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θ预测思想在SM41C钢蠕变寿命预测中的应用 被引量：8

Application of θ Projection Concept in Creep Life Prediction for SM41C Steel
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摘要 本文研究了 SM41C钢蠕变变形的特点 ,并通过修正的 θ预测思想成功地描述了该钢的恒载荷蠕变曲线 ,而 Evans R W的 θ预测思想只能用于恒应力蠕变。结果表明 :这种修正的 θ预测思想可以很好地预测 The creep features for SM41C steel were examined. A modified θ Projection Concept was applied successfully to the steel to predict long term constant load creep curves for SM41C steel. Whereas the θ projection concept presented by Evans R W can not be applied otherwise than predicting long term constant stress curves. The result shows that the concept is successful in predicting the constant load creep curves for SM41C steel up to rupture.
作者 郭宏 张文泉
机构地区 北京工业大学材料科学与工程学院
出处 《钢铁研究学报》 CAS CSCD 北大核心 2000年第5期54-57,共4页 Journal of Iron and Steel Research
关键词 θ预测思想 SM41C 蠕变寿命预测 projection concept creep life prediction
分类号 TG113.255 [金属学及工艺—物理冶金]
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参考文献2

  • 1[1] Evans R W, Parker J D， Wilshire B. Recent Advance in Creep and Fracture of Engineering Materials and Structures [M]. Wilshire B， Owen D R J eds. Swansea: Pineridge Press,1982.
  • 2[2] Evans R W， Wilshire B. Creep of Metals and Alloys [M]. London: The Institute of Metals,1985.

同被引文献48

  • 1岳珠峰,郑长卿,尹泽勇,杨治国.Ni基单晶超合金的蠕变本构方程及寿命预测模型研究[J].机械强度,1994,16(4):1-5. 被引量：3
  • 2岳珠峰,吕震宙,郑长卿.镍基单晶高温合金的蠕变损伤规律研究[J].金属学报,1995,31(8). 被引量：8
  • 3范丽霞,潘春旭,蒋昌忠,付强,吴佑明.奥氏体不锈钢超高温服役过程中组织转变和晶界特征的EBSD研究[J].中国体视学与图像分析,2005,10(4):233-236. 被引量：7
  • 4胡南昌,尚丽娟,田素贵,宋贵宏.用修正的θ函数预测单晶镍基高温合金的蠕变寿命[J].钢铁研究学报,2007,19(6):82-86. 被引量：4
  • 5WILSHIRE B. New high-precision creep procedures for accu- rate life extension of plant [J]. International Journal of Pres- sure Vessels and Piping, 1989, 39(1/2):73-82.
  • 6CAN B J. Remaining creep life estimation by strain assessment on plant [J]. International Journal Of Pressure Vessels and Piping, 1982,10(1) : 11-30.
  • 7EVANS R W, WILSHIRE B. Creep of metals and alloys [M]. London:The Institute of Metals, 1985.
  • 8BROWN 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.
  • 9EVANS R W, PARKER J D, WILSHIRE B. An extrapola- tion procedure for long-term creep strain and creep life predicti on 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.
  • 10WOLF H, MATHEWS M D, MANNAN S L. Prediction of creep parameters of type 316 stainless steel under service con- ditions using theta projection concept [J]. Mater Sci Eng A, 1992,159 : 199-204.

引证文献8

二级引证文献12

钢铁研究学报
2000年 第5期

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