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Analysis of variable Acceleration Factor in internal and external field salt spray tests

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Acceleration Factor (AF) is a quantitative index used to explain the acceleration. It only reveals a certain point acceleration rate and does not reflect the acceleration of the whole life, as a result the concept of acceleration shift factor is introduced. In this paper, the ageing of coating was studied to evaluate the relationship among internal and external field salt spray tests. The internal field was conducted in the laboratory, while test under shed at Wanning station was considered as the external field. The experimental results evidenced that the corrosion degradation phenomena obtained the commendable simulation and reproduction, based on the correlation analysis of the electrochemical impedance spectroscopy. Furthermore, AF was not a constant as it traditionally was and was dynamic over time. AF of coating gradually increased as time went on with decreasing range. AF was only 5.94 initially and tended to a constant before the corrosion mechanism was changed.

源语言英语
主期刊名Safety and Reliability of Complex Engineered Systems - Proceedings of the 25th European Safety and Reliability Conference, ESREL 2015
编辑Luca Podofillini, Bruno Sudret, Božidar Stojadinović, Enrico Zio, Wolfgang Kröger
出版商CRC Press/Balkema
2161-2165
页数5
ISBN(印刷版)9781138028791
DOI
出版状态已出版 - 2015
活动25th European Safety and Reliability Conference, ESREL 2015 - Zurich, 斯威士兰
期限: 7 9月 201510 9月 2015

出版系列

姓名Safety and Reliability of Complex Engineered Systems - Proceedings of the 25th European Safety and Reliability Conference, ESREL 2015

会议

会议25th European Safety and Reliability Conference, ESREL 2015
国家/地区斯威士兰
Zurich
时期7/09/1510/09/15

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