A thermodynamic explanation for the martensitic transformation of nanometer-sized γ-iron particles embedded in a copper matrix
The martensitic transformation of nanometer-sized particles precipitating in a copper matrix is analyzed from a thermodynamic viewpoint. It is shown that there exists a critical austenitic particle size below which the austenitic phase becomes more stable than the martensitic phase and the martensit...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2002-10, Vol.336 (1), p.270-273 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Qin, W. Du, Y.W. Zhuang, Y.H. Chen, Z.H. |
| description | The martensitic transformation of nanometer-sized particles precipitating in a copper matrix is analyzed from a thermodynamic viewpoint. It is shown that there exists a critical austenitic particle size below which the austenitic phase becomes more stable than the martensitic phase and the martensitic transformation cannot take place. Prolonged annealing, extraction of particle from the matrix, and plastic deformation would make the austenitic particle size exceed this critical value, and thus, cause the austenitic particles to transform to martensite. The theoretical results can interpret experimental observations well. |
| doi_str_mv | 10.1016/S0921-5093(01)01989-X |
| format | Article |
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It is shown that there exists a critical austenitic particle size below which the austenitic phase becomes more stable than the martensitic phase and the martensitic transformation cannot take place. Prolonged annealing, extraction of particle from the matrix, and plastic deformation would make the austenitic particle size exceed this critical value, and thus, cause the austenitic particles to transform to martensite. The theoretical results can interpret experimental observations well.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/S0921-5093(01)01989-X</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Condensed matter: structure, mechanical and thermal properties ; Equations of state, phase equilibria, and phase transitions ; Exact sciences and technology ; Martensitic transformation ; Nanometer-sized particle ; Physics ; Plastic deformation ; Specific phase transitions ; Structural transitions in nanoscale materials</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>The martensitic transformation of nanometer-sized particles precipitating in a copper matrix is analyzed from a thermodynamic viewpoint. It is shown that there exists a critical austenitic particle size below which the austenitic phase becomes more stable than the martensitic phase and the martensitic transformation cannot take place. Prolonged annealing, extraction of particle from the matrix, and plastic deformation would make the austenitic particle size exceed this critical value, and thus, cause the austenitic particles to transform to martensite. The theoretical results can interpret experimental observations well.</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Equations of state, phase equilibria, and phase transitions</subject><subject>Exact sciences and technology</subject><subject>Martensitic transformation</subject><subject>Nanometer-sized particle</subject><subject>Physics</subject><subject>Plastic deformation</subject><subject>Specific phase transitions</subject><subject>Structural transitions in nanoscale materials</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFkM9O3DAQh60KpG6BR6jkC4geAuPEcZwTQqh_kJA4ANLeLK89UY0SO9imgl54KN6jz1TvLmqPnObw-34zmo-QzwxOGDBxegN9zaoW-uYY2Bdgveyr5QeyYLJrKt43Yocs_iEfyaeU7gGAcWgX5OWc5p8Yp2CfvZ6cofg0j9rr7IKnQ4jrlE46ZvTJ5ZLnqH0qwbRFwkC99mHCjLFK7jda-ue1crFEc2k5M2KiOK3Q2hI5TzU1YZ4xlqU5uqd9sjvoMeHB29wjd9--3l78qK6uv19enF9VphEyV5y3EmoLWAtptUCwPV8ZIST0UnQaWsHrzg7CaD3Yuoa-HRhIaLhuVh2aVbNHjrZ75xgeHjFlNblkcCy_YnhMqu46KQTvCthuQRNDShEHNUdXBDwrBmqtW210q7VLBUxtdKtl6R2-HdDJ6HEomoxL_8ucN0U6L9zZlsPy7S-HUSXj0Bu0LqLJygb3zqW_LqSXxg</recordid><startdate>20021025</startdate><enddate>20021025</enddate><creator>Qin, W.</creator><creator>Du, Y.W.</creator><creator>Zhuang, Y.H.</creator><creator>Chen, Z.H.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20021025</creationdate><title>A thermodynamic explanation for the martensitic transformation of nanometer-sized γ-iron particles embedded in a copper matrix</title><author>Qin, W. ; Du, Y.W. ; Zhuang, Y.H. ; Chen, Z.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-445802d0e268da6e0d94bc66809867a056427df6caafd22095f108034a3b7ecb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Equations of state, phase equilibria, and phase transitions</topic><topic>Exact sciences and technology</topic><topic>Martensitic transformation</topic><topic>Nanometer-sized particle</topic><topic>Physics</topic><topic>Plastic deformation</topic><topic>Specific phase transitions</topic><topic>Structural transitions in nanoscale materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qin, W.</creatorcontrib><creatorcontrib>Du, Y.W.</creatorcontrib><creatorcontrib>Zhuang, Y.H.</creatorcontrib><creatorcontrib>Chen, Z.H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. 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It is shown that there exists a critical austenitic particle size below which the austenitic phase becomes more stable than the martensitic phase and the martensitic transformation cannot take place. Prolonged annealing, extraction of particle from the matrix, and plastic deformation would make the austenitic particle size exceed this critical value, and thus, cause the austenitic particles to transform to martensite. The theoretical results can interpret experimental observations well.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0921-5093(01)01989-X</doi><tpages>4</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2002-10, Vol.336 (1), p.270-273 |
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| subjects | Condensed matter: structure, mechanical and thermal properties Equations of state, phase equilibria, and phase transitions Exact sciences and technology Martensitic transformation Nanometer-sized particle Physics Plastic deformation Specific phase transitions Structural transitions in nanoscale materials |
| title | A thermodynamic explanation for the martensitic transformation of nanometer-sized γ-iron particles embedded in a copper matrix |
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