文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术，包括等离子喷涂层和扩散渗层在内；
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
在该工具内面的特殊的经硬化处理的金属割刀与落鱼的外表面接合。
Special hardened metal-cutters on the inside of the tool engage on the external surfaces of the fish.
认为激光硬化处理能够有效地改善材料的表面硬度和耐磨性。
The laser hardening material can effectively improve the surface hardness and wear resistance.
结果表明，表面熔化处理后的硬化层的硬度梯度平缓，耐磨性高。
The results showed that the hardening layer has better hardness gradient and high wear resistance.
结果表明，激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性。
The results show, surface treated by laser hardening can improve the surface hardness and wear resistance.
介绍采用热化学共渗法对硬质合金拉丝模芯进行超硬化处理，以提高其表面硬度的方法。
The article introduces the method of superhardening treating hard alloy drawing die core with thermochemistry copermeation method so as to improve its surface hardness.
利用激光熔凝硬化技术对灰口铸铁表面进行了硬化处理。
Gray cast iron was treated by means of laser melt hardening technology.
用渗铝-内氧化技术对纯铜进行了表面弥散硬化处理。
The al concentration distribution in aluminized layer, microstructure and some properties of surface hardening layer were studied.
设备所有表面都经过硬化处理，设置数据精确。
通过对氮化和表面渗碳硬化齿轮大量的试验研究，设法揭示对齿轮进行氮化处理的可能性和局限性。
By means of extensive tests on nitrided and case hardened gears, it was attempted to discover the possibilities and the limits of nitriding for gears.
在平面磨床上对非淬硬钢进行了磨削硬化处理，研究了磨削方式和冷却条件对表面硬化层的影响。
The surface hardening of 40cr steel was performed on a surface grinder by transverse feed grinding; the changing trends of microstructure and wear behavior of surface hardened layer were researched.
在平面磨床上对非淬硬钢进行了磨削硬化处理，研究了磨削方式和冷却条件对表面硬化层的影响。
The surface hardening of 40cr steel was performed on a surface grinder by transverse feed grinding; the changing trends of microstructure and wear behavior of surface hardened layer were researched.
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