概述了近年来已有高温金属构件蠕变寿命的预测方法及其特点.主要介绍了以持久强度实验外推为主的Larson-Miller法、Orr-Sherby-Dorn法和Robinson线性断裂法则;基于蠕变曲线分析的Omega法、θ投影法以及逐步外推法;基于物理机制的连续介质蠕变损伤模型(CDM)预测方法.通过对上述方法的比较和分析,最后指出基于CDM模型蠕变寿命预测方法由于其具有统一的数学表达形式,因而在预测高温金属构件蠕变寿命方面具有很大应用潜力.
参考文献
[1] | 凌祥,涂善东.高温构件寿命评价技术研究现状和进展[J].机械工程材料,2002(10):4-6,43. |
[2] | 涂善东.高温过程设备的寿命评价技术进展[J].压力容器,1996(02):61. |
[3] | Brian Dyson .Use of CDM in Materials Modeling and Component Creep Life Prediction[J].Journal of pressure vessel technology,2000(3):281-296. |
[4] | ?eruga, D.;Nagode, M. .Unification of the most commonly used time-temperature creep parameters[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(6):2804-2811. |
[5] | Lee J S;Armaki H G;Maruyama K et al.Reliability assessment of creep rupture life for Gr.91 steel[J].MATERIALS SCIENCE & ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2006,428(02):270. |
[6] | Kouichi Maruyama;Hassan Ghassemi Armaki;Kyosuke Yoshimi .Multiregion analysis of creep rupture data of 316 stainless steel[J].International Journal of Pressure Vessels and Piping,2007(3):171-176. |
[7] | Cocks A C F;Ashby M F .On creep fracture by void growth[J].Progress in Material Science,1982,27(3-4):189. |
[8] | Evans R W;Wilshire B.A new theoretical and practical approach to creep and creep fracture strength of metals and alloys[A].Canada:Montreal,1986:1807. |
[9] | Fujio Abe;Torsten-Ulf Kern;Viswanathan R.Creep-resistant steels[M].New York:Wood head,2008 |
[10] | Martin Prager .The Omega Method-An Engineering Approach to Life Assessment[J].Journal of pressure vessel technology,2000(3):273-280. |
[11] | API 579,Fitness-For-Service[S].Washington:API Publishing Services,2007. |
[12] | 束国刚,李益民,赵彦芬,梁昌乾,王荣山,陈国良,郭宏,孙继跃.基于蠕变曲线的12Cr1MoV钢寿命外推计算方法[J].热力发电,2000(06):32-35. |
[13] | Kowalewski Z L;Hayhurst D R;Dyson B F .Mechanismsbased creep constitutive equations for an aluminium alloy[J].Strain Anal Eng Des,1994,29(04):309. |
[14] | 马崇 .P92钢焊接接头Ⅳ型蠕变开裂机理及预测方法研究[D].天津:天津大学,2010. |
[15] | Semba H;Dyson B;McLean M.Creep & fracture in high temperature components-design & life assessment issues[A].London,2005 |
[16] | Hore, S.;Ghosh, R.N. .Computer simulation of the high temperature creep behaviour of Cr-Mo steels[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(19/20):6095-6102. |
[17] | R. Oruganti;M. Karadge;S. Swaminathan .Damage mechanics-based creep model for 9-10%Cr ferritic steels[J].Acta materialia,2011(5):2145-2155. |
[18] | Mustata R;Hayhurst D R .Creep constitutive equations for a 0.5Cr0.5Mo0.25V ferritic steel in the temperature range 565-675 ℃[J].Pressure Vessels Piping,2005,82(05):363. |
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