Research Progress on the Effect of Water Vapor Content and Pre - Oxidation on High Temperature Corrosion Properties of Metal Materials

WU Duo - li, LIU Su, ZHENG Jia - yin, YUAN Zi - yi, CAO Pan, WEI Xin - long, ZHANG Chao

doi:10.16577/j.issn.1001-1560.2022.0184

2022 , Vol. 55 >Issue 7: 49 - 65

DOI: https://doi.org/10.16577/j.issn.1001-1560.2022.0184

Research Progress on the Effect of Water Vapor Content and Pre - Oxidation on High Temperature Corrosion Properties of Metal Materials

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College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China

Received date: 2022-02-17

Revised date: 2022-03-03

Accepted date: 2022-03-31

Online published: 2023-12-15

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Abstract

As high temperature corrosion of metel materials is common in the working environment of mechanical parts, it is of great practical significance to study the factors influencing the high temperature corrosion properties of metal materials. In this work, the macroscopic and microscopic factors affecting high temperature corrosion and the main countermeasures were reviewed and the mechanism of high temperature corrosion was summarized. The influence of water vapor (humidity) as well as the inhibition effect of pre - oxidation on high temperature corrosion were emphatically analyzed and the mechanism of high temperature corrosion in the environments containing water vapor was summarized. Based on the inductive research of a large number of literatures, it was revealed that in most cases the severity of spalling condition of the oxidation layer and the corrosion rate increased with the rise of the water vapor content. However, a few literatures reported that in the atmosphere containing water vapor, the corrosion rate was reduced and the corrosion resistance was improved. In addition, some special elements such as Pt, Y and Hf added into the material had a certain mitigation effect on the corrosion accelerated by water vapor. The pre - oxidation could form oxide layer on the surface of materials in advance and had an obvious effect on improving the anti - high - temperature corrosion properties of materials. This distinguished the pre-oxidation from viarous other methods uesd for the same purpose. In addition, the influencing rules of pre - oxidation duration, temperature and atmosphere on the anti - high - temperature corrosion properties were analyzed.

Key words： high temperature corrosion; water vapor; pre-oxidation; temperature; atmosphere

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WU Duo - li, LIU Su, ZHENG Jia - yin, YUAN Zi - yi, CAO Pan, WEI Xin - long, ZHANG Chao . Research Progress on the Effect of Water Vapor Content and Pre - Oxidation on High Temperature Corrosion Properties of Metal Materials[J]. Materials Protection, 2022 , 55(7) : 49 -65 . DOI: 10.16577/j.issn.1001-1560.2022.0184

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