Effect of sample diameter on primary and secondary dendrite arm spacings during directional solidification of Pb-26wt. %Bi hypo-peritectic alloy
The microstructure scales of dendrites, such as primary and secondary dendrite arm spacings, control the segregation profiles and the formation of secondary phases within interdendritic regions, which determine the properties of solidified structures. Investigations on primary and secondary dendrite...
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| Veröffentlicht in: | Rare metals 2011-08, Vol.30 (4), p.424-431 |
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| creator | Hu, Xiaowu Yan, Hong Chen, Wenjing Li, Shuangming Fu, Hengzhi |
| description | The microstructure scales of dendrites, such as primary and secondary dendrite arm spacings, control the segregation profiles and the formation of secondary phases within interdendritic regions, which determine the properties of solidified structures. Investigations on primary and secondary dendrite arm spacings of primary a-phase during directionally solidified Pb-26wt%Bi hypo-peritectic alloy were carried out in this research, and systematic studies were conducted using cylindrical samples with different diameters （Ф = 1.8 and 7.0 mm） in order to analyze the effects of sample diameter on the primary and secondary dendrite arm spacings. In this work, the dependence of dendrite arm spacings on growth velocity was established. In addition, the experimental data concerning the primary and secondary dendrite ann spacings were compared with the main predictive dendritic models from the literatures. A comparison between experimental results for dendrite arm spacings of the 1.8-mm-diameter sample and 7.0-ram-diameter sample was also conducted. |
| doi_str_mv | 10.1007/s12598-011-0408-0 |
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Investigations on primary and secondary dendrite arm spacings of primary a-phase during directionally solidified Pb-26wt%Bi hypo-peritectic alloy were carried out in this research, and systematic studies were conducted using cylindrical samples with different diameters （Ф = 1.8 and 7.0 mm） in order to analyze the effects of sample diameter on the primary and secondary dendrite arm spacings. In this work, the dependence of dendrite arm spacings on growth velocity was established. In addition, the experimental data concerning the primary and secondary dendrite ann spacings were compared with the main predictive dendritic models from the literatures. 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Investigations on primary and secondary dendrite arm spacings of primary a-phase during directionally solidified Pb-26wt%Bi hypo-peritectic alloy were carried out in this research, and systematic studies were conducted using cylindrical samples with different diameters （Ф = 1.8 and 7.0 mm） in order to analyze the effects of sample diameter on the primary and secondary dendrite arm spacings. In this work, the dependence of dendrite arm spacings on growth velocity was established. In addition, the experimental data concerning the primary and secondary dendrite ann spacings were compared with the main predictive dendritic models from the literatures. A comparison between experimental results for dendrite arm spacings of the 1.8-mm-diameter sample and 7.0-ram-diameter sample was also conducted.</description><subject>Alloy systems</subject><subject>Biomaterials</subject><subject>Chemistry and Materials Science</subject><subject>Dendritic structure</subject><subject>Directional solidification</subject><subject>Energy</subject><subject>Lead base alloys</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Microstructure</subject><subject>Nanoscale Science and Technology</subject><subject>Phases</subject><subject>Physical Chemistry</subject><subject>Segregations</subject><subject>中学</subject><subject>二次枝晶臂间距</subject><subject>凝固过程</subject><subject>分析样品</subject><subject>包晶合金</subject><subject>小学</subject><subject>直径</subject><issn>1001-0521</issn><issn>1867-7185</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9UUtv1DAQjhCVKC0_gJtBQj2ljF-Jc4SqPKRKcICz5dqTrVeJndpZlf0X_OTa2lUrceA04_H3GH3TNG8pXFKA_mOmTA6qBUpbEFCaF80pVV3f9lTJl6UHKD-S0VfN65y3AEJ0HZw2f6_HEe1K4kiymZcJifNmxhUTiYEsyc8m7YkJjmS0Mbj6chhc8isSk2aSF2N92GTidqnUQk9Fz8dgJpLj5J0fvTV1UD1-3rase1gvyYfPntztl9guWKUKwxIzTXF_3pyMZsr45ljPmt9frn9dfWtvfnz9fvXpprUC5NryEYxEq5xwnFE6SMe5HaSxAjuuhB16Rs2tkGjogBztKJRFJyhDZMid4WfNxUH3wYTRhI3exl0qS2f9Z7_NGlmJsiRJh2fkkuL9DvOqZ58tTpMJGHdZD9APfUehIt__g3wSVQp6KWVXQfQAsinmnHDUx5Q1BV1vqQ-31GUBXW-poXDYgZOXGjKmZ-H_kd4dje5i2NwX3pMTV0pI3gv-CLhlrjc</recordid><startdate>20110801</startdate><enddate>20110801</enddate><creator>Hu, Xiaowu</creator><creator>Yan, Hong</creator><creator>Chen, Wenjing</creator><creator>Li, Shuangming</creator><creator>Fu, Hengzhi</creator><general>Nonferrous Metals Society of China</general><general>Springer Nature B.V</general><general>School of Mechanical-Electrical Engineering, Nanchang University, Nanchang 330031, China%Department of Applied Physics, Northwestern Polytechnical University, Xi'an 710072, China%State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an 710072, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20110801</creationdate><title>Effect of sample diameter on primary and secondary dendrite arm spacings during directional solidification of Pb-26wt. %Bi hypo-peritectic alloy</title><author>Hu, Xiaowu ; 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Investigations on primary and secondary dendrite arm spacings of primary a-phase during directionally solidified Pb-26wt%Bi hypo-peritectic alloy were carried out in this research, and systematic studies were conducted using cylindrical samples with different diameters （Ф = 1.8 and 7.0 mm） in order to analyze the effects of sample diameter on the primary and secondary dendrite arm spacings. In this work, the dependence of dendrite arm spacings on growth velocity was established. In addition, the experimental data concerning the primary and secondary dendrite ann spacings were compared with the main predictive dendritic models from the literatures. A comparison between experimental results for dendrite arm spacings of the 1.8-mm-diameter sample and 7.0-ram-diameter sample was also conducted.</abstract><cop>Springer Berlin Heidelberg</cop><pub>Nonferrous Metals Society of China</pub><doi>10.1007/s12598-011-0408-0</doi><tpages>8</tpages></addata></record> |
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| subjects | Alloy systems Biomaterials Chemistry and Materials Science Dendritic structure Directional solidification Energy Lead base alloys Materials Engineering Materials Science Metallic Materials Microstructure Nanoscale Science and Technology Phases Physical Chemistry Segregations 中学 二次枝晶臂间距 凝固过程 分析样品 包晶合金 小学 直径 |
| title | Effect of sample diameter on primary and secondary dendrite arm spacings during directional solidification of Pb-26wt. %Bi hypo-peritectic alloy |
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