Optimizing Mechanical Properties of AlCoCrFeNiTi(x) High-Entropy Alloys by Tailoring Microstructures
The effects of Ti addtions and the heat treatment on the mechanical properties of AlCoCrFeNiTi(x) (x = 0, 0.2, 0.3, 0.4 and 0.5) high-entropy alloys (HEAs) were studied. The results show that the dendrite phase with a body-centered-cubic (bcc) structure transforms into the interdendrite phase with a...
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| Veröffentlicht in: | Acta metallurgica sinica : English letters 2013-06, Vol.26 (3), p.277-284 |
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| container_title | Acta metallurgica sinica : English letters |
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| creator | Wang, Yinfeng Ma, Shengguo Chen, Xiaohua Shi, Juyan Zhang, Yong Qiao, Junwei |
| description | The effects of Ti addtions and the heat treatment on the mechanical properties of AlCoCrFeNiTi(x) (x = 0, 0.2, 0.3, 0.4 and 0.5) high-entropy alloys (HEAs) were studied. The results show that the dendrite phase with a body-centered-cubic (bcc) structure transforms into the interdendrite phase with a new bcc structure. With the increase of the Ti contents and heat-treatment temperature, the average hardness and yield strengths are greatly improved, and the highest hardness and yielding strength are 583 HV and 2.07 GPa, respectively in the investigated HEA system. The as-cast and annealed HEAs exhibit excellent mechanical properties, combining with high yielding strength and plasticity. The solid solution strengthening mechanism of Ti additions is responsible for the strengthening effect of AICoCrFeNiTi(x) HEAs. |
| doi_str_mv | 10.1007/s40195-012-0174-5 |
| format | Article |
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The results show that the dendrite phase with a body-centered-cubic (bcc) structure transforms into the interdendrite phase with a new bcc structure. With the increase of the Ti contents and heat-treatment temperature, the average hardness and yield strengths are greatly improved, and the highest hardness and yielding strength are 583 HV and 2.07 GPa, respectively in the investigated HEA system. The as-cast and annealed HEAs exhibit excellent mechanical properties, combining with high yielding strength and plasticity. The solid solution strengthening mechanism of Ti additions is responsible for the strengthening effect of AICoCrFeNiTi(x) HEAs.</description><identifier>ISSN: 1006-7191</identifier><identifier>DOI: 10.1007/s40195-012-0174-5</identifier><language>eng</language><subject>Alloys ; Body centered cubic lattice ; Hardness ; Heat treatment ; Mechanical properties ; Solution strengthening ; Strengthening ; Titanium</subject><ispartof>Acta metallurgica sinica : English letters, 2013-06, Vol.26 (3), p.277-284</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925,33745,64387</link.rule.ids></links><search><creatorcontrib>Wang, Yinfeng</creatorcontrib><creatorcontrib>Ma, Shengguo</creatorcontrib><creatorcontrib>Chen, Xiaohua</creatorcontrib><creatorcontrib>Shi, Juyan</creatorcontrib><creatorcontrib>Zhang, Yong</creatorcontrib><creatorcontrib>Qiao, Junwei</creatorcontrib><title>Optimizing Mechanical Properties of AlCoCrFeNiTi(x) High-Entropy Alloys by Tailoring Microstructures</title><title>Acta metallurgica sinica : English letters</title><description>The effects of Ti addtions and the heat treatment on the mechanical properties of AlCoCrFeNiTi(x) (x = 0, 0.2, 0.3, 0.4 and 0.5) high-entropy alloys (HEAs) were studied. The results show that the dendrite phase with a body-centered-cubic (bcc) structure transforms into the interdendrite phase with a new bcc structure. With the increase of the Ti contents and heat-treatment temperature, the average hardness and yield strengths are greatly improved, and the highest hardness and yielding strength are 583 HV and 2.07 GPa, respectively in the investigated HEA system. The as-cast and annealed HEAs exhibit excellent mechanical properties, combining with high yielding strength and plasticity. The solid solution strengthening mechanism of Ti additions is responsible for the strengthening effect of AICoCrFeNiTi(x) HEAs.</description><subject>Alloys</subject><subject>Body centered cubic lattice</subject><subject>Hardness</subject><subject>Heat treatment</subject><subject>Mechanical properties</subject><subject>Solution strengthening</subject><subject>Strengthening</subject><subject>Titanium</subject><issn>1006-7191</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqVjL1OAzEQhF2ARPh5ADqXoTB4gx3rSnRKlIZAcX1kzCZZ5JwPr0_ieHosxAtQjEaj79MIcQv6HrR2D2w0NFZpWNQ4o-yZmFWwVA4auBCXzB91LYx1M_H-MhQ60Tf1B_mM4eh7Cj7K15wGzIWQZdrLp9imNq9xSx3Nv-7khg5HtepLlaYKY5pYvk2y8xRT_n2ikBOXPIYyZuRrcb73kfHmr6_EfL3q2o0acvockcvuRBwwRt9jGnkHSwcGrG3M4z_UH3EiTw8</recordid><startdate>20130601</startdate><enddate>20130601</enddate><creator>Wang, Yinfeng</creator><creator>Ma, Shengguo</creator><creator>Chen, Xiaohua</creator><creator>Shi, Juyan</creator><creator>Zhang, Yong</creator><creator>Qiao, Junwei</creator><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20130601</creationdate><title>Optimizing Mechanical Properties of AlCoCrFeNiTi(x) High-Entropy Alloys by Tailoring Microstructures</title><author>Wang, Yinfeng ; Ma, Shengguo ; Chen, Xiaohua ; Shi, Juyan ; Zhang, Yong ; Qiao, Junwei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_16714155943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Alloys</topic><topic>Body centered cubic lattice</topic><topic>Hardness</topic><topic>Heat treatment</topic><topic>Mechanical properties</topic><topic>Solution strengthening</topic><topic>Strengthening</topic><topic>Titanium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yinfeng</creatorcontrib><creatorcontrib>Ma, Shengguo</creatorcontrib><creatorcontrib>Chen, Xiaohua</creatorcontrib><creatorcontrib>Shi, Juyan</creatorcontrib><creatorcontrib>Zhang, Yong</creatorcontrib><creatorcontrib>Qiao, Junwei</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Acta metallurgica sinica : English letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Yinfeng</au><au>Ma, Shengguo</au><au>Chen, Xiaohua</au><au>Shi, Juyan</au><au>Zhang, Yong</au><au>Qiao, Junwei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimizing Mechanical Properties of AlCoCrFeNiTi(x) High-Entropy Alloys by Tailoring Microstructures</atitle><jtitle>Acta metallurgica sinica : English letters</jtitle><date>2013-06-01</date><risdate>2013</risdate><volume>26</volume><issue>3</issue><spage>277</spage><epage>284</epage><pages>277-284</pages><issn>1006-7191</issn><abstract>The effects of Ti addtions and the heat treatment on the mechanical properties of AlCoCrFeNiTi(x) (x = 0, 0.2, 0.3, 0.4 and 0.5) high-entropy alloys (HEAs) were studied. The results show that the dendrite phase with a body-centered-cubic (bcc) structure transforms into the interdendrite phase with a new bcc structure. With the increase of the Ti contents and heat-treatment temperature, the average hardness and yield strengths are greatly improved, and the highest hardness and yielding strength are 583 HV and 2.07 GPa, respectively in the investigated HEA system. The as-cast and annealed HEAs exhibit excellent mechanical properties, combining with high yielding strength and plasticity. The solid solution strengthening mechanism of Ti additions is responsible for the strengthening effect of AICoCrFeNiTi(x) HEAs.</abstract><doi>10.1007/s40195-012-0174-5</doi></addata></record> |
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| ispartof | Acta metallurgica sinica : English letters, 2013-06, Vol.26 (3), p.277-284 |
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| subjects | Alloys Body centered cubic lattice Hardness Heat treatment Mechanical properties Solution strengthening Strengthening Titanium |
| title | Optimizing Mechanical Properties of AlCoCrFeNiTi(x) High-Entropy Alloys by Tailoring Microstructures |
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