Micro/nanostructure high strength and high conductivity CuCrZr alloy prepared through equal channel angular pressing and aging treatment

doi:10.1016/j.mtcomm.2022.104381

	Micro/nanostructure high strength and high conductivity CuCrZr alloy prepared through equal channel angular pressing and aging treatment
	Guo, Tingbiao 1,2; Gao, Yang 2; Tai, Xiaoyang 2; Wang, Junjie 2; Feng, Rui 2; Qian, Danchen 2; Ding, Yutian 1,2; Jia, Zhi 1,2
刊名	Materials Today Communications
	2022-12-01
卷号	33
关键词	Copper alloys Crystal structure Grain boundaries Grain size and shape High strength alloys Precipitation (chemical) Scanning electron microscopy Ternary alloys Textures Transmission electron microscopy Zircaloy Ageing treatments Comprehensive properties Cu-Cr-Zr alloys Electrical conductivity High strength and high conductivities Micronanostructure Precipitated phase Precipitation phase Severe plastic deformations Texture characteristics
DOI	10.1016/j.mtcomm.2022.104381
英文摘要	Severe plastic deformation (SPD) and aging treatment seriously affect the microstructure, precipitation phase distribute then seriously affect comprehensive properties of CuCrZr alloy. The microstructure, orientation, texture characteristics, and precipitated phase structure after equal channel angular pressing (ECAP) by route C deformation and aging treatment were investigated by scanning electron microscope (SEM), X-ray diffraction (XRD), electron back-scattered diffraction (EBSD) and transmission electron microscope (TEM). The results show that, after ECAP the initial equiaxial crystal gradually transformed into fibrous structure along the extrusion direction, with the increasing strain, the texture undergoes a strong undulation, continuous twinning occurs within some oriented grains, with an initial {112} copper texture that transformed to a stronger {110} Goss texture. Aging treatment can intensify discontinuity distribution of nanoscale precipitation along grain boundaries; After 4 passes and aging at 450 for 4 h the strength, hardness and conductivity reached to 577.2 MPa, 184.5Hv and 78.5%IACS, respectively, and showed a continuous increasing trend. © 2022 Elsevier Ltd
语种	英语
出版者	Elsevier Ltd
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/159715]
专题	材料科学与工程学院省部共建有色金属先进加工与再利用国家重点实验室
作者单位	1.School of Materials Science and Engineering, Lanzhou University of Technology, Gansu, Lanzhou; 730050, China 2.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Gansu, Lanzhou; 730050, China;
推荐引用方式 GB/T 7714	Guo, Tingbiao,Gao, Yang,Tai, Xiaoyang,et al. Micro/nanostructure high strength and high conductivity CuCrZr alloy prepared through equal channel angular pressing and aging treatment[J]. Materials Today Communications,2022,33.
APA	Guo, Tingbiao.,Gao, Yang.,Tai, Xiaoyang.,Wang, Junjie.,Feng, Rui.,...&Jia, Zhi.(2022).Micro/nanostructure high strength and high conductivity CuCrZr alloy prepared through equal channel angular pressing and aging treatment.Materials Today Communications,33.
MLA	Guo, Tingbiao,et al."Micro/nanostructure high strength and high conductivity CuCrZr alloy prepared through equal channel angular pressing and aging treatment".Materials Today Communications 33(2022).