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Author：

Sun, M. (Sun, M..) | Wang, B. (Wang, B..) | Zhang, J. (Zhang, J..) | Lu, B. (Lu, B..)

Indexed by：

Scopus EI SCOPUS

Abstract：

The　CoCrFeMnNi　high-entropy　alloy　is　considered　to　be　one　of　the　excellent　potential　material　for　metal　additive　manufacturing.　In　this　study,　Elemental　powders　of　Co,　Cr,　Fe,　Mn,　Ni　were　blended　for　bulk　samples　fabricating　to　study　microstructure,　phase　composition　and　mechanical　properties.　The　blended　powder　shows　good　printability　with　various　selective　laser　melting　(SLM)　parameters　and　the　as-built　high-entropy　alloy　(HEA)　samples　achieve　a　reliable　forming　quality.　It　has　been　shown　that　the　as-built　HEA　presents　a　single　Face　Centered　Cubic　(FCC)　matrix　and　few　residual　Cr　particles,　and　FCC　matrix　exhibits　a　typical　hierarchical　microstructure.　The　bulk　samples　were　produced　using　320　W　laser　power,　750　mm/s　scan　speed　and　0.09　mm　hatch　distance　show　the　best　strength　and　toughness　matching.　The　study　has　verifified　the　feasibility　of　using　blended　powder　to　prepare　high-quality　HEA　by　SLM.　©　2023　Elsevier　Ltd

Keyword：

High entropy alloys; In-situ alloying; Microstructure evolution; Selective laser melting

Author Community：

[ 1 ] [Sun M.]National Institute Corporation of Additive Manufacturing, Xi'an, 710300, China
[ 2 ] [Wang B.]State Key Laboratory for Manufacturing Systems Engineering, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
[ 3 ] [Zhang J.]National Institute Corporation of Additive Manufacturing, Xi'an, 710300, China
[ 4 ] [Zhang J.]State Key Laboratory for Manufacturing Systems Engineering, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
[ 5 ] [Lu B.]National Institute Corporation of Additive Manufacturing, Xi'an, 710300, China
[ 6 ] [Lu B.]State Key Laboratory for Manufacturing Systems Engineering, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China

Reprint Author's Address：

M. Sun;;National Institute Corporation of Additive Manufacturing, Xi'an, 710300, China;;email: sunmiaogood@163.com;;J. Zhang;;National Institute Corporation of Additive Manufacturing, Xi'an, 710300, China;;email: jxzhang@mail.xjtu.edu.cn;;

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Source ：

Intermetallics

ISSN： 0966-9795

Year： 2023

Volume： 156

3 . 3 9 8

JCR@2019

ESI Discipline： MATERIALS SCIENCE;

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 13

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 6

Affiliated Colleges：

国家重点实验室机械制造系统工程国家重点实验室

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