Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina
In this study, AA6061/AA6061 and AA6061/alumina were directly brazed with Al10.8Si10Cu, Al10Si10Cu4Ti and Al10Si10Cu4Ti0.1RE filler alloys at 530 °C for 10 min without the use of flux. The addition of titanium and rare-earth elements into Al10.8Si10Cu alloy effectively improved the bonding shear str...
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MDPI AG
2021
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oai:doaj.org-article:05de1ff2b05648a098bb9857d2eb25392021-11-11T15:24:14ZEffects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina10.3390/app1121104402076-3417https://doaj.org/article/05de1ff2b05648a098bb9857d2eb25392021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10440https://doaj.org/toc/2076-3417In this study, AA6061/AA6061 and AA6061/alumina were directly brazed with Al10.8Si10Cu, Al10Si10Cu4Ti and Al10Si10Cu4Ti0.1RE filler alloys at 530 °C for 10 min without the use of flux. The addition of titanium and rare-earth elements into Al10.8Si10Cu alloy effectively improved the bonding shear strengths of AA6061/AA6061 and AA6061/alumina joints. The highest joint shear strengths were 61.1 and 19.2 MPa, respectively. The Al10.8Si10Cu filler alloy without titanium and rare-earth elements could not wet on the alumina and caused failure of the AA6061/alumina joint. The shear strengths of the AA6061/AA6061 and AA6061/alumina joints both strongly depended on the active element addition. Due to the high chemical activity of the rare-earth elements, they formed AlLa between the Al10Si10Cu4Ti0.1RE filler alloy and alumina. The addition of rare-earth elements into Al10Si10Cu4Ti filler alloy resulted in significant enhancement of the average bond strength of AA6061/alumina joints, from 8.0 to 14.8 MPa.Yu-Kai SunShih-Ying ChangLung-Chuan TsaoTung-Han ChuangGuo-Zhan ZhangChih-Yi YehMDPI AGarticlealuminum alloyaluminaAl-Si-Cu filler metaltitaniumrare-earth elementsTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10440, p 10440 (2021) |
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DOAJ |
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topic |
aluminum alloy alumina Al-Si-Cu filler metal titanium rare-earth elements Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 |
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aluminum alloy alumina Al-Si-Cu filler metal titanium rare-earth elements Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Yu-Kai Sun Shih-Ying Chang Lung-Chuan Tsao Tung-Han Chuang Guo-Zhan Zhang Chih-Yi Yeh Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina |
description |
In this study, AA6061/AA6061 and AA6061/alumina were directly brazed with Al10.8Si10Cu, Al10Si10Cu4Ti and Al10Si10Cu4Ti0.1RE filler alloys at 530 °C for 10 min without the use of flux. The addition of titanium and rare-earth elements into Al10.8Si10Cu alloy effectively improved the bonding shear strengths of AA6061/AA6061 and AA6061/alumina joints. The highest joint shear strengths were 61.1 and 19.2 MPa, respectively. The Al10.8Si10Cu filler alloy without titanium and rare-earth elements could not wet on the alumina and caused failure of the AA6061/alumina joint. The shear strengths of the AA6061/AA6061 and AA6061/alumina joints both strongly depended on the active element addition. Due to the high chemical activity of the rare-earth elements, they formed AlLa between the Al10Si10Cu4Ti0.1RE filler alloy and alumina. The addition of rare-earth elements into Al10Si10Cu4Ti filler alloy resulted in significant enhancement of the average bond strength of AA6061/alumina joints, from 8.0 to 14.8 MPa. |
format |
article |
author |
Yu-Kai Sun Shih-Ying Chang Lung-Chuan Tsao Tung-Han Chuang Guo-Zhan Zhang Chih-Yi Yeh |
author_facet |
Yu-Kai Sun Shih-Ying Chang Lung-Chuan Tsao Tung-Han Chuang Guo-Zhan Zhang Chih-Yi Yeh |
author_sort |
Yu-Kai Sun |
title |
Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina |
title_short |
Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina |
title_full |
Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina |
title_fullStr |
Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina |
title_full_unstemmed |
Effects of Adding Active Elements to Aluminum-Based Filler Alloys on the Bonding of 6061 Aluminum Alloy and Alumina |
title_sort |
effects of adding active elements to aluminum-based filler alloys on the bonding of 6061 aluminum alloy and alumina |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/05de1ff2b05648a098bb9857d2eb2539 |
work_keys_str_mv |
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