Characterization of Inconel 625 surface layer modified by laser shock processing
In this study the microstructure of nickel alloy (Inconel 625) surface layer after laser shock processing (LSP) was investigated by means of light microscopy, scanning electron microscopy and transmission electron microscopy. The LSP treatment was performed using a Q switched Nd:YAG laser. Optical a...
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Veröffentlicht in: | International Journal of Materials Research = Zeitschrift fur Metallkunde 2019-01, Vol.110 (1), p.82-85 |
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creator | Rozmus-Górnikowska, Magdalena Kusiński, Jan Cieniek, Łukasz |
description | In this study the microstructure of nickel alloy (Inconel 625) surface layer after laser shock processing (LSP) was investigated by means of light microscopy, scanning electron microscopy and transmission electron microscopy. The LSP treatment was performed using a Q switched Nd:YAG laser. Optical and SEM images of the Inconel 625 after LSP showed that on the surface as well as on the cross-sections of the treated samples slip bands were clearly visible. Moreover, TEM micrographs revealed that under the thin melting layer of the treated material a high density of dislocations was present. The changes in microstructure come down even to 100 μm below the surface. The new and the most important finding of this study is that, in addition to slip bands, numerous cracks of hard carbide precipitates in the area affected by the laser process were visible both on the treated surface and on the cross-section of the material. |
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The LSP treatment was performed using a Q switched Nd:YAG laser. Optical and SEM images of the Inconel 625 after LSP showed that on the surface as well as on the cross-sections of the treated samples slip bands were clearly visible. Moreover, TEM micrographs revealed that under the thin melting layer of the treated material a high density of dislocations was present. The changes in microstructure come down even to 100 μm below the surface. The new and the most important finding of this study is that, in addition to slip bands, numerous cracks of hard carbide precipitates in the area affected by the laser process were visible both on the treated surface and on the cross-section of the material.</description><identifier>ISSN: 1862-5282</identifier><identifier>EISSN: 2195-8556</identifier><identifier>DOI: 10.3139/146.111711</identifier><language>eng</language><publisher>Stuttgart: De Gruyter</publisher><subject>Cracks ; Cross-sections ; Dislocation density ; Edge dislocations ; Heat treating ; Inconel 625 ; Laser shock processing ; Lasers ; LSP ; Microscopy ; Microstructure ; Neodymium lasers ; Nickel base alloys ; Photomicrographs ; Precipitates ; Scanning electron microscopy ; SEM ; Semiconductor lasers ; Superalloys ; Surface layers ; TEM ; Transmission electron microscopy ; YAG lasers</subject><ispartof>International Journal of Materials Research = Zeitschrift fur Metallkunde, 2019-01, Vol.110 (1), p.82-85</ispartof><rights>Copyright Carl Hanser Verlag Jan 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-608c48d9f24d53362911028d347df2ffd5612bf898b038188440efe4d6e9875f3</citedby><cites>FETCH-LOGICAL-c377t-608c48d9f24d53362911028d347df2ffd5612bf898b038188440efe4d6e9875f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111711/pdf$$EPDF$$P50$$Gwalterdegruyter$$H</linktopdf><linktohtml>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111711/html$$EHTML$$P50$$Gwalterdegruyter$$H</linktohtml><link.rule.ids>312,314,780,784,791,27924,27925,66754,68538</link.rule.ids></links><search><creatorcontrib>Rozmus-Górnikowska, Magdalena</creatorcontrib><creatorcontrib>Kusiński, Jan</creatorcontrib><creatorcontrib>Cieniek, Łukasz</creatorcontrib><title>Characterization of Inconel 625 surface layer modified by laser shock processing</title><title>International Journal of Materials Research = Zeitschrift fur Metallkunde</title><description>In this study the microstructure of nickel alloy (Inconel 625) surface layer after laser shock processing (LSP) was investigated by means of light microscopy, scanning electron microscopy and transmission electron microscopy. The LSP treatment was performed using a Q switched Nd:YAG laser. Optical and SEM images of the Inconel 625 after LSP showed that on the surface as well as on the cross-sections of the treated samples slip bands were clearly visible. Moreover, TEM micrographs revealed that under the thin melting layer of the treated material a high density of dislocations was present. The changes in microstructure come down even to 100 μm below the surface. The new and the most important finding of this study is that, in addition to slip bands, numerous cracks of hard carbide precipitates in the area affected by the laser process were visible both on the treated surface and on the cross-section of the material.</description><subject>Cracks</subject><subject>Cross-sections</subject><subject>Dislocation density</subject><subject>Edge dislocations</subject><subject>Heat treating</subject><subject>Inconel 625</subject><subject>Laser shock processing</subject><subject>Lasers</subject><subject>LSP</subject><subject>Microscopy</subject><subject>Microstructure</subject><subject>Neodymium lasers</subject><subject>Nickel base alloys</subject><subject>Photomicrographs</subject><subject>Precipitates</subject><subject>Scanning electron microscopy</subject><subject>SEM</subject><subject>Semiconductor lasers</subject><subject>Superalloys</subject><subject>Surface layers</subject><subject>TEM</subject><subject>Transmission electron microscopy</subject><subject>YAG lasers</subject><issn>1862-5282</issn><issn>2195-8556</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNptkMtOwzAQRS0EEqWw4QsilkgpHjt-LVHFo1IlWMDacmO7TUnjYidC4esxCktWM7q6M3PnIHQNeEGBqjuo-AIABMAJmhFQrJSM8VM0A8lJyYgk5-gipT3GDLggM_S63Jlo6t7F5tv0TeiK4ItVV4fOtQUnrEhD9KZ2RWtGF4tDsI1vnC02Y1ZSVtIu1B_FMYbapdR020t05k2b3NVfnaP3x4e35XO5fnlaLe_XZU2F6EuOZV1JqzypLKOUEwWAibS0EtYT7y3jQDZeKrnBVIKUVYWdd5XlTknBPJ2jm2lvPv05uNTr6I4h9kkTghUTSmQgc3Q7meoYUorO62NsDiaOGrD-BaYzMD0By2Y5mb9Mm3lYt43DmBu9D0Ps8i__DOXQIAn9AawEbWc</recordid><startdate>20190101</startdate><enddate>20190101</enddate><creator>Rozmus-Górnikowska, Magdalena</creator><creator>Kusiński, Jan</creator><creator>Cieniek, Łukasz</creator><general>De Gruyter</general><general>Carl Hanser Verlag</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190101</creationdate><title>Characterization of Inconel 625 surface layer modified by laser shock processing</title><author>Rozmus-Górnikowska, Magdalena ; Kusiński, Jan ; Cieniek, Łukasz</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-608c48d9f24d53362911028d347df2ffd5612bf898b038188440efe4d6e9875f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Cracks</topic><topic>Cross-sections</topic><topic>Dislocation density</topic><topic>Edge dislocations</topic><topic>Heat treating</topic><topic>Inconel 625</topic><topic>Laser shock processing</topic><topic>Lasers</topic><topic>LSP</topic><topic>Microscopy</topic><topic>Microstructure</topic><topic>Neodymium lasers</topic><topic>Nickel base alloys</topic><topic>Photomicrographs</topic><topic>Precipitates</topic><topic>Scanning electron microscopy</topic><topic>SEM</topic><topic>Semiconductor lasers</topic><topic>Superalloys</topic><topic>Surface layers</topic><topic>TEM</topic><topic>Transmission electron microscopy</topic><topic>YAG lasers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rozmus-Górnikowska, Magdalena</creatorcontrib><creatorcontrib>Kusiński, Jan</creatorcontrib><creatorcontrib>Cieniek, Łukasz</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International Journal of Materials Research = Zeitschrift fur Metallkunde</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rozmus-Górnikowska, Magdalena</au><au>Kusiński, Jan</au><au>Cieniek, Łukasz</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of Inconel 625 surface layer modified by laser shock processing</atitle><jtitle>International Journal of Materials Research = Zeitschrift fur Metallkunde</jtitle><date>2019-01-01</date><risdate>2019</risdate><volume>110</volume><issue>1</issue><spage>82</spage><epage>85</epage><pages>82-85</pages><issn>1862-5282</issn><eissn>2195-8556</eissn><abstract>In this study the microstructure of nickel alloy (Inconel 625) surface layer after laser shock processing (LSP) was investigated by means of light microscopy, scanning electron microscopy and transmission electron microscopy. The LSP treatment was performed using a Q switched Nd:YAG laser. Optical and SEM images of the Inconel 625 after LSP showed that on the surface as well as on the cross-sections of the treated samples slip bands were clearly visible. Moreover, TEM micrographs revealed that under the thin melting layer of the treated material a high density of dislocations was present. The changes in microstructure come down even to 100 μm below the surface. The new and the most important finding of this study is that, in addition to slip bands, numerous cracks of hard carbide precipitates in the area affected by the laser process were visible both on the treated surface and on the cross-section of the material.</abstract><cop>Stuttgart</cop><pub>De Gruyter</pub><doi>10.3139/146.111711</doi><tpages>4</tpages></addata></record> |
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subjects | Cracks Cross-sections Dislocation density Edge dislocations Heat treating Inconel 625 Laser shock processing Lasers LSP Microscopy Microstructure Neodymium lasers Nickel base alloys Photomicrographs Precipitates Scanning electron microscopy SEM Semiconductor lasers Superalloys Surface layers TEM Transmission electron microscopy YAG lasers |
title | Characterization of Inconel 625 surface layer modified by laser shock processing |
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