Effect of pouring temperature on microstructure and microsegregation of as-cast aluminum alloy
An experimental investigation of pouring temperature effects on the thermal parameters, microstructure, and microsegregation during directional solidification of the hypoeutectic Al–Cu alloy is presented and discussed. The hypoeutectic Al–4.0 wt.% Cu alloy with superheat temperature is poured at tem...
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| Veröffentlicht in: | International journal of advanced manufacturing technology 2019-09, Vol.104 (1-4), p.957-965 |
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| container_title | International journal of advanced manufacturing technology |
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| creator | Ferreira, Alexandre Furtado Chrisóstimo, Wemberson Bitencourt Sales, Roberto Carlos Garção, Wysllan Jefferson Lima de Paula Sousa, Nathália |
| description | An experimental investigation of pouring temperature effects on the thermal parameters, microstructure, and microsegregation during directional solidification of the hypoeutectic Al–Cu alloy is presented and discussed. The hypoeutectic Al–4.0 wt.% Cu alloy with superheat temperature is poured at temperatures 682.5, 747.5, and 812.5 °C. The thermal parameters (cooling rate, solidification speed, and local solidification time) are affected by pouring temperature. These, in turn, affects the microstructure arrangement and microsegregation profiles. Experimental growth laws of tertiary dendrite arm spacing relating to the cooling rate have been determined, indicating that increase in thermal parameter was responsible for the refinement effect on dendritic morphology. Results showed that pouring temperatures nearer to the liquidus temperature produced a dendritic array refined, i.e., pouring temperatures few degrees Celsius higher than the liquidus temperature favored the reduction of the tertiary dendrite arm spacings. The results of chemical composition obtained by fluorescence X-ray spectrometry technique confirmed that microsegregation profiles were influenced by pouring temperature, i.e., the microsegregation profiles were shown to move upward with the decrease in the pouring temperature. |
| doi_str_mv | 10.1007/s00170-019-03979-6 |
| format | Article |
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The hypoeutectic Al–4.0 wt.% Cu alloy with superheat temperature is poured at temperatures 682.5, 747.5, and 812.5 °C. The thermal parameters (cooling rate, solidification speed, and local solidification time) are affected by pouring temperature. These, in turn, affects the microstructure arrangement and microsegregation profiles. Experimental growth laws of tertiary dendrite arm spacing relating to the cooling rate have been determined, indicating that increase in thermal parameter was responsible for the refinement effect on dendritic morphology. Results showed that pouring temperatures nearer to the liquidus temperature produced a dendritic array refined, i.e., pouring temperatures few degrees Celsius higher than the liquidus temperature favored the reduction of the tertiary dendrite arm spacings. The results of chemical composition obtained by fluorescence X-ray spectrometry technique confirmed that microsegregation profiles were influenced by pouring temperature, i.e., the microsegregation profiles were shown to move upward with the decrease in the pouring temperature.</description><identifier>ISSN: 0268-3768</identifier><identifier>EISSN: 1433-3015</identifier><identifier>DOI: 10.1007/s00170-019-03979-6</identifier><language>eng</language><publisher>London: Springer London</publisher><subject>Aluminum base alloys ; CAE) and Design ; Chemical composition ; Computer-Aided Engineering (CAD ; Cooling rate ; Copper ; Dendritic structure ; Directional solidification ; Engineering ; Fluorescence ; Industrial and Production Engineering ; Liquidus ; Mechanical Engineering ; Media Management ; Microstructure ; Morphology ; Organic chemistry ; Original Article ; Parameters ; Pouring ; Solidification ; Temperature effects ; Thermodynamic properties</subject><ispartof>International journal of advanced manufacturing technology, 2019-09, Vol.104 (1-4), p.957-965</ispartof><rights>Springer-Verlag London Ltd., part of Springer Nature 2019</rights><rights>The International Journal of Advanced Manufacturing Technology is a copyright of Springer, (2019). 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The hypoeutectic Al–4.0 wt.% Cu alloy with superheat temperature is poured at temperatures 682.5, 747.5, and 812.5 °C. The thermal parameters (cooling rate, solidification speed, and local solidification time) are affected by pouring temperature. These, in turn, affects the microstructure arrangement and microsegregation profiles. Experimental growth laws of tertiary dendrite arm spacing relating to the cooling rate have been determined, indicating that increase in thermal parameter was responsible for the refinement effect on dendritic morphology. Results showed that pouring temperatures nearer to the liquidus temperature produced a dendritic array refined, i.e., pouring temperatures few degrees Celsius higher than the liquidus temperature favored the reduction of the tertiary dendrite arm spacings. The results of chemical composition obtained by fluorescence X-ray spectrometry technique confirmed that microsegregation profiles were influenced by pouring temperature, i.e., the microsegregation profiles were shown to move upward with the decrease in the pouring temperature.</description><subject>Aluminum base alloys</subject><subject>CAE) and Design</subject><subject>Chemical composition</subject><subject>Computer-Aided Engineering (CAD</subject><subject>Cooling rate</subject><subject>Copper</subject><subject>Dendritic structure</subject><subject>Directional solidification</subject><subject>Engineering</subject><subject>Fluorescence</subject><subject>Industrial and Production Engineering</subject><subject>Liquidus</subject><subject>Mechanical Engineering</subject><subject>Media Management</subject><subject>Microstructure</subject><subject>Morphology</subject><subject>Organic chemistry</subject><subject>Original Article</subject><subject>Parameters</subject><subject>Pouring</subject><subject>Solidification</subject><subject>Temperature effects</subject><subject>Thermodynamic properties</subject><issn>0268-3768</issn><issn>1433-3015</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kMtKAzEUhoMoWKsv4GrAdTSZZHJZSqkXKLjRrSHNnJQpnYtJZtG3N9MR3HWVw-H7_3A-hO4peaSEyKdICJUEE6oxYVpqLC7QgnLGMCO0ukQLUgqFmRTqGt3EuM-4oEIt0Pfae3Cp6H0x9GNoul2RoB0g2DQGKPquaBsX-pjC6E4b29V_K9gF2NnUZCanbcTOxlTYw9g23djm4dAfb9GVt4cId3_vEn29rD9Xb3jz8fq-et5gx7hMuBKO0orpcltpyS2rKQhfS-nlFhzXnrPSksrWjgtiVe2FkFBRa0FsHXhgbIke5t4h9D8jxGT2-Zouf2lKrolSXOb-c1SpmNSCSpGpcqamI2MAb4bQtDYcDSVmsm1m2ybbNifbZgqxORSHSSKE_-ozqV8NloOk</recordid><startdate>20190901</startdate><enddate>20190901</enddate><creator>Ferreira, Alexandre Furtado</creator><creator>Chrisóstimo, Wemberson Bitencourt</creator><creator>Sales, Roberto Carlos</creator><creator>Garção, Wysllan Jefferson Lima</creator><creator>de Paula Sousa, Nathália</creator><general>Springer London</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0002-7397-7344</orcidid></search><sort><creationdate>20190901</creationdate><title>Effect of pouring temperature on microstructure and microsegregation of as-cast aluminum alloy</title><author>Ferreira, Alexandre Furtado ; Chrisóstimo, Wemberson Bitencourt ; Sales, Roberto Carlos ; Garção, Wysllan Jefferson Lima ; de Paula Sousa, Nathália</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c347t-56c115392b5974a3d1e6fd77f7bec49f432a05adc460a8df667e51aae6bcefe33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum base alloys</topic><topic>CAE) and Design</topic><topic>Chemical composition</topic><topic>Computer-Aided Engineering (CAD</topic><topic>Cooling rate</topic><topic>Copper</topic><topic>Dendritic structure</topic><topic>Directional solidification</topic><topic>Engineering</topic><topic>Fluorescence</topic><topic>Industrial and Production Engineering</topic><topic>Liquidus</topic><topic>Mechanical Engineering</topic><topic>Media Management</topic><topic>Microstructure</topic><topic>Morphology</topic><topic>Organic chemistry</topic><topic>Original Article</topic><topic>Parameters</topic><topic>Pouring</topic><topic>Solidification</topic><topic>Temperature effects</topic><topic>Thermodynamic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ferreira, Alexandre Furtado</creatorcontrib><creatorcontrib>Chrisóstimo, Wemberson Bitencourt</creatorcontrib><creatorcontrib>Sales, Roberto Carlos</creatorcontrib><creatorcontrib>Garção, Wysllan Jefferson Lima</creatorcontrib><creatorcontrib>de Paula Sousa, Nathália</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>International journal of advanced manufacturing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ferreira, Alexandre Furtado</au><au>Chrisóstimo, Wemberson Bitencourt</au><au>Sales, Roberto Carlos</au><au>Garção, Wysllan Jefferson Lima</au><au>de Paula Sousa, Nathália</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of pouring temperature on microstructure and microsegregation of as-cast aluminum alloy</atitle><jtitle>International journal of advanced manufacturing technology</jtitle><stitle>Int J Adv Manuf Technol</stitle><date>2019-09-01</date><risdate>2019</risdate><volume>104</volume><issue>1-4</issue><spage>957</spage><epage>965</epage><pages>957-965</pages><issn>0268-3768</issn><eissn>1433-3015</eissn><abstract>An experimental investigation of pouring temperature effects on the thermal parameters, microstructure, and microsegregation during directional solidification of the hypoeutectic Al–Cu alloy is presented and discussed. The hypoeutectic Al–4.0 wt.% Cu alloy with superheat temperature is poured at temperatures 682.5, 747.5, and 812.5 °C. The thermal parameters (cooling rate, solidification speed, and local solidification time) are affected by pouring temperature. These, in turn, affects the microstructure arrangement and microsegregation profiles. Experimental growth laws of tertiary dendrite arm spacing relating to the cooling rate have been determined, indicating that increase in thermal parameter was responsible for the refinement effect on dendritic morphology. Results showed that pouring temperatures nearer to the liquidus temperature produced a dendritic array refined, i.e., pouring temperatures few degrees Celsius higher than the liquidus temperature favored the reduction of the tertiary dendrite arm spacings. 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| subjects | Aluminum base alloys CAE) and Design Chemical composition Computer-Aided Engineering (CAD Cooling rate Copper Dendritic structure Directional solidification Engineering Fluorescence Industrial and Production Engineering Liquidus Mechanical Engineering Media Management Microstructure Morphology Organic chemistry Original Article Parameters Pouring Solidification Temperature effects Thermodynamic properties |
| title | Effect of pouring temperature on microstructure and microsegregation of as-cast aluminum alloy |
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