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KSME international journal v.16 no.11, 2002년, pp.1420 - 1427   피인용횟수: 7

Evaluation of Monkman-Grant Parameters for Type 316LN and Modified 9Cr-Mo Stainless Steels

Kim, Woo-Gon   (Department of Nuclear Material Technology Development, Korea Atomic Energy Research InstituteCC0186830  ); Kim, Sung-Ho   (Department of Nuclear Material Technology Development, Korea Atomic Energy Research InstituteCC0186830  ); Ryu, Woo-Seog   (Department of Nuclear Material Technology Development, Korea Atomic Energy Research InstituteCC0186830  );
  • 초록

    The Monkman-Grant (M-G) and its modified parameters were evaluated for type 316LN and modified 9Cr-Mo stainless steels prepared with minor element variations. Several sets of creep data for the two alloy systems were obtained by constant-load creep tests in 550~650 $\^{C}$ temperature range. The M-G parameters, m, m', C, and C' were proposed and discussed for the two alloy systems. The m value of the M-C relation was 0.90 in type 316LN steel and 0.84 in modified 9Cr-Mo steel. The m' value of the modified relation was 0.94 in type 316LN steel and 0.89 in 9Cr-Mo steel. Although creep fracture modes and creep properties between type 316LN and modified 9Cr-Mo steels showed a basic difference, the M-G and its modified relations demonstrated linearity quite well. The m' of modified relation almost overlapped regardless of the creep testing conditions and chemical variations in the two alloy systems, and the parameter m' was closer to unity than that of the M-G relation.


  • 주제어

    Monkman-Grant (M-G) Parameter .   Creep .   Type 316 LN Stainless Steel .   9Cr-Mo Stainless Steel .   Steady-State Creep Rate .   Rupture Time.  

  • 참고문헌 (18)

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    10. Kim, W.G., Kim, S.H. and Ryu, W.S., 2001, 'Creep Characterization of Type 316LN Stainless Steel and HT-9 Stainless Steels by the K-R Damage Model,' KSME International Journal, Vol. 15, No. 11, pp. 1463-1471     
    11. Kim, W.G., Kim, D.W. and Ryu, W.S., 2000, 'Applicability of Monkman-Grant Relationships to Type 316L(N) Stainless Steel,' Transactions of the KSME A, Vol. 24, No. 9, pp. 2326-2333 
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  • 이 논문을 인용한 문헌 (7)

    1. Kim, Woo-Gon ; Lee, Kyung-Yong ; Ryu, Woo-Seog 2003. "Usefulness of Creep Work-Time ]Relation for Determining Stress Intensity Limit of High-Temperature Components" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 27(5): 750~757     
    2. Oh, Sun-Sae ; Yi, Won 2004. "Cutting Characteristics and Deformed Layer of Type 316LN Stainless Steel" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 28(2): 196~205     
    3. Yoon Song Nam ; Ryu Woo Seog ; Yi Won ; Kim Woo Gon 2005. "Creep-Life Prediction and Standard Error Analysis of Type 316LN Stainless Steel by Time-Temperature Parametric Methods" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 29(1): 74~80     
    4. Yin, Song-Nan ; Ryu, Woo-Seog ; Yi, Won ; Kim, Woo-Gon 2007. "Creep-Life Prediction and Its Error Analysis by the Time Temperature Parameters and the Minimum Commitment Method" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 31(2): 160~165     
    5. Yin, Song-Nan ; Kim, Woo-Gon ; Jung, Ik-Hee ; Kim, Yong-Wan 2009. "Suggestion and Evaluation of a Multi-Regression Linear Model for Creep Life Prediction of Alloy 617" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 33(4): 366~372     
    6. Yin, Song-Nan ; Kim, Woo-Gon ; Park, Jae-Young ; Kim, Soen-Jin ; Kim, Yong-Wan 2010. "Taylor Series-Based Long-Term Creep-Life Prediction of Alloy 617" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 34(4): 457~465     
    7. Park, Jae-Young ; Kim, Woo-Gon ; Ekaputra, I.M.W. ; Kim, Seon-Jin ; Kim, Eung-Seon 2015. "Correlation Between Transient Regime and Steady-State Regime on Creep Crack Growth Behavior of Grade 91 Steel" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 39(12): 1257~1263     

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