Phase selection in undercooled quasicrystal-forming Al-Mn alloy melts
Small droplets in size of 20-1000 mu m of Al--Mn alloys (i.e. Al sub 88 Mn sub 12 ) have been undercooled by containerless solidification during free fall in a drop tube or by melt atomization. The as-solidified droplets were analyzed with respect to the phases formed from the undercooled melt by el...
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| Veröffentlicht in: | Physical review. B, Condensed matter Condensed matter, 1992-09, Vol.46 (9), p.5203-5210 |
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| container_title | Physical review. B, Condensed matter |
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| creator | HERLACH, D. M GILLESSEN, F VOLKMANN, T WOLLGARTEN, M URBAN, K |
| description | Small droplets in size of 20-1000 mu m of Al--Mn alloys (i.e. Al sub 88 Mn sub 12 ) have been undercooled by containerless solidification during free fall in a drop tube or by melt atomization. The as-solidified droplets were analyzed with respect to the phases formed from the undercooled melt by electron microscopy, X-ray diffraction, and differential thermal analysis. Depending on the droplet size, various phases have been identified ranging from supersaturated Al sub SS , intermetallic Al sub 6 Mn, to quasicrystalline phases. The observed phase formation was interpreted in terms of nucleation, crystal growth, and transformation kinetics on the basis of current theories. This analysis gives a comprehensive description of phase formation in undercooled Al--Mn alloys in agreement with the experimental findings. |
| doi_str_mv | 10.1103/PhysRevB.46.5203 |
| format | Article |
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This analysis gives a comprehensive description of phase formation in undercooled Al--Mn alloys in agreement with the experimental findings.</description><identifier>ISSN: 0163-1829</identifier><identifier>EISSN: 1095-3795</identifier><identifier>DOI: 10.1103/PhysRevB.46.5203</identifier><identifier>PMID: 10004295</identifier><identifier>CODEN: PRBMDO</identifier><language>eng</language><publisher>Woodbury, NY: American Physical Society</publisher><subject>Applied sciences ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Metals. Metallurgy ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Physics ; Solidification</subject><ispartof>Physical review. 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The observed phase formation was interpreted in terms of nucleation, crystal growth, and transformation kinetics on the basis of current theories. This analysis gives a comprehensive description of phase formation in undercooled Al--Mn alloys in agreement with the experimental findings.</description><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Materials science</subject><subject>Metals. 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M</creatorcontrib><creatorcontrib>GILLESSEN, F</creatorcontrib><creatorcontrib>VOLKMANN, T</creatorcontrib><creatorcontrib>WOLLGARTEN, M</creatorcontrib><creatorcontrib>URBAN, K</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Physical review. B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HERLACH, D. M</au><au>GILLESSEN, F</au><au>VOLKMANN, T</au><au>WOLLGARTEN, M</au><au>URBAN, K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase selection in undercooled quasicrystal-forming Al-Mn alloy melts</atitle><jtitle>Physical review. B, Condensed matter</jtitle><addtitle>Phys Rev B Condens Matter</addtitle><date>1992-09-01</date><risdate>1992</risdate><volume>46</volume><issue>9</issue><spage>5203</spage><epage>5210</epage><pages>5203-5210</pages><issn>0163-1829</issn><eissn>1095-3795</eissn><coden>PRBMDO</coden><abstract>Small droplets in size of 20-1000 mu m of Al--Mn alloys (i.e. Al sub 88 Mn sub 12 ) have been undercooled by containerless solidification during free fall in a drop tube or by melt atomization. The as-solidified droplets were analyzed with respect to the phases formed from the undercooled melt by electron microscopy, X-ray diffraction, and differential thermal analysis. Depending on the droplet size, various phases have been identified ranging from supersaturated Al sub SS , intermetallic Al sub 6 Mn, to quasicrystalline phases. The observed phase formation was interpreted in terms of nucleation, crystal growth, and transformation kinetics on the basis of current theories. This analysis gives a comprehensive description of phase formation in undercooled Al--Mn alloys in agreement with the experimental findings.</abstract><cop>Woodbury, NY</cop><pub>American Physical Society</pub><pmid>10004295</pmid><doi>10.1103/PhysRevB.46.5203</doi><tpages>8</tpages></addata></record> |
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| source | American Physical Society Journals |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Solidification |
| title | Phase selection in undercooled quasicrystal-forming Al-Mn alloy melts |
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