提出激光硬化时的激光强度分布特性和主要参数。
In this paper characteristics of field pattern distribution by laser hardening and the important parameters are presented.
切削性能试验表明，激光硬化的刀具寿命可以大大提高。
Test of cutting performance shows that its lifetime can be increased greatly.
本文研究了热固性复合材料灯丝的机内激光硬化的工艺。
On-line laser curing process of thermoset composites in filament winding is investigated.
研究结果表明：采用激光硬化处理可明显提高缸套的硬度。
The study indicates that using laser hardening can remarkably improve the hardness of cylinder.
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.
并将激光硬化V型导轨的实验结果和普通热处理结果作比较。
And the experimental results of laser hardened V-guide slide were compared with those of common heat treatment.
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.
用扫描和高压透射电子显微镜研究了灰铸铁激光硬化层微区组织形貌和精细结构。
Micromorphology and fine structure in laser hardened layer of grey cast iron have been investigated with scanning electron microscope and high-voltage transmission electron microscope.
结果显示对于等温淬火球铁，激光硬化层中马氏体片的尺寸与基体奥氏体—贝氏体中的铁索体板条尺寸相近。
The effects of laser hardening on the structure and wearability of a normalized and an austempered ductile iron were investigated.
本文用amray—1000B型扫描电镜对灰铸铁激光处理后的显微组织及耐磨特性进行了研究。激光硬化区可分为二层。
Wear resistance and microstructure of grey cast iron processed by laser have been investigated by using aSEM model AMRAY-1000B. The laser processed zones contain two layers.
其中激光相变硬化最为成熟，在工业生产中己得到广泛地应用。
Among the above laser interset change hardening is the most mature, it has been used widely in industrial production.
在生产领域，激光可以用来钻孔、切割、连接、硬化以及进行表面改性和微加工。
In the area of manufacturing, lasers are used for drilling, cutting, joining, hardening, surface modification and micromachining.
本文重点介绍了激光光谱学在癌症和动脉粥样硬化斑块诊断研究方面的应用。
This paper focus on introducing application of laser spectroscopy in the cancer and arteriosclerosis plaque diagnosis.
激光冲击硬化是通过在材料表层内形成冲击波而引起“损伤”来改变表层的组织和性能。
Laser shock hardening may change the structure and properties through forming shock wave and causing damage in the surface layer of metal.
激光相变硬化机理主要是马氏体强化和晶粒细化。
The mechanism of laser hardening is martensitic hardening and grain refining.
实测了激光相变硬化区的宽度和深度及残余应力分布。
The width and depth of laser transformation hardening zone and residual stress distribution were measured experimentally.
以提高耐磨性为主的大面积激光相变硬化必须采用光斑搭接方法，在搭接处的回火带是不可避免的。
The big area laser transformation hardening must adopt the methods of facular joint in giving priority to attrition, and the tempering zone can't be avoided in the joint.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
最后探讨了激光相变硬化的机理。
At the end, the paper discusses the mechanism of laser transformation hardening.
激光表面相变硬化技术在钢铁工业中的应用具有十分广阔的前景。
The laser phase-transformation hardening treatment technique has broad prospects in industrial application.
激光相变强化工艺参数的硬化层特性影响较大，在产品应用之前必须进行工艺验证。
The technological parameters of LTHT can affect the characteristics of hardening case, so verification must be conducted before applying the product.
提出激光加工热响应的空间温度场可视化方法并对相变硬化进行分析。
The visual analytical method of spacial temperature field has been presented for the heat response in laser machining.
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.
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。
The characteristic and mechanism of laser transformation hardening, the technics of laser surface heat treatment were introduced.
应用本系统可建立不同钢种的热物性参数库和激光相变硬化处理工艺参数库。
The data-bases of thermal physical property and laser transformation hardening processing parameter for various kinds of steels can be set up using this system.
建立激光相变硬化过程的温度场数学模型，并应用数值计算预测了相变硬化带的形状和尺寸。
The width and depth of laser transformation hardened layer was evaluated by establishing temperature field mathematical model and applying numerical calculation.
齿轮激光淬火有效硬化层深的取值到目前为止没有统一的标准，这对该项技术的推广应用十分不利。
There is not standard about the available hardened depth of laser quenching gears, which is disadvantage to its application.
推导了激光相变硬化层的残余应力公式，并对实验结果进行了分析讨论。
The formula of residual stress in laser transformation hardened case is inferred, and the experimental results are discussed.
推导了激光相变硬化层的残余应力公式，并对实验结果进行了分析讨论。
The formula of residual stress in laser transformation hardened case is inferred, and the experimental results are discussed.
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