详细介绍了该工艺推广应用于焊接和金属表面处理方面的试验研究情况 ,给出了喷焊、搭接接头和角形接头试验中所采用的工艺参数及试验结果。结果表明 ,可获得高质量的涂层和焊接接头。与其它焊接方法相比 ,等离子粉末工艺生产率更高 ,制作出的高质量接头无需再进行机加工 The experimental research on the application of the technology in welding and metal surface treatment is introduced in detail. The process parameters and test results of spray welding, lap joint and angle joint test are given. The results show that high quality coatings and welded joints are available. Compared to other welding methods, the plasma powder process is more productive and produces high-quality joints without the need for further machining