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- Along the cladding direction, plastic tension strain appears which is the main cause of cladding layer cracking. 熔覆层材料沿熔覆方向发生的塑性拉伸变形,是造成熔覆层开裂的主要原因。
- cladding layer cracking 熔覆裂纹
- The Characteristics of laser cladding on nodulated cast iron,the crack and performances of cladding layer have been investigated. 对球墨铸铁激光涂敷特点、涂层裂纹倾向及其对涂层性能的影响等进行了研究。
- Through adding a stainless steel net in clad layert,he stress and crack of clad layer can be reduced. 在熔覆层中加入不锈钢网,降低了熔覆层中的应力值,控制了熔覆层中的裂纹。
- The effect of CeO2 on the properties of Ni/WC cladding layer[J]. 引用该论文 杜利平;梁二军;陈长青;雒江涛.
- Meanwhile,a principle to choose the cladding materials and new technology to decredse the crack trend in the laser cladding layer on nodulated cast iron substrate was presented. 探讨了球墨铸铁激光涂层材料选择原则．并提出了防止涂层裂纹的激光涂敷新工艺。
- Cladding layer cracks 熔覆层裂纹
- Research Status of Cracking in Laser Cladding Layer 激光熔覆层开裂问题的研究现状
- The effect of CeO 2 on the macro quality,microstructure and micro hardness of Ni/WC cladding layer has been studied. 研究了不同激光功率条件下不同含量的氧化铈对镍基碳化钨金属陶瓷熔覆层宏观质量、显微组织及熔覆层横截面硬度的影响。
- The preparation of ternary boride hard alloy cladding layer on steel substrate is studied. 研究采用铸渗法制备三元硼化物硬质合金覆层钢基材料。
- The result of abrasion-resistant experiment shows that the laser cladding layer is satisfactory. 磨损试验表明,液压泵缸体配流面的激光熔覆层满足使用要求。
- The outer cladding layer confines the expanded beam within the core and inner cladding layer. 外包层把扩展光束限制在纤心和内包层里。
- Then,for surface cladding layer,advances in the plasma and electro-chemistry methods are reviewed. 表面敷层方面介绍了铸造铝合金的等离子喷涂、电化学方法的研究现状;
- The results show that the microstructure of Ni21+20%WC+0.5%CeO2 cladding layer is fine,and the abrasive-wearproperty under high temperature is best. 结果表明;Ni21+20%25WC+0.;5%25CeO2熔覆层组织细小;高温干摩擦磨损性能最好。
- The results show that the laser cladding layer has dense microstructure, and metallurgically combines with CrNiMo substrate. 结果表明，所制得熔覆层组织均一、致密，与基体形成良好的冶金结合。
- The modulator fabricated has excellent performance by the optimization on the thickness of buried and upper cladding layer in SOI waveguide. 通过合理选择SOI光波导的埋层和包层的厚度，使制作出的调制器有良好的综合性能。
- The results show that there are higher grain grade and hardness,lower dilution and better performance of resistance to abrasion,wear and anti-erosion in the laser cladding layer. 激光熔覆层中的组织晶粒度和硬度高,稀释率低,抗摩擦磨损和抗腐蚀性能好;
- Because welding near the base layer and clad layer surface belongs to heterogeneous materials welding,transition layer is needed. 基层和复层接口附近的焊接属于异种金属的焊接，大多数情况下需要焊接过渡层。
- The results show that with the increase of the powder feeding rate, the cladding layer gets thicker, its structure finer and its hardness changes slightly only. 实验结果表明,随粉末送给率的增加,熔覆层厚度增加,熔覆层组织细化,熔覆层的硬度变化不大。
- At last, laser cladding experiment is made in different technic condition, good melt-solidifying layer was obtained, and these laser cladding layer tissue were studied. 最后,在不同的工艺条件下进行了激光熔覆试验,获得了良好的熔覆层,并且对熔凝层的金相组织进行了分析。
