Fabricate of High-Strength and High-Conductivity Cu-Cr-Si Alloys through ECAP-Bc and Aging Heat Treatment
Guo, Tingbiao1,2; Wang, Junjie1; Wu, Yibo1; Tai, Xiaoyang1; Jia, Zhi1,2; Ding, Yutian1,2
2020-04
Source PublicationMATERIALS
Volume13Issue:7
AbstractThe effect of equal channel angular pressing (ECAP) through the route Bc and aging treatment on the grain structure and properties of the Cu-1Cr-0.2Si alloy was investigated. Microstructure was detected by scanning electron microscopy (SEM), x-ray diffraction (XRD), and electron backscatter diffraction (EBSD) and the mechanical properties and electrical conductivity were tested. Results shown that after ECAP, accompanying the grains refined to nano-and submicron-structure, the Cr particles were gradually spread along the grain boundaries (GBs), aging treatment promoted Cr particles dispersed in the matrix. ECAP greatly increased the ultimate tensile strength (UTS) while having a small effect on the conductivity, and aging treatment increased electrical conductivity. The stable {111}<110> texture after ECAP and the lower dislocation density after aging treatment maybe the main reasons for the high conductivity of the material.
KeywordCu-1Cr-0 2Si alloy equal channel angular pressing (ECAP) electron back-scattered diffraction (EBSD) texture mechanical properties electrical conductivity
DOI10.3390/ma13071603
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51861022][51261016]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000529875600121
PublisherMDPI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64282
Collection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
Corresponding AuthorGuo, Tingbiao
Affiliation1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
2.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China
First Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials;  Coll Mat Sci & Engn
Corresponding Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials;  Coll Mat Sci & Engn
First Signature AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Recommended Citation
GB/T 7714
Guo, Tingbiao,Wang, Junjie,Wu, Yibo,et al. Fabricate of High-Strength and High-Conductivity Cu-Cr-Si Alloys through ECAP-Bc and Aging Heat Treatment[J]. MATERIALS,2020,13(7).
APA Guo, Tingbiao,Wang, Junjie,Wu, Yibo,Tai, Xiaoyang,Jia, Zhi,&Ding, Yutian.(2020).Fabricate of High-Strength and High-Conductivity Cu-Cr-Si Alloys through ECAP-Bc and Aging Heat Treatment.MATERIALS,13(7).
MLA Guo, Tingbiao,et al."Fabricate of High-Strength and High-Conductivity Cu-Cr-Si Alloys through ECAP-Bc and Aging Heat Treatment".MATERIALS 13.7(2020).
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