Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure
The paper deals with the impact of technological parameters on the heat transfer coefficient and microstructure in AlSi12 alloy using squeeze casting technology. The casting with crystallization under pressure was used, specifically direct squeeze casting method. The goal was to affect crystallizati...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Polish Academy of Sciences
2017-06-01
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| Series: | Archives of Foundry Engineering |
| Subjects: | |
| Online Access: | http://www.degruyter.com/view/j/afe.2017.17.issue-2/afe-2017-0054/afe-2017-0054.xml?format=INT |
| _version_ | 1827841818109149184 |
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| author | Pastirčák R. Ščury J. Brůna M. Bolibruchová D. |
| author_facet | Pastirčák R. Ščury J. Brůna M. Bolibruchová D. |
| author_sort | Pastirčák R. |
| collection | DOAJ |
| description | The paper deals with the impact of technological parameters on the heat transfer coefficient and microstructure in AlSi12 alloy using squeeze casting technology. The casting with crystallization under pressure was used, specifically direct squeeze casting method. The goal was to affect crystallization by pressure with a value 100 and 150 MPa. The pressure applied to the melt causes a significant increase of the coefficient of heat transfer between the melt and the mold. There is an increase in heat flow by approximately 50% and the heat transfer coefficient of up to 100-fold, depending on the casting conditions. The change in cooling rate influences the morphology of the silicon particles and intermetallic phases. A change of excluded needles to a rod-shaped geometry with significantly shorter length occurs when used gravity casting method. By using the pressure of 150 MPa during the crystallization process, in the structure can be observed an irregular silica particles, but the size does not exceed 25 microns. |
| first_indexed | 2024-03-12T07:58:03Z |
| format | Article |
| id | doaj.art-a1e01d6aae8548ebab2235b2d36d2f94 |
| institution | Directory Open Access Journal |
| issn | 2299-2944 |
| language | English |
| last_indexed | 2024-03-12T07:58:03Z |
| publishDate | 2017-06-01 |
| publisher | Polish Academy of Sciences |
| record_format | Article |
| series | Archives of Foundry Engineering |
| spelling | doaj.art-a1e01d6aae8548ebab2235b2d36d2f942023-09-02T20:04:44ZengPolish Academy of SciencesArchives of Foundry Engineering2299-29442017-06-01172757810.1515/afe-2017-0054afe-2017-0054Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under PressurePastirčák R.0Ščury J.1Brůna M.2Bolibruchová D.3Department of Technological Engineering, University of Zilina, Univerzitna 1, 010 26 Zilina, SlovakiaDepartment of Technological Engineering, University of Zilina, Univerzitna 1, 010 26 Zilina, SlovakiaDepartment of Technological Engineering, University of Zilina, Univerzitna 1, 010 26 Zilina, SlovakiaDepartment of Technological Engineering, University of Zilina, Univerzitna 1, 010 26 Zilina, SlovakiaThe paper deals with the impact of technological parameters on the heat transfer coefficient and microstructure in AlSi12 alloy using squeeze casting technology. The casting with crystallization under pressure was used, specifically direct squeeze casting method. The goal was to affect crystallization by pressure with a value 100 and 150 MPa. The pressure applied to the melt causes a significant increase of the coefficient of heat transfer between the melt and the mold. There is an increase in heat flow by approximately 50% and the heat transfer coefficient of up to 100-fold, depending on the casting conditions. The change in cooling rate influences the morphology of the silicon particles and intermetallic phases. A change of excluded needles to a rod-shaped geometry with significantly shorter length occurs when used gravity casting method. By using the pressure of 150 MPa during the crystallization process, in the structure can be observed an irregular silica particles, but the size does not exceed 25 microns.http://www.degruyter.com/view/j/afe.2017.17.issue-2/afe-2017-0054/afe-2017-0054.xml?format=INTSqueeze castingHeat transferPressureAluminium alloy |
| spellingShingle | Pastirčák R. Ščury J. Brůna M. Bolibruchová D. Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure Archives of Foundry Engineering Squeeze casting Heat transfer Pressure Aluminium alloy |
| title | Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure |
| title_full | Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure |
| title_fullStr | Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure |
| title_full_unstemmed | Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure |
| title_short | Effect of Technological Parameters on the AlSi12 Alloy Microstructure During Crystallization Under Pressure |
| title_sort | effect of technological parameters on the alsi12 alloy microstructure during crystallization under pressure |
| topic | Squeeze casting Heat transfer Pressure Aluminium alloy |
| url | http://www.degruyter.com/view/j/afe.2017.17.issue-2/afe-2017-0054/afe-2017-0054.xml?format=INT |
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