Effect of heat treatment on the microstructure and properties of CuCrZr prepared by laser powder bed fusion - Details

Author：

Chen, X. (Chen, X..) | Dong, P. (Dong, P..) | Zeng, Y. (Zeng, Y..) | Yao, H. (Yao, H..) | Chen, J. (Chen, J..)

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EI Scopus SCIE

Abstract：

In　this　paper,　CuCrZr　alloys　were　prepared　by　laser　powder　bed　fusion　technique.　Under　optimum　forming　process　conditions,　a　relative　density　of　99.7%　was　obtained　and　the　specimens　were　analyzed　for　microstructure　and　properties.　To　enhance　the　mechanical　properties　of　the　copper　alloy,　the　specimens　are　post-treated　using　both　solution　aging　and　direct　aging　heat　treatments.　The　variation　and　influence　mechanism　of　microstructure　and　mechanical　properties,　thermal　conductivity　and　electrical　conductivity　were　studied　and　analyzed.　With　direct　aging　heat　treatment　a　large　number　of　Cr　nanoprecipitates　can　be　obtained,　significantly　improving　the　properties　of　the　alloy.　The　best　synthesis　properties　obtained　at　an　aging　temperature　of　450　°C　were:　microhardness　168.7　±　3.1　HV,　ultimate　tensile　strength　481.7　±　7.6　MPa,　electrical　conductivity　73.9　±　0.9　%IACS,　thermal　conductivity　314.3　±　5.3　W/(m·K).　©　2024　Elsevier　Inc.

Keyword：

Laser powder bed fusion Mechanical properties Thermal conductivity Copper alloy Heat treatment

Author Community：

[ 1 ] [Chen X.]Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Chen X.]Beijing Engineering Research Center of 3D Printing for Digital Medical Health, Beijing, 100124, China
[ 3 ] [Chen X.]Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 4 ] [Dong P.]Capital Aerospace Machinery Corporation, Beijing, 100076, China
[ 5 ] [Zeng Y.]Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
[ 6 ] [Zeng Y.]Beijing Engineering Research Center of 3D Printing for Digital Medical Health, Beijing, 100124, China
[ 7 ] [Zeng Y.]Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 8 ] [Yao H.]Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
[ 9 ] [Yao H.]Beijing Engineering Research Center of 3D Printing for Digital Medical Health, Beijing, 100124, China
[ 10 ] [Yao H.]Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China
[ 11 ] [Chen J.]Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
[ 12 ] [Chen J.]Beijing Engineering Research Center of 3D Printing for Digital Medical Health, Beijing, 100124, China
[ 13 ] [Chen J.]Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Beijing, 100124, China

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Source ：

Materials Characterization

ISSN： 1044-5803

Year： 2024

Volume： 214

4 . 7 0 0

JCR@2022

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SCOPUS Cited Count： 4

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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