等径转角挤压制备细晶材料研究进展

Research Progress of Preparation for Fine-grained Materials by Equal Channel Angular Extrusion

综述了等径转角挤压制备细晶材料的加工工艺方法。同时,介绍了等径转角挤压的技术工艺原理、变形特点与变形过程,目前国内外研究进展情况等。

The research progress of preparation for fine-grained materials by equal channel angular extrusion was summarized in this paper. The processes principle, deformation characteristic, and deformation process of the equal channel angular extrusion technology were introduced. And the current progress of domestic and oversea research was discussed.