E3S Web Conf.
Volume 261, 20212021 7th International Conference on Energy Materials and Environment Engineering (ICEMEE 2021)
|Number of page(s)||5|
|Section||Energy Chemistry Performance and Material Structure Analysis|
|Published online||21 May 2021|
Welding procedure research of titanium heat exchangers
Shanghai Institute of Special Equipment Inspection & Technical Research, Putuo, Shanghai, China
2 Shanghai Morimatsu Pressure Vessel Co., Ltd, Pu Dong, Shanghai, China
In order to manufacture Gr.1 titanium heat exchangers, the welding property and weld structure of titanium tube-to-tubesheet are analyzed. The procedure of Pulse GTAW is used and the visual inspection, dimensional inspection, chemical composition, mechanical properties and metallographic structures are tested and analyzed. The results show that the weld joint can get ideal structure and good chemical composition, mechanical properties and corrosion resistance. The successful welding qualification has accumulated valuable experience for manufacture of titanium heat exchangers.
© The Authors, published by EDP Sciences, 2021
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