Microstructural evolution and corrosion behavior of a laser surface modified cast Co–Cr–Mo–C alloy
A Co–Cr–Mo–C biomedical alloy was processed by investment casting, and its surface was modified using pulsed laser melting. The modified surface underwent rapid solidification, and the exhibited microstructure as well as its corrosion properties were investigated. It was found that the laser surface...
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| Veröffentlicht in: | Journal of biomedical materials research. Part B, Applied biomaterials Applied biomaterials, 2020-11, Vol.108 (8), p.3190-3199 |
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| creator | Erfanian‐Nazif‐Toosi, Hamid‐Reza Rodriguez, Mario López, Hugo F. |
| description | A Co–Cr–Mo–C biomedical alloy was processed by investment casting, and its surface was modified using pulsed laser melting. The modified surface underwent rapid solidification, and the exhibited microstructure as well as its corrosion properties were investigated. It was found that the laser surface modified (LSM) Co–Cr–Mo–C alloy possesses enhanced corrosion resistance when compared with the same alloy in the as‐cast condition. Microstructural determinations indicated that the LSM Co–Cr–Mo–C alloy exhibited a lack significant solute segregation and a predominantly cellular morphology as a result of the development of a cellular solid–liquid front. The cellular morphology was characterized by a fine distribution of nano‐scale M23C6 carbides at the intercellular regions. Moreover, the austenite (γ) to athermal ε‐martensite transformation was totally suppressed in the cellular solidified regions. In contrast, the as‐cast alloy develops a coarse dendritic microstructure with coarse carbides in the interdendritic regions. Solute segregation is also present, as well as athermal ε‐martensite (13 pct). It was found that the corrosion resistance of the LSM alloy in the Ringer solution exhibits improved corrosion potential and a reduced corrosion current density (−281 mV and 0.032 μA/cm2, respectively),when compared with the same alloy in the investment as‐cast condition (−356 mV and 0.150 μA/cm2). |
| doi_str_mv | 10.1002/jbm.b.34644 |
| format | Article |
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The modified surface underwent rapid solidification, and the exhibited microstructure as well as its corrosion properties were investigated. It was found that the laser surface modified (LSM) Co–Cr–Mo–C alloy possesses enhanced corrosion resistance when compared with the same alloy in the as‐cast condition. Microstructural determinations indicated that the LSM Co–Cr–Mo–C alloy exhibited a lack significant solute segregation and a predominantly cellular morphology as a result of the development of a cellular solid–liquid front. The cellular morphology was characterized by a fine distribution of nano‐scale M23C6 carbides at the intercellular regions. Moreover, the austenite (γ) to athermal ε‐martensite transformation was totally suppressed in the cellular solidified regions. In contrast, the as‐cast alloy develops a coarse dendritic microstructure with coarse carbides in the interdendritic regions. Solute segregation is also present, as well as athermal ε‐martensite (13 pct). It was found that the corrosion resistance of the LSM alloy in the Ringer solution exhibits improved corrosion potential and a reduced corrosion current density (−281 mV and 0.032 μA/cm2, respectively),when compared with the same alloy in the investment as‐cast condition (−356 mV and 0.150 μA/cm2).</description><identifier>ISSN: 1552-4973</identifier><identifier>EISSN: 1552-4981</identifier><identifier>DOI: 10.1002/jbm.b.34644</identifier><identifier>PMID: 32619316</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>biocompatibility/hard tissue ; Biomedical materials ; Carbides ; Casting alloys ; Chromium ; cobalt–chromium (alloys) ; Corrosion ; Corrosion currents ; Corrosion potential ; Corrosion resistance ; Corrosion resistant alloys ; Investment casting ; Laser beam melting ; Lasers ; Martensite ; Martensitic transformations ; Materials research ; Materials science ; Microstructure ; Molybdenum ; Morphology ; Pulsed lasers ; Rapid solidification ; surface modification</subject><ispartof>Journal of biomedical materials research. Part B, Applied biomaterials, 2020-11, Vol.108 (8), p.3190-3199</ispartof><rights>2020 Wiley Periodicals LLC</rights><rights>2020 Wiley Periodicals LLC.</rights><rights>2020 Wiley Periodicals, LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2754-e6f074758770c9eb42b5da5a5fba88fa34d495d25faf2dff00cb1b632a0cf18b3</citedby><cites>FETCH-LOGICAL-c2754-e6f074758770c9eb42b5da5a5fba88fa34d495d25faf2dff00cb1b632a0cf18b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjbm.b.34644$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjbm.b.34644$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32619316$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Erfanian‐Nazif‐Toosi, Hamid‐Reza</creatorcontrib><creatorcontrib>Rodriguez, Mario</creatorcontrib><creatorcontrib>López, Hugo F.</creatorcontrib><title>Microstructural evolution and corrosion behavior of a laser surface modified cast Co–Cr–Mo–C alloy</title><title>Journal of biomedical materials research. Part B, Applied biomaterials</title><addtitle>J Biomed Mater Res B Appl Biomater</addtitle><description>A Co–Cr–Mo–C biomedical alloy was processed by investment casting, and its surface was modified using pulsed laser melting. The modified surface underwent rapid solidification, and the exhibited microstructure as well as its corrosion properties were investigated. It was found that the laser surface modified (LSM) Co–Cr–Mo–C alloy possesses enhanced corrosion resistance when compared with the same alloy in the as‐cast condition. Microstructural determinations indicated that the LSM Co–Cr–Mo–C alloy exhibited a lack significant solute segregation and a predominantly cellular morphology as a result of the development of a cellular solid–liquid front. The cellular morphology was characterized by a fine distribution of nano‐scale M23C6 carbides at the intercellular regions. Moreover, the austenite (γ) to athermal ε‐martensite transformation was totally suppressed in the cellular solidified regions. In contrast, the as‐cast alloy develops a coarse dendritic microstructure with coarse carbides in the interdendritic regions. Solute segregation is also present, as well as athermal ε‐martensite (13 pct). It was found that the corrosion resistance of the LSM alloy in the Ringer solution exhibits improved corrosion potential and a reduced corrosion current density (−281 mV and 0.032 μA/cm2, respectively),when compared with the same alloy in the investment as‐cast condition (−356 mV and 0.150 μA/cm2).</description><subject>biocompatibility/hard tissue</subject><subject>Biomedical materials</subject><subject>Carbides</subject><subject>Casting alloys</subject><subject>Chromium</subject><subject>cobalt–chromium (alloys)</subject><subject>Corrosion</subject><subject>Corrosion currents</subject><subject>Corrosion potential</subject><subject>Corrosion resistance</subject><subject>Corrosion resistant alloys</subject><subject>Investment casting</subject><subject>Laser beam melting</subject><subject>Lasers</subject><subject>Martensite</subject><subject>Martensitic transformations</subject><subject>Materials research</subject><subject>Materials science</subject><subject>Microstructure</subject><subject>Molybdenum</subject><subject>Morphology</subject><subject>Pulsed lasers</subject><subject>Rapid solidification</subject><subject>surface modification</subject><issn>1552-4973</issn><issn>1552-4981</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kctKAzEUhoMoXqor9xJwI0hrrjPTpRavWNzoOpxkEpySaTSZUbrzHXxDn8TUqgsXbs6F8_Fz-H-E9ikZUULYyUy3Iz3iohBiDW1TKdlQjCu6_juXfAvtpDTLcEEk30RbnBV0zGmxjR6njYkhdbE3XR_BY_sSfN81YY5hXmMTYr4uN20f4aUJEQeHAXtINuLURwfG4jbUjWtsxiF1eBI-3t4nMZfp14TB-7DYRRsOfLJ7332AHi7O7ydXw9u7y-vJ6e3QsFKKoS0cKUUpq7IkZmy1YFrWIEE6DVXlgItajGXNpAPHaucIMZrqgjMgxtFK8wE6Wuk-xfDc29SptknGeg9zG_qkmGCECiKyEQN0-AedhT7O83eZEhWvBC-KTB2vqKVPKVqnnmLTQlwoStQyAJUDUFp9BZDpg2_NXre2_mV_HM8AWwGvjbeL_7TUzdn0bKX6CW16lHE</recordid><startdate>202011</startdate><enddate>202011</enddate><creator>Erfanian‐Nazif‐Toosi, Hamid‐Reza</creator><creator>Rodriguez, Mario</creator><creator>López, Hugo F.</creator><general>John Wiley & Sons, Inc</general><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>202011</creationdate><title>Microstructural evolution and corrosion behavior of a laser surface modified cast Co–Cr–Mo–C alloy</title><author>Erfanian‐Nazif‐Toosi, Hamid‐Reza ; Rodriguez, Mario ; López, Hugo F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2754-e6f074758770c9eb42b5da5a5fba88fa34d495d25faf2dff00cb1b632a0cf18b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>biocompatibility/hard tissue</topic><topic>Biomedical materials</topic><topic>Carbides</topic><topic>Casting alloys</topic><topic>Chromium</topic><topic>cobalt–chromium (alloys)</topic><topic>Corrosion</topic><topic>Corrosion currents</topic><topic>Corrosion potential</topic><topic>Corrosion resistance</topic><topic>Corrosion resistant alloys</topic><topic>Investment casting</topic><topic>Laser beam melting</topic><topic>Lasers</topic><topic>Martensite</topic><topic>Martensitic transformations</topic><topic>Materials research</topic><topic>Materials science</topic><topic>Microstructure</topic><topic>Molybdenum</topic><topic>Morphology</topic><topic>Pulsed lasers</topic><topic>Rapid solidification</topic><topic>surface modification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Erfanian‐Nazif‐Toosi, Hamid‐Reza</creatorcontrib><creatorcontrib>Rodriguez, Mario</creatorcontrib><creatorcontrib>López, Hugo F.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of biomedical materials research. Part B, Applied biomaterials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Erfanian‐Nazif‐Toosi, Hamid‐Reza</au><au>Rodriguez, Mario</au><au>López, Hugo F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructural evolution and corrosion behavior of a laser surface modified cast Co–Cr–Mo–C alloy</atitle><jtitle>Journal of biomedical materials research. Part B, Applied biomaterials</jtitle><addtitle>J Biomed Mater Res B Appl Biomater</addtitle><date>2020-11</date><risdate>2020</risdate><volume>108</volume><issue>8</issue><spage>3190</spage><epage>3199</epage><pages>3190-3199</pages><issn>1552-4973</issn><eissn>1552-4981</eissn><abstract>A Co–Cr–Mo–C biomedical alloy was processed by investment casting, and its surface was modified using pulsed laser melting. The modified surface underwent rapid solidification, and the exhibited microstructure as well as its corrosion properties were investigated. It was found that the laser surface modified (LSM) Co–Cr–Mo–C alloy possesses enhanced corrosion resistance when compared with the same alloy in the as‐cast condition. Microstructural determinations indicated that the LSM Co–Cr–Mo–C alloy exhibited a lack significant solute segregation and a predominantly cellular morphology as a result of the development of a cellular solid–liquid front. The cellular morphology was characterized by a fine distribution of nano‐scale M23C6 carbides at the intercellular regions. Moreover, the austenite (γ) to athermal ε‐martensite transformation was totally suppressed in the cellular solidified regions. In contrast, the as‐cast alloy develops a coarse dendritic microstructure with coarse carbides in the interdendritic regions. Solute segregation is also present, as well as athermal ε‐martensite (13 pct). It was found that the corrosion resistance of the LSM alloy in the Ringer solution exhibits improved corrosion potential and a reduced corrosion current density (−281 mV and 0.032 μA/cm2, respectively),when compared with the same alloy in the investment as‐cast condition (−356 mV and 0.150 μA/cm2).</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><pmid>32619316</pmid><doi>10.1002/jbm.b.34644</doi><tpages>10</tpages></addata></record> |
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| subjects | biocompatibility/hard tissue Biomedical materials Carbides Casting alloys Chromium cobalt–chromium (alloys) Corrosion Corrosion currents Corrosion potential Corrosion resistance Corrosion resistant alloys Investment casting Laser beam melting Lasers Martensite Martensitic transformations Materials research Materials science Microstructure Molybdenum Morphology Pulsed lasers Rapid solidification surface modification |
| title | Microstructural evolution and corrosion behavior of a laser surface modified cast Co–Cr–Mo–C alloy |
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