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- The expressions of the relations among laser power, scanning speed, and harden layer, peak temperature are obtained. 通过分析激光工艺与硬化层深度和表面峰值温度的关系，确定出激光功率和扫描速度对硬化层深度和表面峰值温度的经验关系表达式。
- The hardened layer will keep compression stress.This is beneficial to the enhancement of gea... 齿面可获得较大的残余压应力,有利于提高齿轮疲劳寿命。
- The wearability of the harden layer is well.The corrosion resistance of the harden layer is improved obviously. 经检测，硬化层具有较高的硬度及合理的硬度梯度，具有优异的耐磨性及良好的耐蚀性。
- The plane in the system design process combines the results of research, the availability of high-performance engine cylinder liner hardened layer optimization of treatment mode. 该专机在系统设计中融合了工艺研究的成果，可获得发动机缸套高性能硬化层的优化处理模式。
- It is great that the influence of laser beam intensity distribution and its shape on laser hardened layer performance.Rectangle facula or wide-band facula are applied widely. 激光束的光强分布以及光斑形状对激光热处理硬化层性能影响极大，一般要求光强均布的矩形光斑或宽带光斑;
- Without obviously declining gradient, the hardness distribution in the hardened layer produced by laser quenching is rather different from that by conventional quenching. 激光淬火硬化层的硬度分布，无明显的硬度梯度，这与常规淬火方法的结果不太一样。
- The results show that the laser hardened overlay posseses high hardness and a little long contact fatigue persistance than that of hardened layer by high frequnce. 并进行了硬度及接触疲劳试验.;试验结果表明:堆焊加激光强化层的硬度高;其接触疲劳性能比原材料高频淬火略有提高;
- The hardness distributing rule along the hardened layer depth direction is that the microhardness change tendency is from high to low from the surface to inner. 硬化层硬度沿层深的分布是从表及里由高而低，在过渡区下降缓慢；
- With the increase of the operating current, the width and depth of remelt-solidified layer and hardened layer increase, the hardness firstly goes up and then goes down. 工作电流增大，熔凝层和硬化层的深度、宽度增加，硬化层的最大硬度值先升后降；
- The effect of processing parameters such as carbon potential, carbonizing temperature, quenching temperature on the rules of effective harden layer, microstructure, interior rigidity, distribution of hardness and carbon concentration were studied. 研究了20CrMoH 汽车齿轮用钢在连续渗碳生产线不同区域渗碳过程的碳势、渗碳温度、淬火温度等工艺参数对有效硬化层、显微组织、表面硬度、心部硬度以及碳浓度分布和渗碳层硬度分布的影响规律。
- This paper demonstrates residual stress of induction quench parts and personal views about stress distribution of flange corner heat treatment ,truck half axle material and depth of hardened layer. 论述了感应淬火零件的残余应力形态,并对载货车半轴的材料、硬化层深度及法兰圆角淬火层分布提出了个人见解。
- The hardness distribution without obviously declining gradient in one range of the hardened layer produced by plasma quenching is rather different from that by conventional quenching. 等离子表面淬火硬化层的硬度分布,在某一区域内无明显的硬度梯度,这与常规淬火方法的结果不太一样。
- Skin protects itself by building up corns and calluses -- thick, hardened layers of tissue. 皮肤要保护自己，于是长了鸡眼和老茧，那些是硬化了的皮肤组织。
- In this paper,overlaying and laser hardening technology of torsion bar end are studied.Structure of the hardened layer are analyzed with microscope. 本文对某重载车辆扭力轴轴头的堆焊修复加激光强化工艺进行了试验研究.;优选了激光强化的工艺参数;
- Life in the camp had hardened him considerably. 军营生活使他变得坚强多了。
- Ferrous metals, non-ferrous metals, IC thin sections, coatings, ply-metals; Glass, ceramics, agate, precious stones;Hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers. 黑色金属、有色金属、IC薄片、层压金属、表面涂层；玻璃、陶瓷、玛瑙、宝石等；炭化层和淬火硬化层的深度及梯度的硬度测试。
- The results show that the microstucture of hardening layer lousiest of acicular marten site,retained austenite,graphite in fake and boride. 采用等离子束对硼铸铁进行了表面强化,对等离子强化层的显微组织、显微硬度和耐磨性进行了研究。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- In order to improve surface quality of the electrospark hardening layer, JDQ 1 type equipment of pulse electrospark hardening was devised. 为了改善电火花强化层的表面质量，研制了JDQ-1型脉冲电火花强化机。
- The behavior of graphite phase in the laser hardening layer of gray iron is deeply studied by means of optical microscope and electron probe. 利用光学显微镜、电子探针等微观分析手段对灰口铸铁激光硬化层中石墨相行为进行了较为深入的分析。
