块体非晶复合材料超塑性成形研究现状  

Research Status on Superplastic Forming of Bulk Amorphous Composites

作　　者：袁子洲[1] 郎亚鹏 张香云[1,2] Yuan Zizhou;Lang Yapeng;Zhang Xiangyun(School of Material Science and Engineering,Lanzhou University of Technology;Wenzhou Engineering Institute of Pump&Valve,Lanzhou University of Technology)

机构地区：[1]兰州理工大学材料科学与工程学院 [2]兰州理工大学温州泵阀工程研究院

出　　处：《特种铸造及有色合金》2023年第8期1036-1040,共5页Special Casting & Nonferrous Alloys

基　　金：国家自然科学基金资助项目(52061024,52161027);浙江省自然科学基金资助项目(LQ20E010002);甘肃省自然科学基金资助项目(21JR7RA260);兰州理工大学红柳优秀青年人才支持计划。

摘　　要：块体非晶复合材料克服了非晶合金的室温脆性,保留了非晶合金的高强度优势,是一种具备优异力学性能的结构材料。研究其在过冷液相区的超塑性变形行为能够指导理论模型的建立、发展和完善,也能加快推动材料的工程实际应用。简述了块体非晶合金及其复合材料超塑性成形的研究现状,并重点总结了近年来非晶复合材料在过冷液相区的超塑性流变行为、超塑性变形时的显微结构演变及力学性能的变化。提出了目前超塑性成形非晶复合材料方面亟待解决的技术难题。Bulk amorphous composites are a kind of structural material with excellent mechanical properties,which overcome the room-temperature brittleness of amorphous alloy and retain high strength.The investigation of superplastic deformation behavior in the supercooled liquid region can not only guide the establishment,development and perfection of theoretical model,but also accelerate the engineering application of materials.The research status on superplastic forming of bulk amorphous alloys as well as its composites were briefly introduced,focusing on the superplastic rheological behavior of bulk amorphous composites in the supercooled liquid region,microstructure evolution and variation of mechanical properties during superplastic deformation.Finally,some technical problems to be solved in superplastic forming of amorphous composites were put forward.

关 键 词：块体非晶复合材料 过冷液相区 超塑性变形 显微结构 

分 类 号：TG139.8[一般工业技术—材料科学与工程] TB331[金属学及工艺—合金]