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| Effect of Sc, Zr, Er in ER5356 Welding Wire on Mechanical Properties of Welded Joint of 7A52 Aluminum Alloy |
| ZHAO Zhihao** XU Zhen WANG Gaosong |
| (Key Laboratory of Electromagnetic Processing of Materials, Northeastern University, Shengyang 110819) |
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Cite this article:
ZHAO Zhihao, XU Zhen, WANG Gaosong. Effect of Sc, Zr, Er in ER5356 Welding Wire on Mechanical Properties of Welded Joint of 7A52 Aluminum Alloy. Chinese Journal of Materials Research, 2013, 27(3): 287-291.
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Abstract 7A52 aluminum alloy was welded using traditional ER5356 welding wire and 5356 welding wire containing Sc、Zr、Er with the method of TIG welding. The effects of Sc, Zr and Er on Mechanical properties of welded joint were investigated. The results show that the additions of Sc, Zr and Er in ER5356 welding wire resulted in the finer grains significantly and increase of the strength of the welded joint. The best effect was achieved with the addition of Sc independently. The tensile strength of welded joints is 322.5 MPa, and the strength coefficient of welded joints is 70.4% of base material.
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Received: 16 April 2013
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| Fund: *Supported by National Natural Science Foundation of China No. 51004036 and the Basic Scientific Research fee of the Department of Education No.N110408005. |
| About author: **To whom correspondence should be addressed, Tel(024)83681760, E-mail: zzh@epm.neu.edu.cn |
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