这也意味著它们在硬度、强度、能量吸收或传导能力方面比制造它们的原材料要差。
This means they are less stiff, strong, energy absorptive or conductive than the bulk of the raw materials that they are made out of.
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 energy absorptivity and hardness of knife surface are obviously increased using graphite coating during laser thermal treatment for high speed steel knife.
结果表明，堆焊工艺中的能量输入、堆焊层数以及冷却方式对堆焊层的硬度、 耐磨性及堆焊层结合性能有明显的影响。
The results show that energy input, surfacing layers′ numbers and types of cooling in the arc surfacing have a significant influence on overlays′ hardness, wearability and binding abilities.
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