Microstructure and phase composition of vanadium-alloyed high-nitrogen steel fabricated by additive manufacturing
The phase composition, microstructure and microhardness of the vanadium-alloyed high-nitrogen steel produced by electron beam additive manufacturing have been studied and compared with conventionally cast and solution-treated counterpart. It has been shown that phase composition of the high-nitrogen...
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| creator | Reunova, Kseniya A. Astafurova, Elena G. Astafurov, Sergey V. Melnikov, Evgenii V. Panchenko, Marina Yu Moskvina, Valentina A. Maier, Galina G. Rubtsov, Valery E. Kolubaev, Evgenii A. |
| description | The phase composition, microstructure and microhardness of the vanadium-alloyed high-nitrogen steel produced by electron beam additive manufacturing have been studied and compared with conventionally cast and solution-treated counterpart. It has been shown that phase composition of the high-nitrogen steel is dependent on the method of fabrication. The homogeneous coarse-grained austenitic structure with high concentration of interstitial atoms (N) in solid solution and coarse vanadium-based carbonitrides have been formed in conventionally produced specimens, but additive manufacturing provides the formation of heterogeneous dendritic microstructure of high-nitrogen austenite with numerous precipitates. Additively manufactured specimen has columnar coarse austenitic grains elongated in building direction, and vanadium and chromium carbonitrides are located preferably along grain boundaries. The microhardness of the additively fabricated steel (5.5 GPa) is close to the value for cast steel (5.3 GPa). |
| doi_str_mv | 10.1063/5.0034265 |
| format | Conference Proceeding |
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It has been shown that phase composition of the high-nitrogen steel is dependent on the method of fabrication. The homogeneous coarse-grained austenitic structure with high concentration of interstitial atoms (N) in solid solution and coarse vanadium-based carbonitrides have been formed in conventionally produced specimens, but additive manufacturing provides the formation of heterogeneous dendritic microstructure of high-nitrogen austenite with numerous precipitates. Additively manufactured specimen has columnar coarse austenitic grains elongated in building direction, and vanadium and chromium carbonitrides are located preferably along grain boundaries. The microhardness of the additively fabricated steel (5.5 GPa) is close to the value for cast steel (5.3 GPa).</description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/5.0034265</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Additive manufacturing ; Alloying ; Carbon nitride ; Chromium ; Electron beams ; Grain boundaries ; Microhardness ; Microstructure ; Nitrogen ; Phase composition ; Precipitates ; Solid solutions</subject><ispartof>AIP conference proceedings, 2020, Vol.2310 (1)</ispartof><rights>Author(s)</rights><rights>2020 Author(s). Published by AIP Publishing.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/acp/article-lookup/doi/10.1063/5.0034265$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,790,4498,23909,23910,25118,27901,27902,76126</link.rule.ids></links><search><contributor>Panin, Victor E</contributor><contributor>Fomin, Vasily M</contributor><creatorcontrib>Reunova, Kseniya A.</creatorcontrib><creatorcontrib>Astafurova, Elena G.</creatorcontrib><creatorcontrib>Astafurov, Sergey V.</creatorcontrib><creatorcontrib>Melnikov, Evgenii V.</creatorcontrib><creatorcontrib>Panchenko, Marina Yu</creatorcontrib><creatorcontrib>Moskvina, Valentina A.</creatorcontrib><creatorcontrib>Maier, Galina G.</creatorcontrib><creatorcontrib>Rubtsov, Valery E.</creatorcontrib><creatorcontrib>Kolubaev, Evgenii A.</creatorcontrib><title>Microstructure and phase composition of vanadium-alloyed high-nitrogen steel fabricated by additive manufacturing</title><title>AIP conference proceedings</title><description>The phase composition, microstructure and microhardness of the vanadium-alloyed high-nitrogen steel produced by electron beam additive manufacturing have been studied and compared with conventionally cast and solution-treated counterpart. It has been shown that phase composition of the high-nitrogen steel is dependent on the method of fabrication. The homogeneous coarse-grained austenitic structure with high concentration of interstitial atoms (N) in solid solution and coarse vanadium-based carbonitrides have been formed in conventionally produced specimens, but additive manufacturing provides the formation of heterogeneous dendritic microstructure of high-nitrogen austenite with numerous precipitates. Additively manufactured specimen has columnar coarse austenitic grains elongated in building direction, and vanadium and chromium carbonitrides are located preferably along grain boundaries. The microhardness of the additively fabricated steel (5.5 GPa) is close to the value for cast steel (5.3 GPa).</description><subject>Additive manufacturing</subject><subject>Alloying</subject><subject>Carbon nitride</subject><subject>Chromium</subject><subject>Electron beams</subject><subject>Grain boundaries</subject><subject>Microhardness</subject><subject>Microstructure</subject><subject>Nitrogen</subject><subject>Phase composition</subject><subject>Precipitates</subject><subject>Solid solutions</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2020</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kE1LAzEYhIMoWKsH_0HAm7A1ySbZ5CjFL6h4UfAWskm2TdndbJNsof_eLRa8eZrD-8w7zABwi9ECI14-sAVCJSWcnYEZZgwXFcf8HMwQkrQgtPy-BFcpbREisqrEDOzevYkh5TiaPEYHdW_hsNHJQRO6ISSffehhaOBe99r6sSt024aDs3Dj15ui9zmGtethys61sNF19Ebn6VwfoLZ2su8d7HQ_NvoY4Pv1NbhodJvczUnn4Ov56XP5Wqw-Xt6Wj6tiIELkwuIKG6IFJdJVgtVGMMdLjagQNbeSWswcJthYqil20oiGCVSXkghTyYbhcg7ufv8OMexGl7LahjH2U6QilEtRcULFRN3_Usn4rI9l1RB9p-NB7UNUTJ3mVINt_oMxUsf9_wzlD7wleTs</recordid><startdate>20201214</startdate><enddate>20201214</enddate><creator>Reunova, Kseniya A.</creator><creator>Astafurova, Elena G.</creator><creator>Astafurov, Sergey V.</creator><creator>Melnikov, Evgenii V.</creator><creator>Panchenko, Marina Yu</creator><creator>Moskvina, Valentina A.</creator><creator>Maier, Galina G.</creator><creator>Rubtsov, Valery E.</creator><creator>Kolubaev, Evgenii A.</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20201214</creationdate><title>Microstructure and phase composition of vanadium-alloyed high-nitrogen steel fabricated by additive manufacturing</title><author>Reunova, Kseniya A. ; Astafurova, Elena G. ; Astafurov, Sergey V. ; Melnikov, Evgenii V. ; Panchenko, Marina Yu ; Moskvina, Valentina A. ; Maier, Galina G. ; Rubtsov, Valery E. ; Kolubaev, Evgenii A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p288t-d171c2a8429e785bc85e63a0488b6d94d15e121cd4a41e9c8f580b3928c79f513</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Additive manufacturing</topic><topic>Alloying</topic><topic>Carbon nitride</topic><topic>Chromium</topic><topic>Electron beams</topic><topic>Grain boundaries</topic><topic>Microhardness</topic><topic>Microstructure</topic><topic>Nitrogen</topic><topic>Phase composition</topic><topic>Precipitates</topic><topic>Solid solutions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reunova, Kseniya A.</creatorcontrib><creatorcontrib>Astafurova, Elena G.</creatorcontrib><creatorcontrib>Astafurov, Sergey V.</creatorcontrib><creatorcontrib>Melnikov, Evgenii V.</creatorcontrib><creatorcontrib>Panchenko, Marina Yu</creatorcontrib><creatorcontrib>Moskvina, Valentina A.</creatorcontrib><creatorcontrib>Maier, Galina G.</creatorcontrib><creatorcontrib>Rubtsov, Valery E.</creatorcontrib><creatorcontrib>Kolubaev, Evgenii A.</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reunova, Kseniya A.</au><au>Astafurova, Elena G.</au><au>Astafurov, Sergey V.</au><au>Melnikov, Evgenii V.</au><au>Panchenko, Marina Yu</au><au>Moskvina, Valentina A.</au><au>Maier, Galina G.</au><au>Rubtsov, Valery E.</au><au>Kolubaev, Evgenii A.</au><au>Panin, Victor E</au><au>Fomin, Vasily M</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Microstructure and phase composition of vanadium-alloyed high-nitrogen steel fabricated by additive manufacturing</atitle><btitle>AIP conference proceedings</btitle><date>2020-12-14</date><risdate>2020</risdate><volume>2310</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>The phase composition, microstructure and microhardness of the vanadium-alloyed high-nitrogen steel produced by electron beam additive manufacturing have been studied and compared with conventionally cast and solution-treated counterpart. It has been shown that phase composition of the high-nitrogen steel is dependent on the method of fabrication. The homogeneous coarse-grained austenitic structure with high concentration of interstitial atoms (N) in solid solution and coarse vanadium-based carbonitrides have been formed in conventionally produced specimens, but additive manufacturing provides the formation of heterogeneous dendritic microstructure of high-nitrogen austenite with numerous precipitates. Additively manufactured specimen has columnar coarse austenitic grains elongated in building direction, and vanadium and chromium carbonitrides are located preferably along grain boundaries. The microhardness of the additively fabricated steel (5.5 GPa) is close to the value for cast steel (5.3 GPa).</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0034265</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0094-243X |
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| issn | 0094-243X 1551-7616 |
| language | eng |
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| source | AIP Journals Complete |
| subjects | Additive manufacturing Alloying Carbon nitride Chromium Electron beams Grain boundaries Microhardness Microstructure Nitrogen Phase composition Precipitates Solid solutions |
| title | Microstructure and phase composition of vanadium-alloyed high-nitrogen steel fabricated by additive manufacturing |
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