期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：199
期号：3
页码：032008
DOI：10.1088/1755-1315/199/3/032008
语种：English
出版社：IOP Publishing
摘要：On the base of accident investigation of metal parts failure in circuit breaker in recent years, reasons of material defects in metal parts, i.e. material composition, mechanical properties, microstructure and inclusion defects, were summarized in this paper. In the end, the corresponding control measures were proposed.
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