The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy
<p>The mechanical properties (HB, HV, <em>R<sub>0.2</sub></em>,<sub> </sub><em>Rm</em>) and plastic properties (<em>A<sub>5</sub></em><sub>, </sub><em>Z</em>) of AlSi17Cu4 alloy when exposed to chos...
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Kaunas University of Technology
2016-09-01
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Online Access: | http://matsc.ktu.lt/index.php/MatSc/article/view/8490 |
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author | Jaroslaw PIĄTKOWSKI Robert WIESZAŁA Marta ZIEMNICKA-SYLWESTER |
author_facet | Jaroslaw PIĄTKOWSKI Robert WIESZAŁA Marta ZIEMNICKA-SYLWESTER |
author_sort | Jaroslaw PIĄTKOWSKI |
collection | DOAJ |
description | <p>The mechanical properties (HB, HV, <em>R<sub>0.2</sub></em>,<sub> </sub><em>Rm</em>) and plastic properties (<em>A<sub>5</sub></em><sub>, </sub><em>Z</em>) of AlSi17Cu4 alloy when exposed to chosen technological processes, such as modification, overheating and rapid cooling, are presented in this paper. The best combination of properties was noticed in alloy overheated for 40 minutes at 920 <sup>o</sup>C and casted into a metallic mould submerged in liquid nitrogen. Moreover, the technological stability and homogeneity of alloys were evaluated based on spread of results, expressed by standard deviation. It was proven, based on microstructure analysis, that the best effect of refinement was achieved by intensive cooling of alloy preceded by its overheating. The XRD analysis indicated that the intermetallic phases, mainly θ(Al<sub>2</sub>Cu) and γ<sub>1</sub>(Al<sub>4</sub>Cu<sub>9</sub>) caused hardening of the solution, improvement in mechanical properties and technological stability.</p><p>DOI: <a href="http://dx.doi.org/10.5755/j01.ms.22.3.8490">http://dx.doi.org/10.5755/j01.ms.22.3.8490</a></p> |
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issn | 1392-1320 2029-7289 |
language | English |
last_indexed | 2024-12-21T13:35:05Z |
publishDate | 2016-09-01 |
publisher | Kaunas University of Technology |
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series | Medžiagotyra |
spelling | doaj.art-372b4f7d18ca4b8cbf95e8546c6738992022-12-21T19:02:12ZengKaunas University of TechnologyMedžiagotyra1392-13202029-72892016-09-0122333033610.5755/j01.ms.22.3.84907286The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 AlloyJaroslaw PIĄTKOWSKI0Robert WIESZAŁA1Marta ZIEMNICKA-SYLWESTER2Department of Materials Technology, Faculty of Materials Science and Metallurgy, Silesian University of Technology, ul. Krasińskiego 8, 40-019 Katowice, PolandFaculty of Transport, Silesian University of Technology, ul. Krasińskiego 8, 40-019 Katowice, PolandDivision of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita –Ku 060-8628 Sapporo, Japan<p>The mechanical properties (HB, HV, <em>R<sub>0.2</sub></em>,<sub> </sub><em>Rm</em>) and plastic properties (<em>A<sub>5</sub></em><sub>, </sub><em>Z</em>) of AlSi17Cu4 alloy when exposed to chosen technological processes, such as modification, overheating and rapid cooling, are presented in this paper. The best combination of properties was noticed in alloy overheated for 40 minutes at 920 <sup>o</sup>C and casted into a metallic mould submerged in liquid nitrogen. Moreover, the technological stability and homogeneity of alloys were evaluated based on spread of results, expressed by standard deviation. It was proven, based on microstructure analysis, that the best effect of refinement was achieved by intensive cooling of alloy preceded by its overheating. The XRD analysis indicated that the intermetallic phases, mainly θ(Al<sub>2</sub>Cu) and γ<sub>1</sub>(Al<sub>4</sub>Cu<sub>9</sub>) caused hardening of the solution, improvement in mechanical properties and technological stability.</p><p>DOI: <a href="http://dx.doi.org/10.5755/j01.ms.22.3.8490">http://dx.doi.org/10.5755/j01.ms.22.3.8490</a></p>http://matsc.ktu.lt/index.php/MatSc/article/view/8490casting, Al-Si alloys, crystallisation, mechanical properties |
spellingShingle | Jaroslaw PIĄTKOWSKI Robert WIESZAŁA Marta ZIEMNICKA-SYLWESTER The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy Medžiagotyra casting, Al-Si alloys, crystallisation, mechanical properties |
title | The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy |
title_full | The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy |
title_fullStr | The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy |
title_full_unstemmed | The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy |
title_short | The Effect of Technological Parameters on the Microstructure and Mechanical Properties of AlSi17Cu4 Alloy |
title_sort | effect of technological parameters on the microstructure and mechanical properties of alsi17cu4 alloy |
topic | casting, Al-Si alloys, crystallisation, mechanical properties |
url | http://matsc.ktu.lt/index.php/MatSc/article/view/8490 |
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