基于修正θ投影法的炉管用Cr25Ni35Nb钢蠕变寿命预测
Creep Life Prediction of Cr25Ni35Nb Steel for Furnace Tube Based on Modified θ Projection Method
摘 要
通过在不同温度和应力下对炉管用Cr25Ni35Nb钢进行蠕变试验, 并采用修正θ 投影法对Cr25Ni35Nb钢的蠕变曲线进行拟合, 得出了蠕变方程中参数θi的数学表达式, 建立了钢在任意温度和应力条件下的蠕变曲线方程。在此基础上, 对该钢的蠕变寿命进行了预测, 并与实际使用寿命进行了对比, 结果两者吻合较好。
Cr25Ni35Nb钢
蠕变
寿命预测
modified θ projection concept
Cr25Ni35Nb steel
creep
life prediction
Abstract
The creep tests on Cr25Ni35Nb steel for furnace tube were carried out under different temperatures and stresses. The creep curves of the Cr25Ni35Nb steel were fitted by the modified θ projection concept method. A mathematical expression of the parameter θi in creep equation was obtained. The creep equation of Cr25Ni35Nb steel under arbitrary temperature and stress condition could be established. By the established creep equation, the creep life of the steel was predicted. The results of prediction agreed with the actual life well.
中图分类号 TG113.25
所属栏目
基金项目 国家“863”计划项目(2007AA04Z407); 国家自然科学基金资助项目(50775107); 南京工业大学学科基金资助项目
收稿日期 2010/11/29
修改稿日期 2011/10/11
网络出版日期
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备注耿鲁阳(1976-), 男, 江苏淮安人, 讲师, 博士研究生。
引用该论文: GENG Lu-yang,LIU Jian-jie,GONG Jian-ming,JIANG Yong,KEE Bong-yoon,SHEN Li-min. Creep Life Prediction of Cr25Ni35Nb Steel for Furnace Tube Based on Modified θ Projection Method[J]. Materials for mechancial engineering, 2011, 35(12): 93～96
耿鲁阳,刘建杰,巩建鸣,姜勇,尹基奉,沈利民. 基于修正θ投影法的炉管用Cr25Ni35Nb钢蠕变寿命预测[J]. 机械工程材料, 2011, 35(12): 93～96
被引情况:
【1】蔡庆木,刘月明,黄昌清,楼俊,田维坚, "火电厂高温压力管道寿命预测模型的可靠性及进展",机械工程材料 36, 5-9(2012)
【2】朱合范,曹歌,王旭,潘红良, "环形炉内罩用310S耐热不锈钢的蠕变寿命预测",机械工程材料 38, 86-89(2014)
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参考文献
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【6】WOLF H, MATHEWS M D, MANNAN S L. Prediction of creep parameters of type 316 stainless steel under service conditions using theta projection concept [J]. Mater Sci Eng A,1992,159:199-204.
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【8】郭宏, 张文泉. θ预测思想在SM41C钢蠕变寿命预测中的应用[J]. 钢铁研究学报,2000,12(5):54-57.
【9】杨王月, 李志文. θ法预测12Cr1MoV钢主蒸汽管道材料剩余寿命[J]. 金属学报,1999,35(7):721-725.
【10】OIKAWA H, MARUYAMA K. Prediction of long-term creep curves [J]. Fusion Engineering and Design,1992 ,19(4):321-328.
【11】MARUYAMA K, OIKAWA H. An analysis of high temperature creep as relaxation processes with special reference to CrMoV steels [J]. Transactions of the Japan Institute of Metals C,1987,28:291-298.
【12】MARUYAMA K, HARADA C, OIKAWA H. A strain-time equation applicable up to tertiary creep stage [J]. Journal of the Society of Materials Science,1985,34:1289-1295.
【13】郭宏. DD3单晶高温合金疲劳蠕变交互作用断裂机理与形变规律研究[D]. 北京:北京科技大学,1995.
【14】DYSON B F, GIBBONS T. Tertiary creep in nickel-base superalloys:analysis of experimental data and theoretical synthesis [J]. Acta Metallurgica,1987,35:2355-2369.
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【16】National Research Institute of Metals.NRIM creep data sheet [R]. Tokyo:NRIM,1991.
【2】CAN B J.Remaining creep life estimation by strain assessment on plant [J]. International Journal of Pressure Vessels and Piping,1982,10(1):11-30.
【3】EVANS R W, WILSHIRE B. Creep of metals and alloys [M]. London:The Institute of Metals,1985.
【4】BROWN S G R, EVANS R W, WILSHIRE B. A comparison of extrapolation techniques for long-term creep strain and creep life prediction based on equations designed to represent creep curve shape [J]. International Journal of Pressure Vessels and Piping,1986,24(3):251-268.
【5】EVANS R W, PARKER J D, WILSHIRE B. An extrapolation procedure for long-term creep strain and creep life prediction with special reference to 1/2Cr1/2Mo1/4V ferritic steels [C]// Recent Advanced in Creep and Fracture of Engineering Materials and Structure. Swansea: Pineridge Press,1982.
【6】WOLF H, MATHEWS M D, MANNAN S L. Prediction of creep parameters of type 316 stainless steel under service conditions using theta projection concept [J]. Mater Sci Eng A,1992,159:199-204.
【7】KIM W G, YIN S N, KIM Y W, et al. Creep characterization of a Ni-based Hastelloy-X alloy by using theta projection method [J]. Engineering Fracture Mechanics,2008,75:4985-4995.
【8】郭宏, 张文泉. θ预测思想在SM41C钢蠕变寿命预测中的应用[J]. 钢铁研究学报,2000,12(5):54-57.
【9】杨王月, 李志文. θ法预测12Cr1MoV钢主蒸汽管道材料剩余寿命[J]. 金属学报,1999,35(7):721-725.
【10】OIKAWA H, MARUYAMA K. Prediction of long-term creep curves [J]. Fusion Engineering and Design,1992 ,19(4):321-328.
【11】MARUYAMA K, OIKAWA H. An analysis of high temperature creep as relaxation processes with special reference to CrMoV steels [J]. Transactions of the Japan Institute of Metals C,1987,28:291-298.
【12】MARUYAMA K, HARADA C, OIKAWA H. A strain-time equation applicable up to tertiary creep stage [J]. Journal of the Society of Materials Science,1985,34:1289-1295.
【13】郭宏. DD3单晶高温合金疲劳蠕变交互作用断裂机理与形变规律研究[D]. 北京:北京科技大学,1995.
【14】DYSON B F, GIBBONS T. Tertiary creep in nickel-base superalloys:analysis of experimental data and theoretical synthesis [J]. Acta Metallurgica,1987,35:2355-2369.
【15】涂善东. 高温结构完整性原理[M]. 北京: 科学出版社,2003.
【16】National Research Institute of Metals.NRIM creep data sheet [R]. Tokyo:NRIM,1991.
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