水下等离子喷涂是一种新型的热喷涂工艺方法,它既提高了热喷涂涂层的质量,又减少了热喷涂对环境的污染.在这期的焊接沙龙中,我们特邀了一位热喷涂专家王志平博士,请他谈谈水下等离子弧喷涂的发展现状和应用前景,以及这种新工艺的基本原理、独特的工艺特点及未来发展的技术关键. Underwater plasma spraying is a new type of thermal spraying process, which not only improves the quality of thermal spray coating, but also reduces the environmental pollution caused by thermal spraying. In this issue of welding salon, we invited a hot Dr. Wang Zhiping spray experts, asked him to talk about the underwater plasma arc spraying the status quo and application prospects, as well as the basic principles of this new technology, the unique characteristics of the technology and the future development of the key technology.