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Failure analysis of 20CrMnTi steel spiral rods in low air pressure rock drill

  

  1. School of Materials Science and Engineering, Shandong Jianzhu University; Weifang Tian Rui Heavy Industry Drilling Machinery Co., Ltd.
  • Online:2014-09-25 Published:2014-09-30

Key words: low air pressure rock drill, 20CrMnTi steel, spiral rods, failure analysis

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