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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 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 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。
- 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。
- The Al concentration distribution in aluminized layer,microstructure and some properties of surface hardening layer were studied. 研究了渗层的铝浓度分布,硬化层的显微特性及有关性能。
- The experiments show that the remelting hardening layer consists of melting zone, quenching zone and heat affected zone. 实验表明:熔凝硬化层由熔化区、相变硬化区和热影响区组成;
- The hardening gradient and the character of abrasion in hardening layer of hypoeutectoid steel with two kinds of matrixes that was treated by laser beam have been studied. 研究了两种基体的亚共析钢经激光处理后,其硬化层的硬度梯度及其磨损特性。
- 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。
- Meanwhile, the fracture was accelerated due to the uneven surface hardness and the unreasonable distribution of the hardening layer on the crankshaft, and the bad lubrication condition in service. 同时轴左颈表面硬度不均匀、淬硬层分布不甚合理,工作过程中润滑条件差,加速了曲轴的断裂。
- Effects of plasma beam surface hardening parameters on microstructure and hardness distribution of the hardening layer of boron cast iron at junction of two hardening traces were investigated. 研究了等离子束表面硬化工艺参数对硼铸铁硬化轨迹交叉点处硬化层的组织与硬度分布的影响。
- This paper generalizes the present conditions on the technologies of complex boriding within recent years and discusses the structure and properties of hardening layer in different temperatures. 综述了近年来复合渗硼工艺的现状,论述了在不同温度下复合渗硼的组织结构及性能,介绍了等离子复合渗硼和激光复合渗硼,对中温复合渗硼进行了分析,重点介绍了低温渗硼。
- 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;
- 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。
- Harden up a little, we need more speed. 把帆索拉紧一点,我们需要加快速度。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- 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。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- 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。
