Abstract
Laser-arc hybrid welding source is used to join TC4 Ti alloy to 304 stainless steel with Cu interlayer and adhesive. The influences of the welding source and the interlayers on the microstructures and intermetallic in the welding joint are analyzed elaborately. The welding joint shows a layer structure with the effect of laser-arc hybrid welding source. The Ti–Fe intermetallic (IMC) is nearly eliminated by the Cu interlayer, which reduces harmful effect of IMC obviously. More Ti–Cu intermetallic is found in the transition zone, which influences the property of the laser-arc welding TC4 Ti alloy to 304 stainless steel joints. The surface state and heat transfer process in the welding joint are changed. The property of the dissimilar joint is improved by the laser-arc hybrid welding source and the addition of interlayers.
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Acknowledgements
The authors gratefully acknowledge the support of the National Natural Science Foundation of China (U1764251), the Science Fund for Creative Research Groups of NSFC (51621064).
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Wang, H., Song, G., Hou, Z., Liu, L. (2019). The Regulation of Laser-Arc Hybrid Welding Source on TC4 Ti Alloy to 304 Stainless Steel Joints with Interlayers. In: Chen, S., Zhang, Y., Feng, Z. (eds) Transactions on Intelligent Welding Manufacturing. Transactions on Intelligent Welding Manufacturing. Springer, Singapore. https://doi.org/10.1007/978-981-13-3651-5_8
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DOI: https://doi.org/10.1007/978-981-13-3651-5_8
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