Study on long time corrosion resistance of titanium welded tube

Li Haiming; Hu Xingguang; Li Junzhao; Liu Wenzheng; Yang Weijun

doi:10.7513/j.issn.1004-7638.2023.04.013

Volume 44 Issue 4

Aug. 2023

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Li Haiming, Hu Xingguang, Li Junzhao, Liu Wenzheng, Yang Weijun. Study on long time corrosion resistance of titanium welded tube[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 85-88. doi: 10.7513/j.issn.1004-7638.2023.04.013

Citation:

Li Haiming, Hu Xingguang, Li Junzhao, Liu Wenzheng, Yang Weijun. Study on long time corrosion resistance of titanium welded tube[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 85-88. doi: 10.7513/j.issn.1004-7638.2023.04.013

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Study on long time corrosion resistance of titanium welded tube

doi: 10.7513/j.issn.1004-7638.2023.04.013

Hunan Xiangtou Goldsky New Materials Co., Ltd., Yiyang 413000, Hunan, China

Received Date: 2023-03-22
Publish Date: 2023-08-30

Abstract

Abstract

Simulating different operating conditions the corrosion resistance of titanium welded pipe in tap water, 5% magnesium chloride aqueous solution, seawater and 10% sulfuric acid solution soaked for a long time was studied through macro-size detection, metallographic analysis and mechanical properties test. The results show that there is almost no evident corrosion of titanium welded pipe after long-term immersion in tap water, 5% magnesium chloride aqueous solution and seawater. The corrosion rate is 0.333, 0.466 μm /year and 0.466 μm/year, respectively, representing a predominant corrosion resistance of titanium welded pipe. The titanium welded pipe can be corroded after a long-term immersion in 10% sulfuric acid solution. The wall of titanium welded pipe becomes thinned with a reduction rate of 2% . The corrosion rate is 1.398 μm/year, and the corrosion resistance is worse than the other three solutions. This research is of great significance to the application of titanium welded pipe in domestic water, salt making, ocean engineering and seawater desalination.
- titanium welded tube,
- corrosion resistance,
- macroscopic dimension,
- metallographic analysis

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References(10)

References

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