The energy absorptivity and hardness of knife surface are obviously increased using graphite coating during laser thermal treatment for high speed steel knife.
采用石墨涂层，对高速钢刀片进行了激光热处理，显著地提高了刀片表面的能量吸收率和硬度。
The effect of formula and firing system has been probed on the main characteristics of product, such as thermal conductivity, water absorptivity, density and strength.
探讨了原料配方、 烧成制度对制品的主要性能，如： 导热系数、 吸水率、 密度和强度的影响。
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