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Variation of Impact Values by Heat Treatment Temperature to Prevent Brittle Fracture of Roll Shell Steel

압연롤강의 취성파괴 방지를 위한 열처리 온도에 따른 충격치 변화에 관한 연구 (I)

  • Received : 2011.07.25
  • Accepted : 2011.10.17
  • Published : 2011.10.31

Abstract

This study involved a series of experiments, which included impact tests (drop weight & Charpy) and hardness tests under various heat treatment conditions, followed by fractography observations of Normal Roll Shell steel (NRS), Abnormal Roll Shell steel (ARS), and S25C steel, in order to analyze the cause of brittle fracture and damages in Roll Shell steel. The optimal tempering temperature was characterized for ARS and NRS.

Keywords

Impact test;Heat treatment;Roll shell steel;Brittle fracture;Tempering

References

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Acknowledgement

Supported by : 한국연구재단(NRF)