Application of the cluster/site approximation to fcc phases in the Ni–Al–Cr–Re system
The cluster/site approximation (CSA) has been used to model the face-centered cubic (fcc) phases (disordered γ with the A1 structure and ordered γ′ with the L12 structure) in the Ni–Al–Cr–Re quaternary system. The CSA takes into account short-range order (SRO), which is vital for describing order/di...
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| Veröffentlicht in: | Acta materialia 2007-08, Vol.55 (13), p.4545-4551 |
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| container_title | Acta materialia |
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| creator | Zhu, J. Cao, W. Yang, Y. Zhang, F. Chen, S. Oates, W.A. Chang, Y.A. |
| description | The cluster/site approximation (CSA) has been used to model the face-centered cubic (fcc) phases (disordered γ with the A1 structure and ordered γ′ with the L12 structure) in the Ni–Al–Cr–Re quaternary system. The CSA takes into account short-range order (SRO), which is vital for describing order/disorder transitions. The approximation possesses computational advantages over the cluster variation method while offering comparable accuracy in the calculation of multi-component phase diagrams. The CSA-calculated phase diagrams are in good accord with the experimental data. In addition, the fcc metastable phase diagrams calculated by using the CSA show the expected ordering/disordering behavior and phase relationships. |
| doi_str_mv | 10.1016/j.actamat.2007.04.019 |
| format | Article |
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The CSA takes into account short-range order (SRO), which is vital for describing order/disorder transitions. The approximation possesses computational advantages over the cluster variation method while offering comparable accuracy in the calculation of multi-component phase diagrams. The CSA-calculated phase diagrams are in good accord with the experimental data. In addition, the fcc metastable phase diagrams calculated by using the CSA show the expected ordering/disordering behavior and phase relationships.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2007.04.019</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Approximation ; Cluster/site approximation ; Clusters ; Exact sciences and technology ; Mathematical analysis ; Mathematical models ; Metals. 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The CSA takes into account short-range order (SRO), which is vital for describing order/disorder transitions. The approximation possesses computational advantages over the cluster variation method while offering comparable accuracy in the calculation of multi-component phase diagrams. The CSA-calculated phase diagrams are in good accord with the experimental data. In addition, the fcc metastable phase diagrams calculated by using the CSA show the expected ordering/disordering behavior and phase relationships.</description><subject>Applied sciences</subject><subject>Approximation</subject><subject>Cluster/site approximation</subject><subject>Clusters</subject><subject>Exact sciences and technology</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Metals. Metallurgy</subject><subject>Nickel</subject><subject>Nickel alloys</subject><subject>Order–disorder phenomena</subject><subject>Phase diagram</subject><subject>Phase diagrams</subject><subject>Phases</subject><subject>Short range order</subject><subject>Thermodynamics</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkM9q3DAQh01pIWmSRwj40tCLndE_Wz6FZUmaQGih5JaDmB1LRIvXdiVtSW59h7xhnqTa7kJvrQ6jOXwz8-MrinMGNQPWXK5rpIQbTDUHaGuQNbDuXXHMdCsqLpV4n3uhuqqRSh4VH2NcAzDeSjguHhfzPHjC5KexnFyZnmxJwzYmGy6jT7bEeQ7Ts9_siTSVjqicnzDaWPrxD__Vv_16XQy5LEMu320ZX_KCzWnxweEQ7dnhPykebq4flrfV_bcvd8vFfUUSRKokF82q1zkcB8dRrUixzqJkTd8hupZr1qgeVq1jxEgoq3jfON1gS1qjECfFxX5tDvpja2MyGx_JDgOOdtpGIwCAa9ll8PM_QQaas66TwDKq9iiFKcZgnZlDdhBeMmR20s3aHKSbnXQD0mTpee7T4QRGwsEFHMnHv8M6v1bsMl_tOZu9_PQ2mEjejmR7Hywl00_-P5d-AzNbnNc</recordid><startdate>20070801</startdate><enddate>20070801</enddate><creator>Zhu, J.</creator><creator>Cao, W.</creator><creator>Yang, Y.</creator><creator>Zhang, F.</creator><creator>Chen, S.</creator><creator>Oates, W.A.</creator><creator>Chang, Y.A.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7QF</scope></search><sort><creationdate>20070801</creationdate><title>Application of the cluster/site approximation to fcc phases in the Ni–Al–Cr–Re system</title><author>Zhu, J. ; Cao, W. ; Yang, Y. ; Zhang, F. ; Chen, S. ; Oates, W.A. ; Chang, Y.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c403t-4236bd864520f2a5bc519ea416d9aaf728165d0b7f1c1c35e52d6f86a7c88a33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Approximation</topic><topic>Cluster/site approximation</topic><topic>Clusters</topic><topic>Exact sciences and technology</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Metals. Metallurgy</topic><topic>Nickel</topic><topic>Nickel alloys</topic><topic>Order–disorder phenomena</topic><topic>Phase diagram</topic><topic>Phase diagrams</topic><topic>Phases</topic><topic>Short range order</topic><topic>Thermodynamics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, J.</creatorcontrib><creatorcontrib>Cao, W.</creatorcontrib><creatorcontrib>Yang, Y.</creatorcontrib><creatorcontrib>Zhang, F.</creatorcontrib><creatorcontrib>Chen, S.</creatorcontrib><creatorcontrib>Oates, W.A.</creatorcontrib><creatorcontrib>Chang, Y.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Aluminium Industry Abstracts</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, J.</au><au>Cao, W.</au><au>Yang, Y.</au><au>Zhang, F.</au><au>Chen, S.</au><au>Oates, W.A.</au><au>Chang, Y.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of the cluster/site approximation to fcc phases in the Ni–Al–Cr–Re system</atitle><jtitle>Acta materialia</jtitle><date>2007-08-01</date><risdate>2007</risdate><volume>55</volume><issue>13</issue><spage>4545</spage><epage>4551</epage><pages>4545-4551</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>The cluster/site approximation (CSA) has been used to model the face-centered cubic (fcc) phases (disordered γ with the A1 structure and ordered γ′ with the L12 structure) in the Ni–Al–Cr–Re quaternary system. The CSA takes into account short-range order (SRO), which is vital for describing order/disorder transitions. The approximation possesses computational advantages over the cluster variation method while offering comparable accuracy in the calculation of multi-component phase diagrams. The CSA-calculated phase diagrams are in good accord with the experimental data. In addition, the fcc metastable phase diagrams calculated by using the CSA show the expected ordering/disordering behavior and phase relationships.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.actamat.2007.04.019</doi><tpages>7</tpages></addata></record> |
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| ispartof | Acta materialia, 2007-08, Vol.55 (13), p.4545-4551 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Approximation Cluster/site approximation Clusters Exact sciences and technology Mathematical analysis Mathematical models Metals. Metallurgy Nickel Nickel alloys Order–disorder phenomena Phase diagram Phase diagrams Phases Short range order Thermodynamics |
| title | Application of the cluster/site approximation to fcc phases in the Ni–Al–Cr–Re system |
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