Revisiting the revised Ag-Pt phase diagram
Because of the important applications of platinum alloys and related platinum-group-metals phases, complete phase diagrams for these systems are important for materials engineering. The currently accepted phase diagram for the Ag-Pt system is questionable because of its disagreement with earlier exp...
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| Veröffentlicht in: | Acta materialia 2016-11, Vol.124 (C) |
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| creator | Hart, Gus L. W. Nelson, Lance J. Vanfleet, Richard R. Campbell, Branton J. Sluiter, Marcel H. F. Neethling, Jan H. Olivier, Ezra J. Allies, Soraya Lang, Candace I. Meredig, Bryce Wolverton, Christopher |
| description | Because of the important applications of platinum alloys and related platinum-group-metals phases, complete phase diagrams for these systems are important for materials engineering. The currently accepted phase diagram for the Ag-Pt system is questionable because of its disagreement with earlier experiments and because of its claim for a lone ordered structure at 53%-Pt which was not characterized and which contradicts both computational predictions and analogy to the isoelectronic system Cu-Pt. A complete re-examination of the Ag-Pt system by computational and experimental means suggests a phase diagram similar to the isoelectronic system Cu-Pt. The unknown compound, claimed to be 53%-Pt, is found to be the L11 structure at 50%-Pt. |
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F. ; Neethling, Jan H. ; Olivier, Ezra J. ; Allies, Soraya ; Lang, Candace I. ; Meredig, Bryce ; Wolverton, Christopher</creator><creatorcontrib>Hart, Gus L. W. ; Nelson, Lance J. ; Vanfleet, Richard R. ; Campbell, Branton J. ; Sluiter, Marcel H. F. ; Neethling, Jan H. ; Olivier, Ezra J. ; Allies, Soraya ; Lang, Candace I. ; Meredig, Bryce ; Wolverton, Christopher ; Northwestern Univ., Evanston, IL (United States)</creatorcontrib><description>Because of the important applications of platinum alloys and related platinum-group-metals phases, complete phase diagrams for these systems are important for materials engineering. The currently accepted phase diagram for the Ag-Pt system is questionable because of its disagreement with earlier experiments and because of its claim for a lone ordered structure at 53%-Pt which was not characterized and which contradicts both computational predictions and analogy to the isoelectronic system Cu-Pt. A complete re-examination of the Ag-Pt system by computational and experimental means suggests a phase diagram similar to the isoelectronic system Cu-Pt. 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The currently accepted phase diagram for the Ag-Pt system is questionable because of its disagreement with earlier experiments and because of its claim for a lone ordered structure at 53%-Pt which was not characterized and which contradicts both computational predictions and analogy to the isoelectronic system Cu-Pt. A complete re-examination of the Ag-Pt system by computational and experimental means suggests a phase diagram similar to the isoelectronic system Cu-Pt. The unknown compound, claimed to be 53%-Pt, is found to be the L11 structure at 50%-Pt.</description><subject>Ag-Pt</subject><subject>Cluster expansion</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>Materials Science</subject><subject>Metallurgy & Metallurgical Engineering</subject><subject>Phase diagrams</subject><subject>Platinum alloys</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNpjYuA0tDA31jUyMTVmAbKNTS11zUxMTTgYuIqLswwMDI3MTQw4GbSCUssyizNLMvPSFUoyUhWKQNzUFAXHdN2AEoWCjMTiVIWUzMT0osRcHgbWtMSc4lReKM3NoOTmGuLsoZtfXJIZX5ycWZKanJGcn5eXmlwSb2hqbGxiam5MlCIAbDIxtQ</recordid><startdate>20161115</startdate><enddate>20161115</enddate><creator>Hart, Gus L. W.</creator><creator>Nelson, Lance J.</creator><creator>Vanfleet, Richard R.</creator><creator>Campbell, Branton J.</creator><creator>Sluiter, Marcel H. 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The currently accepted phase diagram for the Ag-Pt system is questionable because of its disagreement with earlier experiments and because of its claim for a lone ordered structure at 53%-Pt which was not characterized and which contradicts both computational predictions and analogy to the isoelectronic system Cu-Pt. A complete re-examination of the Ag-Pt system by computational and experimental means suggests a phase diagram similar to the isoelectronic system Cu-Pt. The unknown compound, claimed to be 53%-Pt, is found to be the L11 structure at 50%-Pt.</abstract><cop>United States</cop><pub>Elsevier</pub><orcidid>https://orcid.org/000000031064630X</orcidid><orcidid>https://orcid.org/0000000271090854</orcidid><orcidid>https://orcid.org/0000000261499234</orcidid><oa>free_for_read</oa></addata></record> |
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| issn | 1359-6454 1873-2453 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Ag-Pt Cluster expansion CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Materials Science Metallurgy & Metallurgical Engineering Phase diagrams Platinum alloys |
| title | Revisiting the revised Ag-Pt phase diagram |
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