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Erschienen in:

2024 | OriginalPaper | Buchkapitel

Effect of Welding Process on Properties of Hastelloy C-276 Deposited Metal

verfasst von : Yingli Zhao, Shuang Ji, Da Lv, Wen Chen, Yanguang Han, Nan Zhao, Dawei Zhang, Fuli Zhang

Erschienen in: Proceedings of 2023 the 6th International Conference on Mechanical Engineering and Applied Composite Materials

Verlag: Springer Nature Singapore

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Abstract

The TIG and MIG welding tests and chloride ion corrosion tests were carried out for Hastelloy C276 in order to analyze the mechanical properties, surface morphology, corrosion rate and corrosion mechanism of the deposited metal. The results show that the TIG welding droplet has a 140° angle with the base material which is not wetted and small pores are easily formed during the welding process. The corrosion resistance and elongation of the deposited metal are low, and the corrosion rate increases to 0.11 g/cm² * h. With the increase of welding power, the dendrite spacing and dendrite segregation of deposited metal can be significantly increased and the corrosion resistance can be reduced. Solution treatment can significantly improve the corrosion resistance of deposited metal with the corrosion rate decreases from 0.02 to 0.008 g/cm² * h. Slow cooling results in the precipitation of μ phase which deteriorates the corrosion resistance and mechanical properties of the material.

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Titel: Effect of Welding Process on Properties of Hastelloy C-276 Deposited Metal
verfasst von: Yingli Zhao
Shuang Ji
Da Lv
Wen Chen
Yanguang Han
Nan Zhao
Dawei Zhang
Fuli Zhang
Verlag: Springer Nature Singapore
Buch: Proceedings of 2023 the 6th International Conference on Mechanical Engineering and Applied Composite Materials
Print ISBN: 978-981-9716-77-7

Electronic ISBN: 978-981-9716-78-4

Copyright-Jahr: 2024
DOI: https://doi.org/10.1007/978-981-97-1678-4_15

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