Influence of welding on structure of Al-Mg-Si matrix composites
The present study deals with the structural characterisation of welds produced in the particulate composite 6061/Al 2 O 3 /10p by means of gas tungsten arc welding. Specimens of the composite were welded under various conditions and the structure of the welds obtained was analysed using optical micr...
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| Veröffentlicht in: | Materials science and technology 1999-02, Vol.15 (2), p.202-206 |
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| creator | de Vries, H.W. den Ouden, G. |
| description | The present study deals with the structural characterisation of welds produced in the particulate composite 6061/Al
2
O
3
/10p by means of gas tungsten arc welding. Specimens of the composite were welded under various conditions and the structure of the welds obtained was analysed using optical microscopy, electron probe microanalysis, and scanning electron microscopy. It appears that, during welding, a thin particle free (denuded) zone is formed below the upper surface of the weld. The formation of this zone results from a combination of Marangoni flow and arc plasma drag. Furthermore, it was found that, during solidification of the weld metal, particle pushing takes place, which results in redistribution of the particles. This phenomenon is particularly apparent in the vicinity of the fusion boundary. It was also shown that, during welding, Mg
2
Si precipitates are formed in the interfacial zone between the particle and the matrix. Welding experiments were also carried out with filler wire addition. It was found that only limited mixing occurs in the weld pool between the filler wire material and the composite.
a
The degree of mixing increases with increasing travel speed and is independent of wire feed rate. |
| doi_str_mv | 10.1179/026708399101505590 |
| format | Article |
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2
O
3
/10p by means of gas tungsten arc welding. Specimens of the composite were welded under various conditions and the structure of the welds obtained was analysed using optical microscopy, electron probe microanalysis, and scanning electron microscopy. It appears that, during welding, a thin particle free (denuded) zone is formed below the upper surface of the weld. The formation of this zone results from a combination of Marangoni flow and arc plasma drag. Furthermore, it was found that, during solidification of the weld metal, particle pushing takes place, which results in redistribution of the particles. This phenomenon is particularly apparent in the vicinity of the fusion boundary. It was also shown that, during welding, Mg
2
Si precipitates are formed in the interfacial zone between the particle and the matrix. Welding experiments were also carried out with filler wire addition. It was found that only limited mixing occurs in the weld pool between the filler wire material and the composite.
a
The degree of mixing increases with increasing travel speed and is independent of wire feed rate.</description><identifier>ISSN: 0267-0836</identifier><identifier>EISSN: 1743-2847</identifier><identifier>DOI: 10.1179/026708399101505590</identifier><identifier>CODEN: MSCTEP</identifier><language>eng</language><publisher>London, England: Taylor & Francis</publisher><subject>Applied sciences ; Cross-disciplinary physics: materials science; rheology ; Dispersion hardening metals ; Exact sciences and technology ; Joining, thermal cutting: metallurgical aspects ; Materials science ; Metals. Metallurgy ; Other heat and thermomechanical treatments ; Physics ; Powder metallurgy. Composite materials ; Production techniques ; Treatment of materials and its effects on microstructure and properties ; Welding</subject><ispartof>Materials science and technology, 1999-02, Vol.15 (2), p.202-206</ispartof><rights>1999 IOM Communications for the Institute of Materials 1999</rights><rights>1999 IOM Communications for the Institute of Materials</rights><rights>1999 INIST-CNRS</rights><rights>Copyright Institute of Materials Feb 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c492t-ded48e5c97bd834260f33decf66ebeb5028b6f9231e5f3be54cd04f9c18c2a973</citedby><cites>FETCH-LOGICAL-c492t-ded48e5c97bd834260f33decf66ebeb5028b6f9231e5f3be54cd04f9c18c2a973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1179/026708399101505590$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1179/026708399101505590$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,21817,27922,27923,43619,43620</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1680294$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>de Vries, H.W.</creatorcontrib><creatorcontrib>den Ouden, G.</creatorcontrib><title>Influence of welding on structure of Al-Mg-Si matrix composites</title><title>Materials science and technology</title><description>The present study deals with the structural characterisation of welds produced in the particulate composite 6061/Al
2
O
3
/10p by means of gas tungsten arc welding. Specimens of the composite were welded under various conditions and the structure of the welds obtained was analysed using optical microscopy, electron probe microanalysis, and scanning electron microscopy. It appears that, during welding, a thin particle free (denuded) zone is formed below the upper surface of the weld. The formation of this zone results from a combination of Marangoni flow and arc plasma drag. Furthermore, it was found that, during solidification of the weld metal, particle pushing takes place, which results in redistribution of the particles. This phenomenon is particularly apparent in the vicinity of the fusion boundary. It was also shown that, during welding, Mg
2
Si precipitates are formed in the interfacial zone between the particle and the matrix. Welding experiments were also carried out with filler wire addition. It was found that only limited mixing occurs in the weld pool between the filler wire material and the composite.
a
The degree of mixing increases with increasing travel speed and is independent of wire feed rate.</description><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Dispersion hardening metals</subject><subject>Exact sciences and technology</subject><subject>Joining, thermal cutting: metallurgical aspects</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Other heat and thermomechanical treatments</subject><subject>Physics</subject><subject>Powder metallurgy. 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Metallurgy</topic><topic>Other heat and thermomechanical treatments</topic><topic>Physics</topic><topic>Powder metallurgy. Composite materials</topic><topic>Production techniques</topic><topic>Treatment of materials and its effects on microstructure and properties</topic><topic>Welding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Vries, H.W.</creatorcontrib><creatorcontrib>den Ouden, G.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Engineered Materials Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><collection>Aluminium Industry Abstracts</collection><jtitle>Materials science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Vries, H.W.</au><au>den Ouden, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of welding on structure of Al-Mg-Si matrix composites</atitle><jtitle>Materials science and technology</jtitle><date>1999-02-01</date><risdate>1999</risdate><volume>15</volume><issue>2</issue><spage>202</spage><epage>206</epage><pages>202-206</pages><issn>0267-0836</issn><eissn>1743-2847</eissn><coden>MSCTEP</coden><abstract>The present study deals with the structural characterisation of welds produced in the particulate composite 6061/Al
2
O
3
/10p by means of gas tungsten arc welding. Specimens of the composite were welded under various conditions and the structure of the welds obtained was analysed using optical microscopy, electron probe microanalysis, and scanning electron microscopy. It appears that, during welding, a thin particle free (denuded) zone is formed below the upper surface of the weld. The formation of this zone results from a combination of Marangoni flow and arc plasma drag. Furthermore, it was found that, during solidification of the weld metal, particle pushing takes place, which results in redistribution of the particles. This phenomenon is particularly apparent in the vicinity of the fusion boundary. It was also shown that, during welding, Mg
2
Si precipitates are formed in the interfacial zone between the particle and the matrix. Welding experiments were also carried out with filler wire addition. It was found that only limited mixing occurs in the weld pool between the filler wire material and the composite.
a
The degree of mixing increases with increasing travel speed and is independent of wire feed rate.</abstract><cop>London, England</cop><pub>Taylor & Francis</pub><doi>10.1179/026708399101505590</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 0267-0836 |
| ispartof | Materials science and technology, 1999-02, Vol.15 (2), p.202-206 |
| issn | 0267-0836 1743-2847 |
| language | eng |
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| source | SAGE Complete |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology Dispersion hardening metals Exact sciences and technology Joining, thermal cutting: metallurgical aspects Materials science Metals. Metallurgy Other heat and thermomechanical treatments Physics Powder metallurgy. Composite materials Production techniques Treatment of materials and its effects on microstructure and properties Welding |
| title | Influence of welding on structure of Al-Mg-Si matrix composites |
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