Effect of processing on stress-corrosion behavior of die-cast Mg–Al alloy
The effect of processing and microstructure on the stress-corrosion–creep behavior of die-cast rheoformed and conventional AZ91D Mg alloy was studied. Rheoformed alloy has a globular microstructure as compared with a dendritic microstructure of conventional die-cast Mg alloys. The rheoformed die-cas...
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| Veröffentlicht in: | Journal of materials processing technology 2008-11, Vol.208 (1), p.395-399 |
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| container_title | Journal of materials processing technology |
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| creator | Unigovski, Ya Gutman, E.M. Koren, Z. Rosenson, H. Hao, Y. Chen, T. |
| description | The effect of processing and microstructure on the stress-corrosion–creep behavior of die-cast rheoformed and conventional AZ91D Mg alloy was studied. Rheoformed alloy has a globular microstructure as compared with a dendritic microstructure of conventional die-cast Mg alloys. The rheoformed die-cast alloy was obtained by stirring the melt during the solidification in a spinning crucible at the casting temperature 580
°C, where the solid fraction amounted to about 40–60%. Due to the difference between the microstructure of Mg alloys produced by the two methods, the corrosion rate of rheoformed AZ91D alloy in the corrosive 0.9% NaCl and in the borate buffer solutions was significantly less than that of a conventional dendritic die-cast alloy.
Due to the delay of metal dissolution, creep life of anodized rheoformed alloy in 3% Na
2SO
4 solution was more than an order of magnitude longer than that of an uncoated alloy. |
| doi_str_mv | 10.1016/j.jmatprotec.2008.01.004 |
| format | Article |
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°C, where the solid fraction amounted to about 40–60%. Due to the difference between the microstructure of Mg alloys produced by the two methods, the corrosion rate of rheoformed AZ91D alloy in the corrosive 0.9% NaCl and in the borate buffer solutions was significantly less than that of a conventional dendritic die-cast alloy.
Due to the delay of metal dissolution, creep life of anodized rheoformed alloy in 3% Na
2SO
4 solution was more than an order of magnitude longer than that of an uncoated alloy.</description><identifier>ISSN: 0924-0136</identifier><identifier>DOI: 10.1016/j.jmatprotec.2008.01.004</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Anodizing ; Corrosion creep ; Corrosive solutions ; Rheoformed Mg alloy</subject><ispartof>Journal of materials processing technology, 2008-11, Vol.208 (1), p.395-399</ispartof><rights>2008 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c349t-f457c31ca53ce6e336081713470a8625981f039495cdbb87d6ac526d8240a6b33</citedby><cites>FETCH-LOGICAL-c349t-f457c31ca53ce6e336081713470a8625981f039495cdbb87d6ac526d8240a6b33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0924013608000587$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Unigovski, Ya</creatorcontrib><creatorcontrib>Gutman, E.M.</creatorcontrib><creatorcontrib>Koren, Z.</creatorcontrib><creatorcontrib>Rosenson, H.</creatorcontrib><creatorcontrib>Hao, Y.</creatorcontrib><creatorcontrib>Chen, T.</creatorcontrib><title>Effect of processing on stress-corrosion behavior of die-cast Mg–Al alloy</title><title>Journal of materials processing technology</title><description>The effect of processing and microstructure on the stress-corrosion–creep behavior of die-cast rheoformed and conventional AZ91D Mg alloy was studied. Rheoformed alloy has a globular microstructure as compared with a dendritic microstructure of conventional die-cast Mg alloys. The rheoformed die-cast alloy was obtained by stirring the melt during the solidification in a spinning crucible at the casting temperature 580
°C, where the solid fraction amounted to about 40–60%. Due to the difference between the microstructure of Mg alloys produced by the two methods, the corrosion rate of rheoformed AZ91D alloy in the corrosive 0.9% NaCl and in the borate buffer solutions was significantly less than that of a conventional dendritic die-cast alloy.
Due to the delay of metal dissolution, creep life of anodized rheoformed alloy in 3% Na
2SO
4 solution was more than an order of magnitude longer than that of an uncoated alloy.</description><subject>Anodizing</subject><subject>Corrosion creep</subject><subject>Corrosive solutions</subject><subject>Rheoformed Mg alloy</subject><issn>0924-0136</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFkE1OwzAQhb0AifJzh6zYJYzjxHGWpSo_oogNrC1nMimO0rrYaaXuuAM35CS4KhJLVqMZvfc072Ms4ZBx4PKmz_qVGTfejYRZDqAy4BlAccImUOdFClzIM3YeQg_AK1Bqwp7mXUc4Jq5Log8pBLteJm6dhNHHJUXnvQs2Hhp6Nzvr_EHaWkrRhDF5Xn5_fk2HxAyD21-y084Mga5-5wV7u5u_zh7Sxcv942y6SFEU9Zh2RVmh4GhKgSRJCAmKV1wUFRgl87JWvANRF3WJbdOoqpUGy1y2Ki_AyEaIC3Z9zI0ff2wpjHplA9IwmDW5bdCiFKKWUEWhOgoxdgieOr3xdmX8XnPQB2K613_E9IGYBq4jsWi9PVopFtlZ8jqgpTVSa33kpVtn_w_5AatTfGA</recordid><startdate>20081121</startdate><enddate>20081121</enddate><creator>Unigovski, Ya</creator><creator>Gutman, E.M.</creator><creator>Koren, Z.</creator><creator>Rosenson, H.</creator><creator>Hao, Y.</creator><creator>Chen, T.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20081121</creationdate><title>Effect of processing on stress-corrosion behavior of die-cast Mg–Al alloy</title><author>Unigovski, Ya ; Gutman, E.M. ; Koren, Z. ; Rosenson, H. ; Hao, Y. ; Chen, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c349t-f457c31ca53ce6e336081713470a8625981f039495cdbb87d6ac526d8240a6b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Anodizing</topic><topic>Corrosion creep</topic><topic>Corrosive solutions</topic><topic>Rheoformed Mg alloy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Unigovski, Ya</creatorcontrib><creatorcontrib>Gutman, E.M.</creatorcontrib><creatorcontrib>Koren, Z.</creatorcontrib><creatorcontrib>Rosenson, H.</creatorcontrib><creatorcontrib>Hao, Y.</creatorcontrib><creatorcontrib>Chen, T.</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of materials processing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Unigovski, Ya</au><au>Gutman, E.M.</au><au>Koren, Z.</au><au>Rosenson, H.</au><au>Hao, Y.</au><au>Chen, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of processing on stress-corrosion behavior of die-cast Mg–Al alloy</atitle><jtitle>Journal of materials processing technology</jtitle><date>2008-11-21</date><risdate>2008</risdate><volume>208</volume><issue>1</issue><spage>395</spage><epage>399</epage><pages>395-399</pages><issn>0924-0136</issn><abstract>The effect of processing and microstructure on the stress-corrosion–creep behavior of die-cast rheoformed and conventional AZ91D Mg alloy was studied. Rheoformed alloy has a globular microstructure as compared with a dendritic microstructure of conventional die-cast Mg alloys. The rheoformed die-cast alloy was obtained by stirring the melt during the solidification in a spinning crucible at the casting temperature 580
°C, where the solid fraction amounted to about 40–60%. Due to the difference between the microstructure of Mg alloys produced by the two methods, the corrosion rate of rheoformed AZ91D alloy in the corrosive 0.9% NaCl and in the borate buffer solutions was significantly less than that of a conventional dendritic die-cast alloy.
Due to the delay of metal dissolution, creep life of anodized rheoformed alloy in 3% Na
2SO
4 solution was more than an order of magnitude longer than that of an uncoated alloy.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jmatprotec.2008.01.004</doi><tpages>5</tpages></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Anodizing Corrosion creep Corrosive solutions Rheoformed Mg alloy |
| title | Effect of processing on stress-corrosion behavior of die-cast Mg–Al alloy |
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