AZ91D镁合金半固态加工技术研究进展

摘要

半固态加工技术包括半固态浆料或坯料的制备和成形工艺,已经广泛应用于镁合金的加工.AZ91D是镁合金半固态研究及工业应用中最成功的一种镁合金,文中介绍了半固态加工技术及其特点,综述了近年来AZ91D镁合金半固态加工技术的研究现状与进展,包括半固态镁合金的微观组织、成形工艺及其成形件的性能,指出了镁合金半固态加工技术存在的问题,并对发展前景和发展要点进行了展望.%The semi-solid processing technology, comprised of the preparation and forming technology of semi-solid slurry or billet, has been widely used to process magnesium alloy. AZ91D is one of the most successful magnesium alloys in research and industrial applications. In this paper, the semi-solid processing technology and its characteristics were introduced and the latest status and research progress for processing technology of semi-solid AZ91D magnesium alloy were overviewed, including the microstructure, forming process and the mechanical property of semi-solid magnesium alloy. Meanwhile, the developing prospect and gist along with the existing problem of semi-solid processing technology were pointed out and discussed.