
