Formation of Out-burst Structure in Hot-dip Zn-5 mass % Al Alloy Coating
The formation of the"out-burst" products which is consisted of Al-Fe intermetallic compounds (IMCs) grown locally and abnormally, has been studied to compare with the structure of thin alloy layer normally formed on the sheet steel in a hot-dip Zn-5 mass % Al alloy coating at the bath temp...
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| Veröffentlicht in: | Tetsu to hagane 1998, Vol.84(10), pp.734-739 |
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| container_title | Tetsu to hagane |
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| creator | UCHIDA, Yukio ANDOH, Atsushi KOMATSU, Atsushi YAMAKAWA, Koji |
| description | The formation of the"out-burst" products which is consisted of Al-Fe intermetallic compounds (IMCs) grown locally and abnormally, has been studied to compare with the structure of thin alloy layer normally formed on the sheet steel in a hot-dip Zn-5 mass % Al alloy coating at the bath temperature of 450 °C. The formation of the out-burst products is not due to the localized growth of thin alloy layer consisted of mainly Zn containing Al3Fe(Al13Fe4, ) but due to the growth of Al-Fe IMCs with mainly Zn containing Al5Fe2formed at ferrite grain boundaries near the steel surface. These Al-Fe IMCs are considered to be changed from Fe-Zn IMCs which have been formed by the grain boundary diffusion of Zn. And, during changing to Al-Fe IMCs, Zn discharged from Fe-Zn IMCs further diffuses to the adjacent ferrite grain boundaries and also into the adjacent ferrite grains. As a result, Fe-Zn IMCs are formed around Al-Fe IMCs which have been formed at the grain boundaries, and changes again to Al-Fe IMCs. This growth behavior of Al-Fe IMCs formed at the grain boundaries is induced from the results obtained in the previous works that the changing rate from Fe-Zn IMCs to Al-Fe IMCs in a molten Zn-5 mass % Al alloy bath at 450 °C is very high. |
| doi_str_mv | 10.2355/tetsutohagane1955.84.10_734 |
| format | Article |
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The formation of the out-burst products is not due to the localized growth of thin alloy layer consisted of mainly Zn containing Al3Fe(Al13Fe4, ) but due to the growth of Al-Fe IMCs with mainly Zn containing Al5Fe2formed at ferrite grain boundaries near the steel surface. These Al-Fe IMCs are considered to be changed from Fe-Zn IMCs which have been formed by the grain boundary diffusion of Zn. And, during changing to Al-Fe IMCs, Zn discharged from Fe-Zn IMCs further diffuses to the adjacent ferrite grain boundaries and also into the adjacent ferrite grains. As a result, Fe-Zn IMCs are formed around Al-Fe IMCs which have been formed at the grain boundaries, and changes again to Al-Fe IMCs. This growth behavior of Al-Fe IMCs formed at the grain boundaries is induced from the results obtained in the previous works that the changing rate from Fe-Zn IMCs to Al-Fe IMCs in a molten Zn-5 mass % Al alloy bath at 450 °C is very high.</description><identifier>ISSN: 0021-1575</identifier><identifier>EISSN: 1883-2954</identifier><identifier>DOI: 10.2355/tetsutohagane1955.84.10_734</identifier><language>eng</language><publisher>The Iron and Steel Institute of Japan</publisher><subject>Al-Fe intermetallic compounds ; alloy layer ; Fe-Zn intermetallic compounds ; hot-dip coating ; out-burst structure ; Zn-Al coating</subject><ispartof>Tetsu-to-Hagane, 1998, Vol.84(10), pp.734-739</ispartof><rights>The Iron and Steel Institute of Japan</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2664-a0cebb4681a3be459f2ae504ebc68a7bca6a29bb3090c30f299b24fbee9f58453</citedby><cites>FETCH-LOGICAL-c2664-a0cebb4681a3be459f2ae504ebc68a7bca6a29bb3090c30f299b24fbee9f58453</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4009,27902,27903,27904</link.rule.ids></links><search><creatorcontrib>UCHIDA, Yukio</creatorcontrib><creatorcontrib>ANDOH, Atsushi</creatorcontrib><creatorcontrib>KOMATSU, Atsushi</creatorcontrib><creatorcontrib>YAMAKAWA, Koji</creatorcontrib><title>Formation of Out-burst Structure in Hot-dip Zn-5 mass % Al Alloy Coating</title><title>Tetsu to hagane</title><addtitle>Tetsu-to-Hagane</addtitle><description>The formation of the"out-burst" products which is consisted of Al-Fe intermetallic compounds (IMCs) grown locally and abnormally, has been studied to compare with the structure of thin alloy layer normally formed on the sheet steel in a hot-dip Zn-5 mass % Al alloy coating at the bath temperature of 450 °C. The formation of the out-burst products is not due to the localized growth of thin alloy layer consisted of mainly Zn containing Al3Fe(Al13Fe4, ) but due to the growth of Al-Fe IMCs with mainly Zn containing Al5Fe2formed at ferrite grain boundaries near the steel surface. These Al-Fe IMCs are considered to be changed from Fe-Zn IMCs which have been formed by the grain boundary diffusion of Zn. And, during changing to Al-Fe IMCs, Zn discharged from Fe-Zn IMCs further diffuses to the adjacent ferrite grain boundaries and also into the adjacent ferrite grains. As a result, Fe-Zn IMCs are formed around Al-Fe IMCs which have been formed at the grain boundaries, and changes again to Al-Fe IMCs. This growth behavior of Al-Fe IMCs formed at the grain boundaries is induced from the results obtained in the previous works that the changing rate from Fe-Zn IMCs to Al-Fe IMCs in a molten Zn-5 mass % Al alloy bath at 450 °C is very high.</description><subject>Al-Fe intermetallic compounds</subject><subject>alloy layer</subject><subject>Fe-Zn intermetallic compounds</subject><subject>hot-dip coating</subject><subject>out-burst structure</subject><subject>Zn-Al coating</subject><issn>0021-1575</issn><issn>1883-2954</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqNkM1KAzEURoMoWGrfISC6S83vTAZXpVgrFLpQN25CEjNtZDqpSWbRt3d0pAtFEC5cLnznu3AAuCR4SpkQN9nl1OWw1RvdOlIJMZV8SrAqGT8BIyIlQ7QS_BSMMKYEEVGKczBJyZv-5pIXJRuB5SLEnc4-tDDUcN1lZLqYMnzMsbO5iw76Fi5DRq9-D19aJOBOpwSv4KzppwkHOA893m4uwFmtm-Qm33sMnhd3T_MlWq3vH-azFbK0KDjS2DpjeCGJZsZxUdVUO4G5M7aQujRWF5pWxjBcYctwTavKUF4b56paSC7YGFwPvfsY3juXstr5ZF3T9BJClxQtBcOFIH3wdgjaGFKKrlb76Hc6HlTv6FOg-iVQSa4GgT09-0Fbn7885ah988-O9dDxlrLeuON_HbO3jfuTPTYck3aro3It-wCFSpuD</recordid><startdate>1998</startdate><enddate>1998</enddate><creator>UCHIDA, Yukio</creator><creator>ANDOH, Atsushi</creator><creator>KOMATSU, Atsushi</creator><creator>YAMAKAWA, Koji</creator><general>The Iron and Steel Institute of Japan</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>1998</creationdate><title>Formation of Out-burst Structure in Hot-dip Zn-5 mass % Al Alloy Coating</title><author>UCHIDA, Yukio ; ANDOH, Atsushi ; KOMATSU, Atsushi ; YAMAKAWA, Koji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2664-a0cebb4681a3be459f2ae504ebc68a7bca6a29bb3090c30f299b24fbee9f58453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Al-Fe intermetallic compounds</topic><topic>alloy layer</topic><topic>Fe-Zn intermetallic compounds</topic><topic>hot-dip coating</topic><topic>out-burst structure</topic><topic>Zn-Al coating</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>UCHIDA, Yukio</creatorcontrib><creatorcontrib>ANDOH, Atsushi</creatorcontrib><creatorcontrib>KOMATSU, Atsushi</creatorcontrib><creatorcontrib>YAMAKAWA, Koji</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Tetsu to hagane</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>UCHIDA, Yukio</au><au>ANDOH, Atsushi</au><au>KOMATSU, Atsushi</au><au>YAMAKAWA, Koji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of Out-burst Structure in Hot-dip Zn-5 mass % Al Alloy Coating</atitle><jtitle>Tetsu to hagane</jtitle><addtitle>Tetsu-to-Hagane</addtitle><date>1998</date><risdate>1998</risdate><volume>84</volume><issue>10</issue><spage>734</spage><epage>739</epage><pages>734-739</pages><artnum>734</artnum><issn>0021-1575</issn><eissn>1883-2954</eissn><abstract>The formation of the"out-burst" products which is consisted of Al-Fe intermetallic compounds (IMCs) grown locally and abnormally, has been studied to compare with the structure of thin alloy layer normally formed on the sheet steel in a hot-dip Zn-5 mass % Al alloy coating at the bath temperature of 450 °C. The formation of the out-burst products is not due to the localized growth of thin alloy layer consisted of mainly Zn containing Al3Fe(Al13Fe4, ) but due to the growth of Al-Fe IMCs with mainly Zn containing Al5Fe2formed at ferrite grain boundaries near the steel surface. These Al-Fe IMCs are considered to be changed from Fe-Zn IMCs which have been formed by the grain boundary diffusion of Zn. And, during changing to Al-Fe IMCs, Zn discharged from Fe-Zn IMCs further diffuses to the adjacent ferrite grain boundaries and also into the adjacent ferrite grains. As a result, Fe-Zn IMCs are formed around Al-Fe IMCs which have been formed at the grain boundaries, and changes again to Al-Fe IMCs. This growth behavior of Al-Fe IMCs formed at the grain boundaries is induced from the results obtained in the previous works that the changing rate from Fe-Zn IMCs to Al-Fe IMCs in a molten Zn-5 mass % Al alloy bath at 450 °C is very high.</abstract><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/tetsutohagane1955.84.10_734</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Tetsu-to-Hagane, 1998, Vol.84(10), pp.734-739 |
| issn | 0021-1575 1883-2954 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_27530651 |
| source | J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Al-Fe intermetallic compounds alloy layer Fe-Zn intermetallic compounds hot-dip coating out-burst structure Zn-Al coating |
| title | Formation of Out-burst Structure in Hot-dip Zn-5 mass % Al Alloy Coating |
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