Static oxidation behaviour of silicide coating on niobium alloy at high temperature
A silicide coating was prepared on the surface of the Nb521 alloy by the complex pack cemented method. The oxidation resistance properties of the present coating were exeamed by the static oxidation tests at 1 700 ℃in air. The compositions and the microstructures of the coating before and after test...
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| Veröffentlicht in: | Transactions of Nonferrous Metals Society of China 2007-11, Vol.17 (A02), p.760-765 |
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| container_issue | A02 |
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| container_title | Transactions of Nonferrous Metals Society of China |
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| creator | 肖来荣 许谅亮 易丹青 刘会群 蔡志刚 |
| description | A silicide coating was prepared on the surface of the Nb521 alloy by the complex pack cemented method. The oxidation resistance properties of the present coating were exeamed by the static oxidation tests at 1 700 ℃in air. The compositions and the microstructures of the coating before and after test were characterised and analysed through scanning electron microscopy （SEM）, X-ray diffraction analysis （XRD）, energy dispersive X-ray spectrometry （EDS） and electron probe microanalysis （EPMA）, respectively. The present silicide coating can provide an effective protection for the Nb alloy for 25 h at 1 700 ℃ in air. The results show that the oxidation kinetics of the present silicide coating is parabolic. The diffusion of Si leads to the phase transformation and evolution during the oxidation. |
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The oxidation resistance properties of the present coating were exeamed by the static oxidation tests at 1 700 ℃in air. The compositions and the microstructures of the coating before and after test were characterised and analysed through scanning electron microscopy （SEM）, X-ray diffraction analysis （XRD）, energy dispersive X-ray spectrometry （EDS） and electron probe microanalysis （EPMA）, respectively. The present silicide coating can provide an effective protection for the Nb alloy for 25 h at 1 700 ℃ in air. The results show that the oxidation kinetics of the present silicide coating is parabolic. The diffusion of Si leads to the phase transformation and evolution during the oxidation.</description><identifier>ISSN: 1003-6326</identifier><language>eng</language><subject>硅化物涂层 ; 铌合金 ; 静态氧化 ; 高温性能</subject><ispartof>Transactions of Nonferrous Metals Society of China, 2007-11, Vol.17 (A02), p.760-765</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85276X/85276X.jpg</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>肖来荣 许谅亮 易丹青 刘会群 蔡志刚</creatorcontrib><title>Static oxidation behaviour of silicide coating on niobium alloy at high temperature</title><title>Transactions of Nonferrous Metals Society of China</title><addtitle>Transactions of Nonferrous Metals Society of China</addtitle><description>A silicide coating was prepared on the surface of the Nb521 alloy by the complex pack cemented method. The oxidation resistance properties of the present coating were exeamed by the static oxidation tests at 1 700 ℃in air. The compositions and the microstructures of the coating before and after test were characterised and analysed through scanning electron microscopy （SEM）, X-ray diffraction analysis （XRD）, energy dispersive X-ray spectrometry （EDS） and electron probe microanalysis （EPMA）, respectively. The present silicide coating can provide an effective protection for the Nb alloy for 25 h at 1 700 ℃ in air. The results show that the oxidation kinetics of the present silicide coating is parabolic. 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The oxidation resistance properties of the present coating were exeamed by the static oxidation tests at 1 700 ℃in air. The compositions and the microstructures of the coating before and after test were characterised and analysed through scanning electron microscopy （SEM）, X-ray diffraction analysis （XRD）, energy dispersive X-ray spectrometry （EDS） and electron probe microanalysis （EPMA）, respectively. The present silicide coating can provide an effective protection for the Nb alloy for 25 h at 1 700 ℃ in air. The results show that the oxidation kinetics of the present silicide coating is parabolic. The diffusion of Si leads to the phase transformation and evolution during the oxidation.</abstract><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1003-6326 |
| ispartof | Transactions of Nonferrous Metals Society of China, 2007-11, Vol.17 (A02), p.760-765 |
| issn | 1003-6326 |
| language | eng |
| recordid | cdi_chongqing_backfile_25959272 |
| source | ScienceDirect Journals (5 years ago - present); Alma/SFX Local Collection |
| subjects | 硅化物涂层 铌合金 静态氧化 高温性能 |
| title | Static oxidation behaviour of silicide coating on niobium alloy at high temperature |
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