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Oxidation behavior of a refractory NbCrMo0.5Ta0.5TiZr alloy
Isothermal oxidation behavior of a refractory high-entropy NbCrMo 0.5 Ta 0.5 TiZr alloy was studied during heating at 1273 K for 100 h in flowing air. Continuous weight gain occurred during oxidation, and the time dependence of the weight gain per unit surface area was described by a parabolic depen...
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| Published in: | Journal of materials science 2012-09, Vol.47 (18), p.6522-6534 |
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| cites | cdi_FETCH-LOGICAL-c345t-fb619a5756f78f2833f395f8f1b517bb6193d81841b5fe80caef54731cacfcc3 |
| container_end_page | 6534 |
| container_issue | 18 |
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| container_title | Journal of materials science |
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| creator | Senkov, O. N. Senkova, S. V. Dimiduk, D. M. Woodward, C. Miracle, D. B. |
| description | Isothermal oxidation behavior of a refractory high-entropy NbCrMo
0.5
Ta
0.5
TiZr alloy was studied during heating at 1273 K for 100 h in flowing air. Continuous weight gain occurred during oxidation, and the time dependence of the weight gain per unit surface area was described by a parabolic dependence with the time exponent
n
= 0.6. X-ray diffraction and scanning electron microscopy accompanied by energy-dispersive X-ray spectroscopy showed that the continuous oxide scale was made of complex oxides and only local (on the submicron levels) redistribution of the alloying elements occurred during oxidation. The alloy has a better combination of mechanical properties and oxidation resistance than commercial Nb alloys and earlier reported developmental Nb–Si–Al–Ti and Nb–Si–Mo alloys. |
| doi_str_mv | 10.1007/s10853-012-6582-0 |
| format | article |
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0.5
Ta
0.5
TiZr alloy was studied during heating at 1273 K for 100 h in flowing air. Continuous weight gain occurred during oxidation, and the time dependence of the weight gain per unit surface area was described by a parabolic dependence with the time exponent
n
= 0.6. X-ray diffraction and scanning electron microscopy accompanied by energy-dispersive X-ray spectroscopy showed that the continuous oxide scale was made of complex oxides and only local (on the submicron levels) redistribution of the alloying elements occurred during oxidation. The alloy has a better combination of mechanical properties and oxidation resistance than commercial Nb alloys and earlier reported developmental Nb–Si–Al–Ti and Nb–Si–Mo alloys.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-012-6582-0</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Alloy development ; Alloying elements ; Alloys ; Aluminum ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Crystallography and Scattering Methods ; Energy dispersive X ray spectroscopy ; Gain ; Materials Science ; Mechanical properties ; Molybdenum ; Niobium base alloys ; Oxidation ; Oxidation resistance ; Oxides ; Polymer Sciences ; Refractories ; Refractory materials ; Scale (corrosion) ; Scanning electron microscopy ; Silicon ; Solid Mechanics ; Time dependence ; Titanium ; Weight ; X-rays</subject><ispartof>Journal of materials science, 2012-09, Vol.47 (18), p.6522-6534</ispartof><rights>Springer Science+Business Media, LLC 2012</rights><rights>Journal of Materials Science is a copyright of Springer, (2012). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-fb619a5756f78f2833f395f8f1b517bb6193d81841b5fe80caef54731cacfcc3</citedby><cites>FETCH-LOGICAL-c345t-fb619a5756f78f2833f395f8f1b517bb6193d81841b5fe80caef54731cacfcc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27900,27901</link.rule.ids></links><search><creatorcontrib>Senkov, O. N.</creatorcontrib><creatorcontrib>Senkova, S. V.</creatorcontrib><creatorcontrib>Dimiduk, D. M.</creatorcontrib><creatorcontrib>Woodward, C.</creatorcontrib><creatorcontrib>Miracle, D. B.</creatorcontrib><title>Oxidation behavior of a refractory NbCrMo0.5Ta0.5TiZr alloy</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>Isothermal oxidation behavior of a refractory high-entropy NbCrMo
0.5
Ta
0.5
TiZr alloy was studied during heating at 1273 K for 100 h in flowing air. Continuous weight gain occurred during oxidation, and the time dependence of the weight gain per unit surface area was described by a parabolic dependence with the time exponent
n
= 0.6. X-ray diffraction and scanning electron microscopy accompanied by energy-dispersive X-ray spectroscopy showed that the continuous oxide scale was made of complex oxides and only local (on the submicron levels) redistribution of the alloying elements occurred during oxidation. The alloy has a better combination of mechanical properties and oxidation resistance than commercial Nb alloys and earlier reported developmental Nb–Si–Al–Ti and Nb–Si–Mo alloys.</description><subject>Alloy development</subject><subject>Alloying elements</subject><subject>Alloys</subject><subject>Aluminum</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Crystallography and Scattering Methods</subject><subject>Energy dispersive X ray spectroscopy</subject><subject>Gain</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Molybdenum</subject><subject>Niobium base alloys</subject><subject>Oxidation</subject><subject>Oxidation resistance</subject><subject>Oxides</subject><subject>Polymer Sciences</subject><subject>Refractories</subject><subject>Refractory materials</subject><subject>Scale (corrosion)</subject><subject>Scanning electron microscopy</subject><subject>Silicon</subject><subject>Solid Mechanics</subject><subject>Time dependence</subject><subject>Titanium</subject><subject>Weight</subject><subject>X-rays</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LxDAQxYMouK5-AG8FL166TpJOk-JJFv-Bupc9eQlpNtEu3WZNuuJ-e1MqCIKXGYb5zWPeI-ScwowCiKtIQSLPgbK8RMlyOCATioLnhQR-SCYAjOWsKOkxOYlxDQAoGJ2Q68VXs9J947ustu_6s_Eh8y7TWbAuaNP7sM9e6nl49jDDpR5K8xoy3bZ-f0qOnG6jPfvpU7K8u13OH_Knxf3j_OYpN7zAPnd1SSuNAksnpGOSc8crdNLRGqmohy1fSSqLNDsrwWjrsBCcGm2cMXxKLkfZbfAfOxt7tWmisW2rO-t3USXnjDFalZDQiz_o2u9Cl55TjGEleImIiaIjZYKPMRlV29BsdNgnKTWkqcY0VUpTDWmqQZmNNzGx3ZsNv8r_H30DclV0zA</recordid><startdate>20120901</startdate><enddate>20120901</enddate><creator>Senkov, O. 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M. ; Woodward, C. ; Miracle, D. 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N.</au><au>Senkova, S. V.</au><au>Dimiduk, D. M.</au><au>Woodward, C.</au><au>Miracle, D. B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxidation behavior of a refractory NbCrMo0.5Ta0.5TiZr alloy</atitle><jtitle>Journal of materials science</jtitle><stitle>J Mater Sci</stitle><date>2012-09-01</date><risdate>2012</risdate><volume>47</volume><issue>18</issue><spage>6522</spage><epage>6534</epage><pages>6522-6534</pages><issn>0022-2461</issn><eissn>1573-4803</eissn><abstract>Isothermal oxidation behavior of a refractory high-entropy NbCrMo
0.5
Ta
0.5
TiZr alloy was studied during heating at 1273 K for 100 h in flowing air. Continuous weight gain occurred during oxidation, and the time dependence of the weight gain per unit surface area was described by a parabolic dependence with the time exponent
n
= 0.6. X-ray diffraction and scanning electron microscopy accompanied by energy-dispersive X-ray spectroscopy showed that the continuous oxide scale was made of complex oxides and only local (on the submicron levels) redistribution of the alloying elements occurred during oxidation. The alloy has a better combination of mechanical properties and oxidation resistance than commercial Nb alloys and earlier reported developmental Nb–Si–Al–Ti and Nb–Si–Mo alloys.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10853-012-6582-0</doi><tpages>13</tpages></addata></record> |
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| issn | 0022-2461 1573-4803 |
| language | eng |
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| source | Springer Nature |
| subjects | Alloy development Alloying elements Alloys Aluminum Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Crystallography and Scattering Methods Energy dispersive X ray spectroscopy Gain Materials Science Mechanical properties Molybdenum Niobium base alloys Oxidation Oxidation resistance Oxides Polymer Sciences Refractories Refractory materials Scale (corrosion) Scanning electron microscopy Silicon Solid Mechanics Time dependence Titanium Weight X-rays |
| title | Oxidation behavior of a refractory NbCrMo0.5Ta0.5TiZr alloy |
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