Analysis of microstructure of additively manufactured stainless steel
Selective laser sintering was used for additive manufacturing of stainless steel parts. The microstructure of the initial powder and the as-processed part was investigated. It was found that high temperature gradients involved in selective laser sintering evolve non-equilibrium microstructures in th...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2018-11, Vol.447 (1), p.12019 |
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| container_title | IOP conference series. Materials Science and Engineering |
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| creator | Korznikova, G F Tzibizova, T N Sergeyev, S N Smirnov, V V Pavlinich, S P Gunderov, D V Khalikova, G R Mulyukov, R R |
| description | Selective laser sintering was used for additive manufacturing of stainless steel parts. The microstructure of the initial powder and the as-processed part was investigated. It was found that high temperature gradients involved in selective laser sintering evolve non-equilibrium microstructures in the as fabricated state, e.g. retained austenite in martensite, significant dislocation density and residual stresses. The additively manufactured samples have an ultrafine grained structure with predominantly high angle grain boundaries and are free of a crystallographic texture and residual porosity. |
| doi_str_mv | 10.1088/1757-899X/447/1/012019 |
| format | Article |
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The microstructure of the initial powder and the as-processed part was investigated. It was found that high temperature gradients involved in selective laser sintering evolve non-equilibrium microstructures in the as fabricated state, e.g. retained austenite in martensite, significant dislocation density and residual stresses. The additively manufactured samples have an ultrafine grained structure with predominantly high angle grain boundaries and are free of a crystallographic texture and residual porosity.</description><identifier>ISSN: 1757-8981</identifier><identifier>ISSN: 1757-899X</identifier><identifier>EISSN: 1757-899X</identifier><identifier>DOI: 10.1088/1757-899X/447/1/012019</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Additive manufacturing ; Crystallography ; Dislocation density ; Grain boundaries ; High temperature ; Laser sintering ; Martensite ; Microstructural analysis ; Microstructure ; Rapid prototyping ; Residual stress ; Retained austenite ; Sintering (powder metallurgy) ; Stainless steel ; Stainless steels ; Ultrafines</subject><ispartof>IOP conference series. Materials Science and Engineering, 2018-11, Vol.447 (1), p.12019</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2018. 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Materials Science and Engineering</title><addtitle>IOP Conf. Ser.: Mater. Sci. Eng</addtitle><description>Selective laser sintering was used for additive manufacturing of stainless steel parts. The microstructure of the initial powder and the as-processed part was investigated. It was found that high temperature gradients involved in selective laser sintering evolve non-equilibrium microstructures in the as fabricated state, e.g. retained austenite in martensite, significant dislocation density and residual stresses. The additively manufactured samples have an ultrafine grained structure with predominantly high angle grain boundaries and are free of a crystallographic texture and residual porosity.</description><subject>Additive manufacturing</subject><subject>Crystallography</subject><subject>Dislocation density</subject><subject>Grain boundaries</subject><subject>High temperature</subject><subject>Laser sintering</subject><subject>Martensite</subject><subject>Microstructural analysis</subject><subject>Microstructure</subject><subject>Rapid prototyping</subject><subject>Residual stress</subject><subject>Retained austenite</subject><subject>Sintering (powder metallurgy)</subject><subject>Stainless steel</subject><subject>Stainless steels</subject><subject>Ultrafines</subject><issn>1757-8981</issn><issn>1757-899X</issn><issn>1757-899X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkE1LxDAQhoMouK7-BSl48VKbNGkme1yW-gErHlTwFtImgSzdbU1aYf-9qZUVQfAwH8y878A8CF0SfEOwEBmBAlKxWLxljEFGMkxyTBZHaHZYHB96QU7RWQgbjDkwhmeoXO5Usw8uJK1Ntq72bej9UPeDN-NEae1692GafbJVu8Gqr41OQq_crjEhxM6Y5hydWNUEc_Fd5-j1tnxZ3afrp7uH1XKd1gxDn3INWKmqqmOmQhgDUBUgigqo4JaJaowoMZTUuNAa5xQ4t0JpzghWlM7R1XS38-37YEIvN-3g4wdB5kUBBAQneVTxSTV-E7yxsvNuq_xeEixHZHKkIUcyMiKTRE7IojGfjK7tfi7_a7r-w_T4XP6SyU5b-gkz9HwC</recordid><startdate>20181121</startdate><enddate>20181121</enddate><creator>Korznikova, G F</creator><creator>Tzibizova, T N</creator><creator>Sergeyev, S N</creator><creator>Smirnov, V V</creator><creator>Pavlinich, S P</creator><creator>Gunderov, D V</creator><creator>Khalikova, G R</creator><creator>Mulyukov, R R</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20181121</creationdate><title>Analysis of microstructure of additively manufactured stainless steel</title><author>Korznikova, G F ; 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Materials Science and Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Korznikova, G F</au><au>Tzibizova, T N</au><au>Sergeyev, S N</au><au>Smirnov, V V</au><au>Pavlinich, S P</au><au>Gunderov, D V</au><au>Khalikova, G R</au><au>Mulyukov, R R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of microstructure of additively manufactured stainless steel</atitle><jtitle>IOP conference series. Materials Science and Engineering</jtitle><addtitle>IOP Conf. Ser.: Mater. Sci. Eng</addtitle><date>2018-11-21</date><risdate>2018</risdate><volume>447</volume><issue>1</issue><spage>12019</spage><pages>12019-</pages><issn>1757-8981</issn><issn>1757-899X</issn><eissn>1757-899X</eissn><abstract>Selective laser sintering was used for additive manufacturing of stainless steel parts. The microstructure of the initial powder and the as-processed part was investigated. 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| subjects | Additive manufacturing Crystallography Dislocation density Grain boundaries High temperature Laser sintering Martensite Microstructural analysis Microstructure Rapid prototyping Residual stress Retained austenite Sintering (powder metallurgy) Stainless steel Stainless steels Ultrafines |
| title | Analysis of microstructure of additively manufactured stainless steel |
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