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  • 标题:Fracture analysis and countermeasures of the grid switch castings
  • 本地全文:下载
  • 作者:Chao Feng ; Siyuan Yang ; Qiao Li
  • 期刊名称:E3S Web of Conferences
  • 印刷版ISSN:2267-1242
  • 电子版ISSN:2267-1242
  • 出版年度:2020
  • 卷号:165
  • 页码:1-4
  • DOI:10.1051/e3sconf/202016506015
  • 出版社:EDP Sciences
  • 摘要:Based on the detection technology of direct reading spectrum, metallographic microscope and X-ray, the defects of the grid switch castings were analyzed. The four main forms of casting fracture were summarized as poor physical and chemical properties, material misuse, casting defects and designing defects. In order to strengthen the quality control of the source of the product, it was proposed to carry out targeted network inspection in the two stages of material arrival and infrastructure acceptance.
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