Crystallization of Eutectic Structures in the LaB6–W2B5–NbB2 System
Crystallized alloys in the LaB 6 –W 2 B 5 –NbB 2 system are obtained by melting in an electric arc discharge and rapid cooling in an inert gas (Ar) flow. The characteristic eutectic structures of the lamellar and rod types are investigated using scanning electron microscopy. Using X-ray phase and X-...
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| Veröffentlicht in: | Glass physics and chemistry 2022-02, Vol.48 (1), p.23-29 |
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| creator | Nesmelov, D. D. Novoselov, E. S. Vikhman, S. V. |
| description | Crystallized alloys in the LaB
6
–W
2
B
5
–NbB
2
system are obtained by melting in an electric arc discharge and rapid cooling in an inert gas (Ar) flow. The characteristic eutectic structures of the lamellar and rod types are investigated using scanning electron microscopy. Using X-ray phase and X-ray structural analysis, it is found that the phase composition of crystallized objects is represented by lanthanum hexaboride, an α-solid solution (W
x
Nb
1
– x
)
2
B
5
and β-solid solution (Nb
x
W
1
– x
)B
2
. An assumption is made about the existence of a ternary phase in the Nb–W–B system, which is close to the composition of Nb
0.5
W
0.5
B
4
. The concentrations of the components in the eutectic regions are determined by the methods of X-ray spectral microanalysis and statistical analysis of the area of the phase components. |
| doi_str_mv | 10.1134/S1087659622010096 |
| format | Article |
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6
–W
2
B
5
–NbB
2
system are obtained by melting in an electric arc discharge and rapid cooling in an inert gas (Ar) flow. The characteristic eutectic structures of the lamellar and rod types are investigated using scanning electron microscopy. Using X-ray phase and X-ray structural analysis, it is found that the phase composition of crystallized objects is represented by lanthanum hexaboride, an α-solid solution (W
x
Nb
1
– x
)
2
B
5
and β-solid solution (Nb
x
W
1
– x
)B
2
. An assumption is made about the existence of a ternary phase in the Nb–W–B system, which is close to the composition of Nb
0.5
W
0.5
B
4
. The concentrations of the components in the eutectic regions are determined by the methods of X-ray spectral microanalysis and statistical analysis of the area of the phase components.</description><identifier>ISSN: 1087-6596</identifier><identifier>EISSN: 1608-313X</identifier><identifier>DOI: 10.1134/S1087659622010096</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Composites ; Crystallization ; Electric arcs ; Eutectic composition ; Glass ; Lamellar structure ; Lanthanum ; Materials Science ; Natural Materials ; Phase composition ; Physical Chemistry ; Rare gases ; Solid solutions ; Statistical analysis ; Structural analysis ; Ternary systems ; X ray spectra</subject><ispartof>Glass physics and chemistry, 2022-02, Vol.48 (1), p.23-29</ispartof><rights>Pleiades Publishing, Ltd. 2022. ISSN 1087-6596, Glass Physics and Chemistry, 2022, Vol. 48, No. 1, pp. 23–29. © Pleiades Publishing, Ltd., 2022. Russian Text © The Author(s), 2022, published in Fizika i Khimiya Stekla.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c246t-9a7d832e2e661eaaebaea9f93628b904007702ff7f17823400762fdef3c24aa83</citedby><cites>FETCH-LOGICAL-c246t-9a7d832e2e661eaaebaea9f93628b904007702ff7f17823400762fdef3c24aa83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1087659622010096$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1087659622010096$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids></links><search><creatorcontrib>Nesmelov, D. D.</creatorcontrib><creatorcontrib>Novoselov, E. S.</creatorcontrib><creatorcontrib>Vikhman, S. V.</creatorcontrib><title>Crystallization of Eutectic Structures in the LaB6–W2B5–NbB2 System</title><title>Glass physics and chemistry</title><addtitle>Glass Phys Chem</addtitle><description>Crystallized alloys in the LaB
6
–W
2
B
5
–NbB
2
system are obtained by melting in an electric arc discharge and rapid cooling in an inert gas (Ar) flow. The characteristic eutectic structures of the lamellar and rod types are investigated using scanning electron microscopy. Using X-ray phase and X-ray structural analysis, it is found that the phase composition of crystallized objects is represented by lanthanum hexaboride, an α-solid solution (W
x
Nb
1
– x
)
2
B
5
and β-solid solution (Nb
x
W
1
– x
)B
2
. An assumption is made about the existence of a ternary phase in the Nb–W–B system, which is close to the composition of Nb
0.5
W
0.5
B
4
. The concentrations of the components in the eutectic regions are determined by the methods of X-ray spectral microanalysis and statistical analysis of the area of the phase components.</description><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Crystallization</subject><subject>Electric arcs</subject><subject>Eutectic composition</subject><subject>Glass</subject><subject>Lamellar structure</subject><subject>Lanthanum</subject><subject>Materials Science</subject><subject>Natural Materials</subject><subject>Phase composition</subject><subject>Physical Chemistry</subject><subject>Rare gases</subject><subject>Solid solutions</subject><subject>Statistical analysis</subject><subject>Structural analysis</subject><subject>Ternary systems</subject><subject>X ray spectra</subject><issn>1087-6596</issn><issn>1608-313X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kMFKAzEQhoMoWKsP4C3geXUy2Saboy1ahaKHKnpb0u1Et7S7Ncke6sl38A19ElMqeBBPM8P_f__Az9ipgHMhZH4xFVBoNTAKEQSAUXusJxQUmRTyeT_tSc62-iE7CmEByaJ13mPjkd-EaJfL-t3Gum146_hVF6mKdcWn0XdV7DwFXjc8vhKf2KH6-vh8wuEgjbvZEPk08bQ6ZgfOLgOd_Mw-e7y-ehjdZJP78e3ocpJVmKuYGavnhURCUkqQtTSzZI0zUmExM5ADaA3onHZCFyi3t0I3JycTb20h--xsl7v27VtHIZaLtvNNelmiyg0aHIBILrFzVb4NwZMr175eWb8pBZTbvso_fSUGd0xI3uaF_G_y_9A3C5Rskg</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Nesmelov, D. D.</creator><creator>Novoselov, E. S.</creator><creator>Vikhman, S. V.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20220201</creationdate><title>Crystallization of Eutectic Structures in the LaB6–W2B5–NbB2 System</title><author>Nesmelov, D. D. ; Novoselov, E. S. ; Vikhman, S. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c246t-9a7d832e2e661eaaebaea9f93628b904007702ff7f17823400762fdef3c24aa83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Crystallization</topic><topic>Electric arcs</topic><topic>Eutectic composition</topic><topic>Glass</topic><topic>Lamellar structure</topic><topic>Lanthanum</topic><topic>Materials Science</topic><topic>Natural Materials</topic><topic>Phase composition</topic><topic>Physical Chemistry</topic><topic>Rare gases</topic><topic>Solid solutions</topic><topic>Statistical analysis</topic><topic>Structural analysis</topic><topic>Ternary systems</topic><topic>X ray spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nesmelov, D. D.</creatorcontrib><creatorcontrib>Novoselov, E. S.</creatorcontrib><creatorcontrib>Vikhman, S. V.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Glass physics and chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nesmelov, D. D.</au><au>Novoselov, E. S.</au><au>Vikhman, S. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Crystallization of Eutectic Structures in the LaB6–W2B5–NbB2 System</atitle><jtitle>Glass physics and chemistry</jtitle><stitle>Glass Phys Chem</stitle><date>2022-02-01</date><risdate>2022</risdate><volume>48</volume><issue>1</issue><spage>23</spage><epage>29</epage><pages>23-29</pages><issn>1087-6596</issn><eissn>1608-313X</eissn><abstract>Crystallized alloys in the LaB
6
–W
2
B
5
–NbB
2
system are obtained by melting in an electric arc discharge and rapid cooling in an inert gas (Ar) flow. The characteristic eutectic structures of the lamellar and rod types are investigated using scanning electron microscopy. Using X-ray phase and X-ray structural analysis, it is found that the phase composition of crystallized objects is represented by lanthanum hexaboride, an α-solid solution (W
x
Nb
1
– x
)
2
B
5
and β-solid solution (Nb
x
W
1
– x
)B
2
. An assumption is made about the existence of a ternary phase in the Nb–W–B system, which is close to the composition of Nb
0.5
W
0.5
B
4
. The concentrations of the components in the eutectic regions are determined by the methods of X-ray spectral microanalysis and statistical analysis of the area of the phase components.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1087659622010096</doi><tpages>7</tpages></addata></record> |
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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Composites Crystallization Electric arcs Eutectic composition Glass Lamellar structure Lanthanum Materials Science Natural Materials Phase composition Physical Chemistry Rare gases Solid solutions Statistical analysis Structural analysis Ternary systems X ray spectra |
| title | Crystallization of Eutectic Structures in the LaB6–W2B5–NbB2 System |
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