The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing
In the present work, the role of trace Nb was investigated in enhancing the strength-ductility combination of the (Ni2CoCrFe)88.25(WMo)3Al5Ti3Nb0.75 high-entropy alloy. It was found that trace Nb can improve the heterogeneous microstructure, including the formation of the high-density (Ti, Nb)-rich...
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| Veröffentlicht in: | Materials characterization 2023-06, Vol.200, p.112866, Article 112866 |
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| creator | Man, Jiale Wu, Baolin Duan, Guosheng Zhang, Lu Wan, Gang Zhang, Li Jin, Wenhan Liu, Yandong Esling, Claude |
| description | In the present work, the role of trace Nb was investigated in enhancing the strength-ductility combination of the (Ni2CoCrFe)88.25(WMo)3Al5Ti3Nb0.75 high-entropy alloy. It was found that trace Nb can improve the heterogeneous microstructure, including the formation of the high-density (Ti, Nb)-rich phase instead of the (Ti, W, Mo)-rich phase, the refinement of σ and γ' phases, the production of the large amounts of stacking faults and Lomer-Cottrell locks. The strength-ductility combination of the alloy was enhanced via the improvement of the heterogeneous microstructure in thermo-mechanical processing. The results suggest that the addition of trace Nb is a promising method for enhancing the strength-ductility combination of this kind of alloys.
•The (Ti, Nb)-rich phase formed instead of the (Ti, W, Mo)-rich phase.•The σ precipitated particles were refined with Nb addition.•A high density of ultra-fine γ'-LI2 precipitates formed with 4–10 nm in size.•The recrystallization was retarded due to the addition of trace Nb.•Trace Nb can improve the heterogeneous microstructure and tensile property. |
| doi_str_mv | 10.1016/j.matchar.2023.112866 |
| format | Article |
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•The (Ti, Nb)-rich phase formed instead of the (Ti, W, Mo)-rich phase.•The σ precipitated particles were refined with Nb addition.•A high density of ultra-fine γ'-LI2 precipitates formed with 4–10 nm in size.•The recrystallization was retarded due to the addition of trace Nb.•Trace Nb can improve the heterogeneous microstructure and tensile property.</description><identifier>ISSN: 1044-5803</identifier><identifier>EISSN: 1873-4189</identifier><identifier>DOI: 10.1016/j.matchar.2023.112866</identifier><language>eng</language><publisher>Elsevier Inc</publisher><subject>Geometrical close-packed phase ; High entropy alloy ; Mechanics ; Mechanics of materials ; Physics ; Strength-ductility combination ; Thermo-mechanical processing ; Topological close-packed phase</subject><ispartof>Materials characterization, 2023-06, Vol.200, p.112866, Article 112866</ispartof><rights>2023 Elsevier Inc.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-a467966627da9a1b522488cb4f43e96f632953b0c9a76045157abe82285b506e3</citedby><cites>FETCH-LOGICAL-c343t-a467966627da9a1b522488cb4f43e96f632953b0c9a76045157abe82285b506e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1044580323002243$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://hal.univ-lorraine.fr/hal-04134524$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Man, Jiale</creatorcontrib><creatorcontrib>Wu, Baolin</creatorcontrib><creatorcontrib>Duan, Guosheng</creatorcontrib><creatorcontrib>Zhang, Lu</creatorcontrib><creatorcontrib>Wan, Gang</creatorcontrib><creatorcontrib>Zhang, Li</creatorcontrib><creatorcontrib>Jin, Wenhan</creatorcontrib><creatorcontrib>Liu, Yandong</creatorcontrib><creatorcontrib>Esling, Claude</creatorcontrib><title>The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing</title><title>Materials characterization</title><description>In the present work, the role of trace Nb was investigated in enhancing the strength-ductility combination of the (Ni2CoCrFe)88.25(WMo)3Al5Ti3Nb0.75 high-entropy alloy. It was found that trace Nb can improve the heterogeneous microstructure, including the formation of the high-density (Ti, Nb)-rich phase instead of the (Ti, W, Mo)-rich phase, the refinement of σ and γ' phases, the production of the large amounts of stacking faults and Lomer-Cottrell locks. The strength-ductility combination of the alloy was enhanced via the improvement of the heterogeneous microstructure in thermo-mechanical processing. The results suggest that the addition of trace Nb is a promising method for enhancing the strength-ductility combination of this kind of alloys.
•The (Ti, Nb)-rich phase formed instead of the (Ti, W, Mo)-rich phase.•The σ precipitated particles were refined with Nb addition.•A high density of ultra-fine γ'-LI2 precipitates formed with 4–10 nm in size.•The recrystallization was retarded due to the addition of trace Nb.•Trace Nb can improve the heterogeneous microstructure and tensile property.</description><subject>Geometrical close-packed phase</subject><subject>High entropy alloy</subject><subject>Mechanics</subject><subject>Mechanics of materials</subject><subject>Physics</subject><subject>Strength-ductility combination</subject><subject>Thermo-mechanical processing</subject><subject>Topological close-packed phase</subject><issn>1044-5803</issn><issn>1873-4189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqFkM9q3DAQxk1oIWnaRyjomoO3-m_5FMLSJIUluSRnMZbHay22tEjqwj5E37k2G3rtaYbh-30z81XVd0Y3jDL947CZobgR0oZTLjaMcaP1VXXDTCNqyUz7aemplLUyVFxXX3I-UEq1Yc1N9edtRJLihCQOpCRwSF464gPBMEJwPuxJWRS5JAz7Mtb9b1f85MuZuDh3PkDxMawskBfPt3GbHrHuIGNPRr8fawwlxeOZwDTFMzl5WO3SHOsZl4uDdzCRY4oOc152fa0-DzBl_PZRb6v3x59v2-d69_r0a_uwq52QotQgddNqrXnTQwusU5xLY1wnBymw1YMWvFWio66FRlOpmGqgQ8O5UZ2iGsVtdXfxHWGyx-RnSGcbwdvnh51dZ1QyIRWXJ7Zo1UXrUsw54fAPYNSu-duD_cjfrvnbS_4Ld3_hcHnk5DHZ7DwGh71P6Irto_-Pw18rI5GX</recordid><startdate>202306</startdate><enddate>202306</enddate><creator>Man, Jiale</creator><creator>Wu, Baolin</creator><creator>Duan, Guosheng</creator><creator>Zhang, Lu</creator><creator>Wan, Gang</creator><creator>Zhang, Li</creator><creator>Jin, Wenhan</creator><creator>Liu, Yandong</creator><creator>Esling, Claude</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope></search><sort><creationdate>202306</creationdate><title>The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing</title><author>Man, Jiale ; Wu, Baolin ; Duan, Guosheng ; Zhang, Lu ; Wan, Gang ; Zhang, Li ; Jin, Wenhan ; Liu, Yandong ; Esling, Claude</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-a467966627da9a1b522488cb4f43e96f632953b0c9a76045157abe82285b506e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Geometrical close-packed phase</topic><topic>High entropy alloy</topic><topic>Mechanics</topic><topic>Mechanics of materials</topic><topic>Physics</topic><topic>Strength-ductility combination</topic><topic>Thermo-mechanical processing</topic><topic>Topological close-packed phase</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Man, Jiale</creatorcontrib><creatorcontrib>Wu, Baolin</creatorcontrib><creatorcontrib>Duan, Guosheng</creatorcontrib><creatorcontrib>Zhang, Lu</creatorcontrib><creatorcontrib>Wan, Gang</creatorcontrib><creatorcontrib>Zhang, Li</creatorcontrib><creatorcontrib>Jin, Wenhan</creatorcontrib><creatorcontrib>Liu, Yandong</creatorcontrib><creatorcontrib>Esling, Claude</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Materials characterization</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Man, Jiale</au><au>Wu, Baolin</au><au>Duan, Guosheng</au><au>Zhang, Lu</au><au>Wan, Gang</au><au>Zhang, Li</au><au>Jin, Wenhan</au><au>Liu, Yandong</au><au>Esling, Claude</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing</atitle><jtitle>Materials characterization</jtitle><date>2023-06</date><risdate>2023</risdate><volume>200</volume><spage>112866</spage><pages>112866-</pages><artnum>112866</artnum><issn>1044-5803</issn><eissn>1873-4189</eissn><abstract>In the present work, the role of trace Nb was investigated in enhancing the strength-ductility combination of the (Ni2CoCrFe)88.25(WMo)3Al5Ti3Nb0.75 high-entropy alloy. It was found that trace Nb can improve the heterogeneous microstructure, including the formation of the high-density (Ti, Nb)-rich phase instead of the (Ti, W, Mo)-rich phase, the refinement of σ and γ' phases, the production of the large amounts of stacking faults and Lomer-Cottrell locks. The strength-ductility combination of the alloy was enhanced via the improvement of the heterogeneous microstructure in thermo-mechanical processing. The results suggest that the addition of trace Nb is a promising method for enhancing the strength-ductility combination of this kind of alloys.
•The (Ti, Nb)-rich phase formed instead of the (Ti, W, Mo)-rich phase.•The σ precipitated particles were refined with Nb addition.•A high density of ultra-fine γ'-LI2 precipitates formed with 4–10 nm in size.•The recrystallization was retarded due to the addition of trace Nb.•Trace Nb can improve the heterogeneous microstructure and tensile property.</abstract><pub>Elsevier Inc</pub><doi>10.1016/j.matchar.2023.112866</doi></addata></record> |
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| subjects | Geometrical close-packed phase High entropy alloy Mechanics Mechanics of materials Physics Strength-ductility combination Thermo-mechanical processing Topological close-packed phase |
| title | The role of trace Nb in enhancing the strength-ductility combination of a Ni2CoCrFe-based high-entropy alloy via thermo-mechanical processing |
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