高能脉冲电流对金属材料的作用机理  

Progress on mechanisms study of high energy electropulsing on metals

作　　者：陆子川[1] 姜风春[1] 侯红亮[2] 刘郢[3] 程玉洁[1] 果春焕[1] 

机构地区：[1]哈尔滨工程大学材料科学与化学工程学院,哈尔滨150001 [2]北京航空制造工程研究所,北京100024 [3]南京大学现代工程和应用科学学院,南京210093

出　　处：《塑性工程学报》2015年第4期117-127,共11页Journal of Plasticity Engineering

基　　金：航空基金资助项目(201311P6001);国防基础科研基金资助项目(B2420133004)

摘　　要：高能脉冲电流技术因其具有加热速度快、作用时间短、节能等特点,在裂纹愈合、再结晶和相转变等方面均具有较好的效果,是传统热处理无法比拟的。因此,在金属材料的改性领域获得了广泛应用。文章概述了国内外高能脉冲电流技术的发展状况,着重阐述了脉冲电流在金属材料裂纹愈合、再结晶和相转变等方面的作用机理,并提出了目前脉冲电流改性技术发展的不足及未来的发展趋势。Due to high heating speed, short reacting time and energy saving, high energy eleetropulsing technique has some significant effects on crack healing, reerystallization and phase transformation, and these advantages were not found in conventional heating treatment methods. Therefore, the high energy eleetropulsing technique has been widely employed in modified properties of metallurgical materials. Hence, the present review paper analyzes and summarizes the developing states of the research pro- gress on electropulsing techniques all over the world, focusing on its mechanism on the crack healing, recrystallization and phase transformation. This review paper also points out some shortcomings and prospects of high energy electroplusing technique from different research directions.

关 键 词：金属材料 高能脉冲电流 裂纹愈合 再结晶 相转变 

分 类 号：TG161[金属学及工艺—热处理]