Isothermal corrosion （γ＇＋γ） Ni3Al alloy in liquid zinc
The isothermal corrosion testing and microscopic examination of Ni3Al alloy in liquid zinc containing small amounts of aluminum （mass fraction less than 0.2%） at 450℃ were carried out. The results show that the controlling mechanism of the dissolution reaction is diffusion through a boundary layer i...
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| Veröffentlicht in: | Transactions of Nonferrous Metals Society of China 2006, Vol.16 (A02), p.206-210 |
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| creator | 王文俊 林均品 王艳丽 陈国良 |
| description | The isothermal corrosion testing and microscopic examination of Ni3Al alloy in liquid zinc containing small amounts of aluminum （mass fraction less than 0.2%） at 450℃ were carried out. The results show that the controlling mechanism of the dissolution reaction is diffusion through a boundary layer into liquid zinc. For two-phase alloy, Ni3Al alloy （γ＇＋γ）, the interface between dissolving solid and liquid remains remarkably planar and the difference in dissolution of the two adjacent phases （γ＇＋γ） can not be experimentally observed. The boundaries between y＇ phase and y phase play no perceptible role in the dissolution of Ni3Al alloy in liquid zinc. The X-ray diffi＇action spectra of the diffusion layer confirm the presence of Ni5Zn21. The corrosion rate of the Ni3Al alloy in molten zinc was calculated to be approximately 2.6×10^-3 g/（cm^2·h）, therefore the liquid zinc corrosion resistance of Ni3Al alloy is very weak. |
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The results show that the controlling mechanism of the dissolution reaction is diffusion through a boundary layer into liquid zinc. For two-phase alloy, Ni3Al alloy （γ＇＋γ）, the interface between dissolving solid and liquid remains remarkably planar and the difference in dissolution of the two adjacent phases （γ＇＋γ） can not be experimentally observed. The boundaries between y＇ phase and y phase play no perceptible role in the dissolution of Ni3Al alloy in liquid zinc. The X-ray diffi＇action spectra of the diffusion layer confirm the presence of Ni5Zn21. The corrosion rate of the Ni3Al alloy in molten zinc was calculated to be approximately 2.6×10^-3 g/（cm^2·h）, therefore the liquid zinc corrosion resistance of Ni3Al alloy is very weak.</description><identifier>ISSN: 1003-6326</identifier><language>eng</language><subject>Ni3Al合金 ; 液锌腐蚀 ; 热浸镀锌 ; 等温腐蚀 ; 金属间化合物</subject><ispartof>Transactions of Nonferrous Metals Society of China, 2006, Vol.16 (A02), p.206-210</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>314,780,784,4022</link.rule.ids></links><search><creatorcontrib>王文俊 林均品 王艳丽 陈国良</creatorcontrib><title>Isothermal corrosion （γ＇＋γ） Ni3Al alloy in liquid zinc</title><title>Transactions of Nonferrous Metals Society of China</title><addtitle>Transactions of Nonferrous Metals Society of China</addtitle><description>The isothermal corrosion testing and microscopic examination of Ni3Al alloy in liquid zinc containing small amounts of aluminum （mass fraction less than 0.2%） at 450℃ were carried out. The results show that the controlling mechanism of the dissolution reaction is diffusion through a boundary layer into liquid zinc. For two-phase alloy, Ni3Al alloy （γ＇＋γ）, the interface between dissolving solid and liquid remains remarkably planar and the difference in dissolution of the two adjacent phases （γ＇＋γ） can not be experimentally observed. The boundaries between y＇ phase and y phase play no perceptible role in the dissolution of Ni3Al alloy in liquid zinc. The X-ray diffi＇action spectra of the diffusion layer confirm the presence of Ni5Zn21. The corrosion rate of the Ni3Al alloy in molten zinc was calculated to be approximately 2.6×10^-3 g/（cm^2·h）, therefore the liquid zinc corrosion resistance of Ni3Al alloy is very weak.</description><subject>Ni3Al合金</subject><subject>液锌腐蚀</subject><subject>热浸镀锌</subject><subject>等温腐蚀</subject><subject>金属间化合物</subject><issn>1003-6326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNpjYeA0NDAw1jUzNjLjYOAqLs4yMDAxMTMz5GRw8CzOL8lILcpNzFFIzi8qyi_OzM9TeL-n49zm93va3-_pBtGdCn6Zxo45Cok5OfmVCpl5CjmZhaWZKQpVmXnJPAysaYk5xam8UJqbQcnNNcTZQzc5Iz8vvTAzLz0-KTE5Oy0zJzXeyNjcyMTQwNyYKEUAB4c9Bw</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>王文俊 林均品 王艳丽 陈国良</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope></search><sort><creationdate>2006</creationdate><title>Isothermal corrosion （γ＇＋γ） Ni3Al alloy in liquid zinc</title><author>王文俊 林均品 王艳丽 陈国良</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-chongqing_backfile_237241073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Ni3Al合金</topic><topic>液锌腐蚀</topic><topic>热浸镀锌</topic><topic>等温腐蚀</topic><topic>金属间化合物</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>王文俊 林均品 王艳丽 陈国良</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>Transactions of Nonferrous Metals Society of China</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>王文俊 林均品 王艳丽 陈国良</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Isothermal corrosion （γ＇＋γ） Ni3Al alloy in liquid zinc</atitle><jtitle>Transactions of Nonferrous Metals Society of China</jtitle><addtitle>Transactions of Nonferrous Metals Society of China</addtitle><date>2006</date><risdate>2006</risdate><volume>16</volume><issue>A02</issue><spage>206</spage><epage>210</epage><pages>206-210</pages><issn>1003-6326</issn><abstract>The isothermal corrosion testing and microscopic examination of Ni3Al alloy in liquid zinc containing small amounts of aluminum （mass fraction less than 0.2%） at 450℃ were carried out. The results show that the controlling mechanism of the dissolution reaction is diffusion through a boundary layer into liquid zinc. For two-phase alloy, Ni3Al alloy （γ＇＋γ）, the interface between dissolving solid and liquid remains remarkably planar and the difference in dissolution of the two adjacent phases （γ＇＋γ） can not be experimentally observed. The boundaries between y＇ phase and y phase play no perceptible role in the dissolution of Ni3Al alloy in liquid zinc. The X-ray diffi＇action spectra of the diffusion layer confirm the presence of Ni5Zn21. The corrosion rate of the Ni3Al alloy in molten zinc was calculated to be approximately 2.6×10^-3 g/（cm^2·h）, therefore the liquid zinc corrosion resistance of Ni3Al alloy is very weak.</abstract></addata></record> |
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| identifier | ISSN: 1003-6326 |
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| issn | 1003-6326 |
| language | eng |
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| subjects | Ni3Al合金 液锌腐蚀 热浸镀锌 等温腐蚀 金属间化合物 |
| title | Isothermal corrosion （γ＇＋γ） Ni3Al alloy in liquid zinc |
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