New type cemented carbide of ternary complex boride base prepared by reaction boronizing sintering technique has excellent physical, chemical and mechanical properties.
反应硼化烧结法制备的三元复合硼化物基新型硬质合金，具有优良的物理、化学、力学性能。
2
The resistivity and complex electromagnetic parameters of silicon carbide composite fibers containing nickel were studied.
研究了含镍碳化硅纤维的电阻率和复电磁参数。
3
Because of complex structure, traditional designing methods can not be used to do intensity analysis, stiffness analysis and stress analysis precisely for solid carbide end mill.