Microstructural configuration and compressive deformation behavior of a TiAl composite reinforced by Mn and in situ Ti2AlC particles
TiAl-5wt.%Ti2AlC-3wt.%Mn composites reinforced by the addition of Mn and in situ synthesized Ti2AlC nanoparticles with a novel microstructure were fabricated. The microstructure and compressive properties of the fabricated composites were thoroughly investigated. The interface between the nanopartic...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2021-08, Vol.823, p.141772, Article 141772 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Gao, Yun-lei Kou, Shu-qing Dai, Jun-nan Wang, Zhi-fa Shu, Shi-li Zhang, Shuang Qiu, Feng Jiang, Qi-chuan |
| description | TiAl-5wt.%Ti2AlC-3wt.%Mn composites reinforced by the addition of Mn and in situ synthesized Ti2AlC nanoparticles with a novel microstructure were fabricated. The microstructure and compressive properties of the fabricated composites were thoroughly investigated. The interface between the nanoparticles and the TiAl matrix maintained a very small mismatch and exhibited a stable combination, leading to noticeable grain refinement in the fabricated composites. Furthermore, the yield strength, maximum compressive strength, fracture strain, and strength-ductility balance of the TiAl-5wt.%Ti2AlC-3wt.%Mn composites increased by 30.7%, 10.1%, 5.5%, and 9.9%, respectively, compared with those of the TiAl alloy. The mechanisms by which the properties of the composites were improved mainly thermal mismatch strengthening, Orowan strengthening, grain refinement strengthening, and solid solution strengthening.
•In-situ Ti2AlC particles and Mn evolved TiAl alloy into a refined microstructure.•The interface between the TiAl matrix and nanoparticles exhibited a stable combination.•Toughness and strength of TiAl composites were significantly elevated by 9.9% and 30.7%.•The dominant ones were the thermal mismatch and the Orowan strengthening mechanism. |
| doi_str_mv | 10.1016/j.msea.2021.141772 |
| format | Article |
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•In-situ Ti2AlC particles and Mn evolved TiAl alloy into a refined microstructure.•The interface between the TiAl matrix and nanoparticles exhibited a stable combination.•Toughness and strength of TiAl composites were significantly elevated by 9.9% and 30.7%.•The dominant ones were the thermal mismatch and the Orowan strengthening mechanism.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2021.141772</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Compressive properties ; Compressive strength ; Grain refinement ; Interface ; Intermetallic compounds ; Mechanical properties ; Microstructure ; Nanoparticles ; Particulate composites ; Solid solutions ; Solution strengthening ; Thermal mismatch ; TiAl intermetallic ; Titanium aluminides ; Titanium base alloys ; Toughening and strengthening mechanism</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2021-08, Vol.823, p.141772, Article 141772</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Aug 17, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-ef5a6c9463010cd849b425cce80ff3936fcd18899a89d39c9854593f7806808a3</citedby><cites>FETCH-LOGICAL-c328t-ef5a6c9463010cd849b425cce80ff3936fcd18899a89d39c9854593f7806808a3</cites><orcidid>0000-0003-4741-7906</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2021.141772$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Gao, Yun-lei</creatorcontrib><creatorcontrib>Kou, Shu-qing</creatorcontrib><creatorcontrib>Dai, Jun-nan</creatorcontrib><creatorcontrib>Wang, Zhi-fa</creatorcontrib><creatorcontrib>Shu, Shi-li</creatorcontrib><creatorcontrib>Zhang, Shuang</creatorcontrib><creatorcontrib>Qiu, Feng</creatorcontrib><creatorcontrib>Jiang, Qi-chuan</creatorcontrib><title>Microstructural configuration and compressive deformation behavior of a TiAl composite reinforced by Mn and in situ Ti2AlC particles</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>TiAl-5wt.%Ti2AlC-3wt.%Mn composites reinforced by the addition of Mn and in situ synthesized Ti2AlC nanoparticles with a novel microstructure were fabricated. The microstructure and compressive properties of the fabricated composites were thoroughly investigated. The interface between the nanoparticles and the TiAl matrix maintained a very small mismatch and exhibited a stable combination, leading to noticeable grain refinement in the fabricated composites. Furthermore, the yield strength, maximum compressive strength, fracture strain, and strength-ductility balance of the TiAl-5wt.%Ti2AlC-3wt.%Mn composites increased by 30.7%, 10.1%, 5.5%, and 9.9%, respectively, compared with those of the TiAl alloy. The mechanisms by which the properties of the composites were improved mainly thermal mismatch strengthening, Orowan strengthening, grain refinement strengthening, and solid solution strengthening.
•In-situ Ti2AlC particles and Mn evolved TiAl alloy into a refined microstructure.•The interface between the TiAl matrix and nanoparticles exhibited a stable combination.•Toughness and strength of TiAl composites were significantly elevated by 9.9% and 30.7%.•The dominant ones were the thermal mismatch and the Orowan strengthening mechanism.</description><subject>Compressive properties</subject><subject>Compressive strength</subject><subject>Grain refinement</subject><subject>Interface</subject><subject>Intermetallic compounds</subject><subject>Mechanical properties</subject><subject>Microstructure</subject><subject>Nanoparticles</subject><subject>Particulate composites</subject><subject>Solid solutions</subject><subject>Solution strengthening</subject><subject>Thermal mismatch</subject><subject>TiAl intermetallic</subject><subject>Titanium aluminides</subject><subject>Titanium base alloys</subject><subject>Toughening and strengthening mechanism</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PAyEQhonRxFr9A55IPG_lY9mFxEvT-JW08VLPhLKD0myXCrtNeveHS13PniDM884wD0K3lMwoodX9drZLYGaMMDqjJa1rdoYmVNa8KBWvztGEKEYLQRS_RFcpbQkhtCRigr5X3saQ-jjYfoimxTZ0zn_ka-9Dh03X5JfdPkJK_gC4ARfibqxt4NMcfIg4OGzw2s_bXzQk3wOO4LuMWmjw5ohXYyff4VwcMsvm7QLvTey9bSFdowtn2gQ3f-cUvT89rhcvxfLt-XUxXxaWM9kX4ISprCorTiixjSzVpmTCWpDEOZ73dLahUiplpGq4skqKUijuakkqSaThU3Q39t3H8DVA6vU2DLHLIzUTtRBcSUoyxUbqJCZFcHof_c7Eo6ZEn2zrrT7Z1ifberSdQw9jCPL_Dx6iTtZDl_f3EWyvm-D_i_8AWP6J0g</recordid><startdate>20210817</startdate><enddate>20210817</enddate><creator>Gao, Yun-lei</creator><creator>Kou, Shu-qing</creator><creator>Dai, Jun-nan</creator><creator>Wang, Zhi-fa</creator><creator>Shu, Shi-li</creator><creator>Zhang, Shuang</creator><creator>Qiu, Feng</creator><creator>Jiang, Qi-chuan</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-4741-7906</orcidid></search><sort><creationdate>20210817</creationdate><title>Microstructural configuration and compressive deformation behavior of a TiAl composite reinforced by Mn and in situ Ti2AlC particles</title><author>Gao, Yun-lei ; Kou, Shu-qing ; Dai, Jun-nan ; Wang, Zhi-fa ; Shu, Shi-li ; Zhang, Shuang ; Qiu, Feng ; Jiang, Qi-chuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-ef5a6c9463010cd849b425cce80ff3936fcd18899a89d39c9854593f7806808a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Compressive properties</topic><topic>Compressive strength</topic><topic>Grain refinement</topic><topic>Interface</topic><topic>Intermetallic compounds</topic><topic>Mechanical properties</topic><topic>Microstructure</topic><topic>Nanoparticles</topic><topic>Particulate composites</topic><topic>Solid solutions</topic><topic>Solution strengthening</topic><topic>Thermal mismatch</topic><topic>TiAl intermetallic</topic><topic>Titanium aluminides</topic><topic>Titanium base alloys</topic><topic>Toughening and strengthening mechanism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Yun-lei</creatorcontrib><creatorcontrib>Kou, Shu-qing</creatorcontrib><creatorcontrib>Dai, Jun-nan</creatorcontrib><creatorcontrib>Wang, Zhi-fa</creatorcontrib><creatorcontrib>Shu, Shi-li</creatorcontrib><creatorcontrib>Zhang, Shuang</creatorcontrib><creatorcontrib>Qiu, Feng</creatorcontrib><creatorcontrib>Jiang, Qi-chuan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gao, Yun-lei</au><au>Kou, Shu-qing</au><au>Dai, Jun-nan</au><au>Wang, Zhi-fa</au><au>Shu, Shi-li</au><au>Zhang, Shuang</au><au>Qiu, Feng</au><au>Jiang, Qi-chuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructural configuration and compressive deformation behavior of a TiAl composite reinforced by Mn and in situ Ti2AlC particles</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2021-08-17</date><risdate>2021</risdate><volume>823</volume><spage>141772</spage><pages>141772-</pages><artnum>141772</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>TiAl-5wt.%Ti2AlC-3wt.%Mn composites reinforced by the addition of Mn and in situ synthesized Ti2AlC nanoparticles with a novel microstructure were fabricated. The microstructure and compressive properties of the fabricated composites were thoroughly investigated. The interface between the nanoparticles and the TiAl matrix maintained a very small mismatch and exhibited a stable combination, leading to noticeable grain refinement in the fabricated composites. Furthermore, the yield strength, maximum compressive strength, fracture strain, and strength-ductility balance of the TiAl-5wt.%Ti2AlC-3wt.%Mn composites increased by 30.7%, 10.1%, 5.5%, and 9.9%, respectively, compared with those of the TiAl alloy. The mechanisms by which the properties of the composites were improved mainly thermal mismatch strengthening, Orowan strengthening, grain refinement strengthening, and solid solution strengthening.
•In-situ Ti2AlC particles and Mn evolved TiAl alloy into a refined microstructure.•The interface between the TiAl matrix and nanoparticles exhibited a stable combination.•Toughness and strength of TiAl composites were significantly elevated by 9.9% and 30.7%.•The dominant ones were the thermal mismatch and the Orowan strengthening mechanism.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2021.141772</doi><orcidid>https://orcid.org/0000-0003-4741-7906</orcidid></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Compressive properties Compressive strength Grain refinement Interface Intermetallic compounds Mechanical properties Microstructure Nanoparticles Particulate composites Solid solutions Solution strengthening Thermal mismatch TiAl intermetallic Titanium aluminides Titanium base alloys Toughening and strengthening mechanism |
| title | Microstructural configuration and compressive deformation behavior of a TiAl composite reinforced by Mn and in situ Ti2AlC particles |
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