surface hardening

Innovative laser processing ( surface hardening, surface alloying and cladding )

激光加工 ( 表面硬化 、 表面合金化以及涂覆 )

Microstructure Characteristic of Hypoeutectic White Cast Iron by Laser Surface Hardening

亚共晶白口铸铁激光表面强化的微观组织特征

A New Technology of Surface Hardening for Metals and Non-Metals-Glow Ion Plating Film

金属和非金属表面强化处理的新技术&辉光离子镀膜

Study of Technological Test on the Plasma Arc Surface Hardening Technology

等离子弧表面淬火工艺试验研究

THE STUDY OF SURFACE HARDENING OF STEEL TOOLS AND MACHINE PARTS BY MEANS OF HIGH TEMPERATURE SOLAR FURNACE Suitable graphitization apparatus of carbon fiber includes tube electric resistance furnace, induction furnace, solar furnace, and plasma technology.

利用高温太阳炉对钢铁工具和零件进行表面硬化的研究着重介绍了碳纤维石墨化设备的研究与进展，并对其发展进行了展望，主要内容包括电阻炉、感应炉、太阳炉和等离子体技术。

Selection of Stainless Steel Using for Network Valve Clack and Technology of Surface Hardening

不锈钢网状阀片的选材及表面强化工艺

The frequency induction hardening can't raise the surface microhardness of the cold precision forging spur gear.

高频感应淬火不能达到硬化冷精锻直齿圆柱齿轮齿面的目的.

Finally through the variable grinding depth experiment, the contour analysis result is verified. The surface of the workpiece contour precision and the depth of hardening layer uniformity after processing are all improved.

最后通过变切深磨削轮廓实验验证了分析结果，加工后工件的表面轮廓平面度及淬硬层深度均匀性均得到改善。

The author sum up experiences about laser surface hardening process of many years.

总结了该厂多年激光表面硬化处理经验.

Based on the thermal effects, induction current can heat the surface of the work piece, make the surface heat fast and then refrigerate quickly. This modern industrial quenching technology is called induction heating surface hardening.

感应加热表面淬火是利用感应电流通过工件产生热效应，使工件表面局部加热继之快速冷却的现代工业淬火技术。

The reasons causing distortion of machine tool slide guide during surface hardening was analyzed and the way to reduce distortion was offered and the good result is obtained.

对机床导轨表面淬火畸变的原因进行了分析，提出了控制机床导轨表面淬火畸变的措施，应用效果明显。

Surface Hardening of Adjusting Screw Tip End-of-Period Adjustment

调整螺钉端部表面淬火

Microstructure and tribological properties of two Febased sintered materials after widebond laser surface hardening were studied.

研究了两种不同成分铁基烧结材料激光扫描后的显微组织和摩擦学特性.

This paper introduces a floating device that used for Surface frequency induction hardening of longer guideway.

本文介绍一种用于长导轨表面中频淬火的浮动装置,它能较好地解决浮动、电效率、冷却三问题.

The Way to Reduce Distortion of Machine Tool Slide Guide During Surface Hardening

减少机床导轨表面淬火畸变的措施

The progressive deterioration of the pathological features is knee cartilage change of the joint margins and subchondral bone reactive hyperplasia of the articular surface hardening, and other joints surrounding tissue of compensatory response.

其病理特点为膝关节软骨发生进行性退变、关节边缘以及软骨下骨质出现反应性增生，关节面硬化以及其他关节周边组织出现代偿性反应~[1]。

The experimental results proved that ( 1) there is an additional cyclic strain hardening effect caused by non-proportional loading, and ( 2) the relative orientation between maximum shear plane and free surface plays significant role on fatigue life.

非比例加载引起的附加循环硬化；（2）最大剪切平面与自由表面相对取向对疲劳寿命的影响；

The microstructure and properties of WC-Ni alloy composite coating manufactured by "Powdered Alloy Sheet" and corresponding steel surface hardening technology were studied by XRD, SEM, wear-resistance or abrasion resistance test etc.

用X射线衍射仪、扫描电镜、摩擦磨损试验等，研究了粉末冶金金属布及其钢表面改性技术在钢表面制备的WC－Ni系合金复合涂层的微观组织和性能。

Carrying out and implementing the new standard will promote development of surface hardening effects, quantitative inspection of metallic quality control and heat treatment, assessment of brittle transformation.

新标准的贯彻和实施，将会在表面强化效应的研究、冶金质量及热处理工艺缺陷的定量检验、材料的韧脆转变的评估等方面取得新进展。

Hardening Holding Time and Hardness Distribution of Hardened Layer by Plasma Surface Quenching

等离子表面淬火的淬硬保持时间与硬化层的硬度分布

By analyzing temperature field, the forming process of the hardened layer was studied. It was pointed out that hardening holding time is an important factor in the course of forming hardened layer by plasma surface quenching which belongs to short time quenching.

通过分析温度场，对等离子表面淬火相变硬化层的形成过程进行了研究，提出等离子表面淬火属于短时淬火，在硬化层的形成过程中，淬硬保持时间是重要的影响因素。