搅拌摩擦点焊技术研究现状

摘要

The classification and the principle of the friction stir spot welding are reviewed in the present paper. The research status and application for transportation and aerospace of friction stir spot welding around the world are introduced. The significance of friction stir spot welding as a promising technology for expanding the application of aluminum alloy structure, promoting the development of weight lightening of car body and increasing the lifting capacity of aerospace vehicle is pointed out.%综述了搅拌摩擦点焊的分类和原理，介绍了国内外研究现状及其在交通运输、航空航天等领域的应用，指出搅拌摩擦点焊对扩大铝合金结构的应用，促进车体质量轻化、提高航空航天运载能力等具有重要意义。