激光-PDC钻头联合破岩机理及特性研究
黄志强,梁耀文,陈科,翟预立,雷雨薇

Research on the mechanism and characteristic of joint rock-breaking of laser-PDC drill bit
Zhiqiang HUANG,Yaowen LIANG,Ke CHEN,Yuli ZHAI,Yuwei LEI
表1 花岗岩热物理性能及力学性能参数
Table 1 Parameters of thermal physical property and mechanical property of granite
参数量值
密度2 680 kg·m-3
比热容653.2 J·kg-1·K-1
导热系数3.49 W·m-1·K-1
弹性模量38.38 GPa
热膨胀系数8×10-6 K-1
抗压强度124.53 MPa
抗拉强度12 MPa