Abstract
The power amplifier module can realize fluid cooling through applying cooling-channel in cooling plate and its welding quality will influence the reliability of the transmitter directly. In order to enhance the welding quality of cooling-channel, the paper selected the 5A06 aluminium alloy as the base metal, and the electron beam welding method was applied to product the liquid cooling plate. The welding quality is evaluated by visual examination, metallographic analysis, tensile strengthen test, environmental test, welding deformation test and leak test. The results show that the welded joints have good mechanical properties, the highest tensile strength of EBW joint reaches about 84.1% of base metal, the biggest deformation of the cooling plate is 0.4749 mm and the pressure-resistant property of the cooling-channel after welding is excellent. According to the methods that were proposed in this paper, a liquid cooling channel was successfully manufactured. These techniques have been put into practice and proved to be success. As a result, an optimized welding process was formed to solve the cooling plate welding technical problems.
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Li, G., Huang, W., Chen, Y. (2020). Research on Application of Electron Beam Welding to Cooling Plate. In: Duan, B., Umeda, K., Hwang, W. (eds) Proceedings of the Seventh Asia International Symposium on Mechatronics. Lecture Notes in Electrical Engineering, vol 588. Springer, Singapore. https://doi.org/10.1007/978-981-32-9437-0_84
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DOI: https://doi.org/10.1007/978-981-32-9437-0_84
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Publisher Name: Springer, Singapore
Print ISBN: 978-981-32-9436-3
Online ISBN: 978-981-32-9437-0
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