Tailoring the tribology property and corrosion resistance of selective laser melted CoCrMo alloys by varying copper content - Details

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Abstract：

In　this　study,　the　cobalt-chromium-molybdenum　(CoCrMo)　alloys　containing　varying　Cu　contents　(CCM-xCu,　x　=　0,　2,　3,　4　wt%)　were　fabricated　via　the　selected　laser　melting　(SLM)　method.　The　influences　of　Cu　content　on　tribological　performance　and　corrosion　resistance　were　investigated.　The　2　and　3　wt%　Cu　contributed　to　inhibiting　the　generation　of　the　HCP　phase,　whereas　the　inhibitory　effect　was　quite　limited　at　4　wt%　Cu.　Notably,　4　wt%　Cu　led　to　the　formation　of　Cr-enrich　precipitates　in　the　matrix,　which　was　partially　coherent　with　the　Cu　nanoparticle.　The　corrosion　resistance　of　the　CCM　alloy　was　enhanced　as　the　2　and　3　wt%　Cu　added　into　the　CCM　alloy,　contrarily,　which　deteriorated　when　Cu　content　reached　4　wt%.　For　the　CCM-2Cu　and　CCM-3Cu,　Cr-precipitates　played　a　major　role　in　enhancing　the　wear　resistance,　while　the　Cu　lubrication　effect　working　in　coordination　with　Cr-precipitates　determined　that　for　the　CCM-4Cu.　This　study　was　expected　to　achieve　better　tribology　and　corrosion　properties　of　SLM-produced　CCM　alloys　by　tailoring　microstructure　through　the　Cu　element.　©　2023　The　Author(s)

Keyword：

CoCrMo Corrosion property SLM Wear

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[ 1 ] [Gan Y.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 2 ] [Gan Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 3 ] [Gan Y.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 4 ] [Zhou M.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 5 ] [Zhou M.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 6 ] [Zhou M.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 7 ] [Ji C.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 8 ] [Ji C.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 9 ] [Ji C.]College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China
[ 10 ] [Huang G.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 11 ] [Huang G.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 12 ] [Huang G.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 13 ] [Chen Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 14 ] [Chen Y.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 15 ] [Li L.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 16 ] [Li L.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 17 ] [Huang T.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 18 ] [Huang T.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 19 ] [Lu Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 20 ] [Lu Y.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 21 ] [Lu Y.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 22 ] [Lin J.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 23 ] [Lin J.]Fujian College, University of Chinese Academy of Sciences, Fuzhou, 350002, China
[ 24 ] [Lin J.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China

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Source ：

Materials and Design

ISSN： 0264-1275

Year： 2023

Volume： 228

7 . 6

JCR@2023

7 . 6 0 0

JCR@2023

ESI HC Threshold：49

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

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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