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Failure analysis for electromagnetic relay contacts adhesion by using XES

  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Failure analysis is a vital tool used in the development of new products and for the improvement of existing products. And electromagnetic relay is indispensable and widely used in automatic electrical system, which has complex special structure and every component might fail. The failure analysis for electromagnetic relay have a series of methods applying for a number of failure models. The different failure models and failure mechanism of electromagnetic relay have been listed. Then a failure analysis process is proposed for the most common one, contacts adhesion. X-ray emission spectroscopy test is an important step in this process. It can help to observe more detail about morphology. After theoretical analysis, an actual case of failure analysis for electromagnetic relay contacts adhesion by using XES is presented, showing the feasibility and validity of the process. The failure mechanism is also analyzed. At last, some suggestions for improving reliability and avoiding contacts adhesion are given.

Original languageEnglish
Title of host publicationProceedings of 2014 Prognostics and System Health Management Conference, PHM 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages97-101
Number of pages5
ISBN (Electronic)9781479979585
DOIs
StatePublished - 16 Dec 2014
Event2014 Prognostics and System Health Management Conference, PHM 2014 - Zhangiiaijie City, China
Duration: 24 Aug 201427 Aug 2014

Publication series

NameProceedings of 2014 Prognostics and System Health Management Conference, PHM 2014

Conference

Conference2014 Prognostics and System Health Management Conference, PHM 2014
Country/TerritoryChina
CityZhangiiaijie City
Period24/08/1427/08/14

Keywords

  • XES
  • contacts
  • electromagnetic relay
  • failure analysis

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