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The effects of laser transformation hardening (LTH) on the fretting wear of titanium alloy are investigated. 研究了激光淬火对钛合金微动磨损性能的影响。
The characteristic and mechanism of laser transformation hardening , the technics of laser surface heat treatment were introduced. 主要介绍了激光相变硬化的特点及强化机理、激光表面相变硬化工艺。
This paper investigates the effects of laser transformation hardening (LTH) on the fretting wear of TC11 titanium alloy. 研究了激光淬火对钛合金TC11微动磨损性能的影响。
In the process of laser phase transform hardening or laser surface melting, light absorbing coatings shows importance for improving laser absorbancy. 在激光相变硬化或熔凝处理中，吸光涂料在提高光能利用率方面起到了重要作用。
The structure and performance of steel materials is analyzed after laser quenching , and the research situation of laser transformation hardening in the field of materials science in future. 分析了钢铁材料激光相变硬化后的组织与性能,及近年来激光相变硬化技术在材料科学领域的研究状况。
The structure and performance of steel materials is analyzed after laser quenching, and the research situation of laser transformation hardening in the field of materials science in future. 分析了钢铁材料激光相变硬化后的组织与性能，及近年来激光相变硬化技术在材料科学领域的研究状况。
multi-time laser transformation hardening 多次激光相变硬化
pulsed laser transformation hardening 脉冲激光相变强化
laser phase transformation hardening 激光相变硬化
Laser transformation hardening( Laser quenching) 激光相变硬化（激光淬火）
The experimental results show that the microstructure is consisted of melt zone,partical melting zone,transformation hardened zone and base zone. 结果表明：激光处理试样由熔化区、部分熔化区、相变硬化区、基体四部分组成，熔凝层晶粒明显细化。
Research on Laser Surface Transformation Hardening for Chain Wheel 链轮的激光表面淬火工艺研究
Laser Phase Transformation Hardening( Laser Quenching) 激光相变硬化（激光淬火）
A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
So we find that hardening operation is made up of heating and quenching. 因此我们发现淬火工序包括加热和淬硬两个步骤。
Research on Laser Surface Transformation Hardening for Mould-cutting Roller 模切辊激光表面强化研究
Three. They are hardening, temper and anneal. 三种。它们是淬火、回火和退火。
The transformation of that project has been finished. 那个项目的改造已经完成。
Three:they are hardening,temper and anneal. 三个过程：它们是淬火、回火和退火。
Opinion seems to be hardening against the invasion. 反对这次入侵的意见似乎愈益强烈了。