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Title: Joining of 3D-printed AlSi10Mg by friction stir welding
Authors: Du, Zhenglin
Tan, Ming Jen
Chen, Huichi
Bi, Guijun
Chua, Chee Kai
Keywords: Engineering::Mechanical engineering
Issue Date: 2018
Source: Du, Z., Tan, M. J., Chen, H., Bi, G., & Chua, C. K. (2018). Joining of 3D-printed AlSi10Mg by friction stir welding. Welding in the World, 62(3), 675-682. doi:10.1007/s40194-018-0585-7
Journal: Welding in the World
Abstract: Friction stir welding is a solid-state welding technology capable of joining metal parts without melting. The microstructure of the material evolved during the process from columnar grain along the thermal gradient in the melt pool to fine equiaxed grains. A significant decrease in microhardness in the stir zone was observed with the lowest hardness at approximately 3 mm from the weld centre. The decrease in the microhardness is mainly attributed to the dissolution of hardening precipitates in the aluminium matrix. Defects in the weld were observed due to insufficient heat input. Heat input could be increased with the increase in rotational speed of the welding tool, with some improvements in strength.
ISSN: 0043-2288
DOI: 10.1007/s40194-018-0585-7
Rights: © 2018 International Institute of Welding. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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