대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제29권1호
  • /
  • Pages.74-80
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  • 2005
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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시간-온도 파라미터 방법에 의한 Type 316LN 강의 크리프 수명 예측과 표준오차 분석

Creep-Life Prediction and Standard Error Analysis of Type 316LN Stainless Steel by Time-Temperature Parametric Methods

  • 윤송남 (숭실대학교 기계공학과) ;
  • 류우석 (한국원자력연구소) ;
  • 이원 (숭실대학교 기계공학과) ;
  • 김우곤 (한국원자력연구소 원자력재료기술개발부)
  • 발행 : 2005.01.01
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초록

A number of creep rupture data for type 316LN stainless steels were collected through literature survey or experimental data produced in KAERI. Using these data, polynomial equations for predicting creep life were obtained by Larson-Miller (L-M), Orr-Sherby-Dorn (O-S-D) and Manson-Haferd (M-H) parameters using time-temperature parametric (TTP) methods. Standard error of estimate (SEE) values for the each parameter was obtained with different temperatures through the statistical process of the creep data. The results of L-M, O-S-D and M-H methods showed good creep-life prediction, but M-H method showed better agreement than L-M and O-S-D methods. Especially, it was found that SEE values of M-H method at $700^{\circ}C$ were lower than that of L-M and O-S-D methods.

키워드

참고문헌

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피인용 문헌

  1. Creep-Fatigue Life Design with Various Stress and Temperature Conditions on the Basis of Lethargy Coefficient vol.35, pp.2, 2011, https://doi.org/10.3795/KSME-A.2011.35.2.157