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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Autores principales: Yu-Kai Sun, Shih-Ying Chang, Lung-Chuan Tsao, Tung-Han Chuang, Guo-Zhan Zhang, Chih-Yi Yeh
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Publicado: MDPI AG 2021
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spelling 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)
institution DOAJ
collection DOAJ
language EN
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
spellingShingle 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
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