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Failure analysis of a commercially pure titanium tube in an air conditioner condenser

Zhong Li (Chinese Society for Corrosion and Protection, China Association for Science and Technology, Beijing, China)
Xiaojia Yang (Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, China)
Jing Liu (Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, China)
Zhiyong Liu (Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, China)
Xiaogang Li (Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, China)
Yan Tingting (Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, China)

Anti-Corrosion Methods and Materials

ISSN: 0003-5599

Article publication date: 26 July 2021

Issue publication date: 19 August 2021

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Abstract

Purpose

The purpose of this paper is to determine the failure reasons and failure mechanism of the commercially pure titanium air conditioning condenser.

Design/methodology/approach

In this paper, chemical analysis, metallographic observation, visual examination and scanning electron microscope examination, corrosion products analysis and working conditions analysis were adopted for determining the reasons for the failure of the condenser.

Findings

The results indicated that TA2 titanium pipe perforation failure is caused by the synergistic effect of crevice corrosion and deposit corrosion. The corrosion processes can be divided into three steps.

Originality/value

This research is an originality study on the failure case of a commercially pure titanium air conditioning condenser. This study makes up for the shortage of titanium alloy failure cases and also gives the result of the failure reason and failure mechanism for titanium, which has an engineering significance.

Keywords

Acknowledgements

This work is supported by National Natural Science Foundation of China (51471034). The authors would like to thank anonymous reviewers for their helpful comments and suggestions in improving the paper.

Citation

Li, Z., Yang, X., Liu, J., Liu, Z., Li, X. and Tingting, Y. (2021), "Failure analysis of a commercially pure titanium tube in an air conditioner condenser", Anti-Corrosion Methods and Materials, Vol. 68 No. 4, pp. 269-275. https://doi.org/10.1108/ACMM-12-2020-2408

Publisher

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Emerald Publishing Limited

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