随着石油开采工程的不断进行,抽油杆的工作环境日益恶劣,频发的抽油杆失效事故严重影响了油田开发工程低耗、高效的生产,提高抽油......

为了提高铜质结晶器的耐磨性和耐蚀性,在纯铜基体上进行了激光熔覆Ni60A涂层的试验研究。对熔覆层和熔覆层与基体结合区的形貌和微......

采用等离子喷焊工艺,在45钢表面以70TiFe、Ni60A粉末为原料,制备原位生成TiC增强Ni基合金喷焊层.采用光学显微镜、X射线衍射仪(XRD......

The Ni60A and Ni60A/SiC coatings were obtained by laser cladding on 0.45% C steel. The microstructure and hardness of th......