Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides
We consider a new method for the preparation of refractory high-entropy alloys (HEAs) AlTiZrVNb, which consists in the joint aluminothermic reduction of metals from their oxides. It was determined that V and Nb undergo reduction to a greater extent, and about 90% of their amounts transfer into the m...
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| Veröffentlicht in: | Russian chemical bulletin 2023-04, Vol.72 (4), p.895-901 |
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| creator | Zhilina, E. M. Russkih, A. S. Osinkina, T. V. Ignatieva, E. V. Petrova, S. A. Krasikov, S. A. Dolmatov, A. V. Rempel, A. A. |
| description | We consider a new method for the preparation of refractory high-entropy alloys (HEAs) AlTiZrVNb, which consists in the joint aluminothermic reduction of metals from their oxides. It was determined that V and Nb undergo reduction to a greater extent, and about 90% of their amounts transfer into the metal phase. Metals Ti and Zr undergo reduction to a lesser extent, with 76 and 50% of their amounts transitioning into the metal phase, respectively. The obtained alloy has a multiphase structure consisting of C14 Laves phases, Zr
5
Al
3
-type phases, and a B2-type ordered phase, which plays the role of a matrix. The microhardness of the alloy is 6.37 GPa, which is similar to the values of refractory HEAs. The structure of the obtained alloy has a similar structure throughout its bulk, namely, coarse-grained with a number of pores, partly filled with non-metallic inclusions of aluminum oxide. |
| doi_str_mv | 10.1007/s11172-023-3852-7 |
| format | Article |
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5
Al
3
-type phases, and a B2-type ordered phase, which plays the role of a matrix. The microhardness of the alloy is 6.37 GPa, which is similar to the values of refractory HEAs. The structure of the obtained alloy has a similar structure throughout its bulk, namely, coarse-grained with a number of pores, partly filled with non-metallic inclusions of aluminum oxide.</description><identifier>ISSN: 1066-5285</identifier><identifier>EISSN: 1573-9171</identifier><identifier>DOI: 10.1007/s11172-023-3852-7</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Aluminothermic reduction ; Aluminum oxide ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Full Articles ; High entropy alloys ; Inorganic Chemistry ; Laves phase ; Metal oxides ; Microhardness ; Nonmetallic inclusions ; Organic Chemistry ; Reduction (metal working) ; Titanium ; Zirconium</subject><ispartof>Russian chemical bulletin, 2023-04, Vol.72 (4), p.895-901</ispartof><rights>Springer Science+Business Media LLC 2023</rights><rights>Springer Science+Business Media LLC 2023.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c268t-38db7ab6d6dd59508b8ea03f60c3dcf20d413303f00f1d2a8311ae6336d0bc8e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11172-023-3852-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11172-023-3852-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Zhilina, E. M.</creatorcontrib><creatorcontrib>Russkih, A. S.</creatorcontrib><creatorcontrib>Osinkina, T. V.</creatorcontrib><creatorcontrib>Ignatieva, E. V.</creatorcontrib><creatorcontrib>Petrova, S. A.</creatorcontrib><creatorcontrib>Krasikov, S. A.</creatorcontrib><creatorcontrib>Dolmatov, A. V.</creatorcontrib><creatorcontrib>Rempel, A. A.</creatorcontrib><title>Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides</title><title>Russian chemical bulletin</title><addtitle>Russ Chem Bull</addtitle><description>We consider a new method for the preparation of refractory high-entropy alloys (HEAs) AlTiZrVNb, which consists in the joint aluminothermic reduction of metals from their oxides. It was determined that V and Nb undergo reduction to a greater extent, and about 90% of their amounts transfer into the metal phase. Metals Ti and Zr undergo reduction to a lesser extent, with 76 and 50% of their amounts transitioning into the metal phase, respectively. The obtained alloy has a multiphase structure consisting of C14 Laves phases, Zr
5
Al
3
-type phases, and a B2-type ordered phase, which plays the role of a matrix. The microhardness of the alloy is 6.37 GPa, which is similar to the values of refractory HEAs. The structure of the obtained alloy has a similar structure throughout its bulk, namely, coarse-grained with a number of pores, partly filled with non-metallic inclusions of aluminum oxide.</description><subject>Aluminothermic reduction</subject><subject>Aluminum oxide</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Full Articles</subject><subject>High entropy alloys</subject><subject>Inorganic Chemistry</subject><subject>Laves phase</subject><subject>Metal oxides</subject><subject>Microhardness</subject><subject>Nonmetallic inclusions</subject><subject>Organic Chemistry</subject><subject>Reduction (metal working)</subject><subject>Titanium</subject><subject>Zirconium</subject><issn>1066-5285</issn><issn>1573-9171</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LAzEQxYMoWKsfwFvAc3QmcbPpsRT_QVHB6sFLyG6ybcp2U5MtuN_elAqePM0wvDcz70fIJcI1ApQ3CRFLzoALJlTBWXlERliUgk2wxOPcg5Ss4Ko4JWcprQGAK6VG5O01pOQr3_p-oKGhoeqN73y3pNE10dR9iANd-eWKua6PYTvQabvwn_HjuaKmbcOQaBPDhm5cb1oavr116ZycNKZN7uK3jsn7_d1i9sjmLw9Ps-mc1VyqPv9pq9JU0kpri0kBqlLOgGgk1MLWDQd7i0LkAUCDlhslEI2TQkgLVa2cGJOrw95tDF87l3q9DrvY5ZOaK-QgOahJVuFBVcccNafS2-g3Jg4aQe_Z6QM7ndnpPTtdZg8_eFLWdksX_zb_b_oBSEVyKw</recordid><startdate>20230401</startdate><enddate>20230401</enddate><creator>Zhilina, E. M.</creator><creator>Russkih, A. S.</creator><creator>Osinkina, T. V.</creator><creator>Ignatieva, E. V.</creator><creator>Petrova, S. A.</creator><creator>Krasikov, S. A.</creator><creator>Dolmatov, A. V.</creator><creator>Rempel, A. A.</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20230401</creationdate><title>Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides</title><author>Zhilina, E. M. ; Russkih, A. S. ; Osinkina, T. V. ; Ignatieva, E. V. ; Petrova, S. A. ; Krasikov, S. A. ; Dolmatov, A. V. ; Rempel, A. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c268t-38db7ab6d6dd59508b8ea03f60c3dcf20d413303f00f1d2a8311ae6336d0bc8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Aluminothermic reduction</topic><topic>Aluminum oxide</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Full Articles</topic><topic>High entropy alloys</topic><topic>Inorganic Chemistry</topic><topic>Laves phase</topic><topic>Metal oxides</topic><topic>Microhardness</topic><topic>Nonmetallic inclusions</topic><topic>Organic Chemistry</topic><topic>Reduction (metal working)</topic><topic>Titanium</topic><topic>Zirconium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhilina, E. M.</creatorcontrib><creatorcontrib>Russkih, A. S.</creatorcontrib><creatorcontrib>Osinkina, T. V.</creatorcontrib><creatorcontrib>Ignatieva, E. V.</creatorcontrib><creatorcontrib>Petrova, S. A.</creatorcontrib><creatorcontrib>Krasikov, S. A.</creatorcontrib><creatorcontrib>Dolmatov, A. V.</creatorcontrib><creatorcontrib>Rempel, A. A.</creatorcontrib><collection>CrossRef</collection><jtitle>Russian chemical bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhilina, E. M.</au><au>Russkih, A. S.</au><au>Osinkina, T. V.</au><au>Ignatieva, E. V.</au><au>Petrova, S. A.</au><au>Krasikov, S. A.</au><au>Dolmatov, A. V.</au><au>Rempel, A. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides</atitle><jtitle>Russian chemical bulletin</jtitle><stitle>Russ Chem Bull</stitle><date>2023-04-01</date><risdate>2023</risdate><volume>72</volume><issue>4</issue><spage>895</spage><epage>901</epage><pages>895-901</pages><issn>1066-5285</issn><eissn>1573-9171</eissn><abstract>We consider a new method for the preparation of refractory high-entropy alloys (HEAs) AlTiZrVNb, which consists in the joint aluminothermic reduction of metals from their oxides. It was determined that V and Nb undergo reduction to a greater extent, and about 90% of their amounts transfer into the metal phase. Metals Ti and Zr undergo reduction to a lesser extent, with 76 and 50% of their amounts transitioning into the metal phase, respectively. The obtained alloy has a multiphase structure consisting of C14 Laves phases, Zr
5
Al
3
-type phases, and a B2-type ordered phase, which plays the role of a matrix. The microhardness of the alloy is 6.37 GPa, which is similar to the values of refractory HEAs. The structure of the obtained alloy has a similar structure throughout its bulk, namely, coarse-grained with a number of pores, partly filled with non-metallic inclusions of aluminum oxide.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11172-023-3852-7</doi><tpages>7</tpages></addata></record> |
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| subjects | Aluminothermic reduction Aluminum oxide Chemistry Chemistry and Materials Science Chemistry/Food Science Full Articles High entropy alloys Inorganic Chemistry Laves phase Metal oxides Microhardness Nonmetallic inclusions Organic Chemistry Reduction (metal working) Titanium Zirconium |
| title | Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides |
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