한국소성가공학회:학술대회논문집 (Proceedings of the Korean Society for Technology of Plasticity Conference)

한국소성∙가공학회 (The Korean Society for Technology of Plasticity and materials processing)
권호 표지

USC 발전용 HIP Rotor의 단조 공정 연구

Investigation on the forging process of HIP rotor for USC power plant

  • 김동권 (두산중공업 기술연구원 소재개발팀) ;
  • 김영득 (두산중공업 기술연구원 소재개발팀) ;
  • 강성태 (두산중공업 기술연구원 소재개발팀) ;
  • 김동영 (두산중공업 기술연구원 소재개발팀)
  • 발행 : 2005.05.01
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초록

To improve the efficiency of fossil power plant, the higher steam temperature and pressure are required. Ultra super critical(USC) system meets very well this requirement. The HIP rotor is one of the most important parts of turbine in USC system and its material is easy to crack during hot forging. In this study, the upsetting and cogging process far $12\%Cr$ ESR ingot was analyzed and it is suggested a optimum process to avoid surface crack. The results were verified by test product with 4,200 tonnage press.

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