从理论上分析了衰减对非线性超声测量值的影响,并根据实际检测条件提出了一种利用时域能量对衰减进行修正的方法.以不同蠕变状态的P91钢及其焊缝为检测对象,对比了衰减修正前后的非线性超声测量值,实验结果证明,在蠕变程度较高或衰减较大的条件下,该方法能够有效的修正衰减对非线性系数测量值的影响,应用该方法可以对P91及其焊缝的蠕变状态做出更为准确的评价.
参考文献
| [1] | WATANABE T,TABUCHI M,YAMAZAKI M,et al .Creep damage evaluation of 9Cr-1Mo-V-Nb steel welded joints showing type Ⅳ fracture[J].International Journal of Pressure Vessels and Piping,2006,83(1):63-71.,2006. |
| [2] | HYDE T H,LI R,SUN W,et al .A simplified method for predicting the creep crack growth in P91 welds at 650℃[J].Proceedings of the Institution of Mechanical Engineers,2010,224(4):208-219.,2010. |
| [3] | 涂善东,轩福贞,王卫泽.高温蠕变与断裂评价的若干关键问题[J].金属学报,2009(07):781-787. |
| [4] | HONG S,LEE S .Mechanism of dynamic strain aging and characterization of its effect on the low-cycle fatigue behavior in type 316L stainless steel[J].Journal of Nuclear Materials,2005,340:307-314.,2005. |
| [5] | 席与珩,刘丽梅,崔雄华,郑坊平.锅炉导汽管材质状态和蠕变剩余寿命评估[J].热力发电,2011(08):8-11. |
| [6] | 尚丽娟,田素贵,王晓亮,张特,陈礼清.403Nb钢的组织特征与蠕变行为[J].材料热处理学报,2011(08):79-83. |
| [7] | 高宏波,谢守明,赵杰,王来,韩双起,王富岗.在役电站锅炉导汽管组织状态评估与剩余寿命预测[J].热力发电,2004(06):71-74. |
| [8] | 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. |
| [9] | DAGA R,BANDYOPADHYAY G,SAMAL M K,et al .Consumed creep life fraction assessment of critical locations of an inservice super heater outlet header under surveillance programme[J].Transactions of the Indian Institute of Metals,2010,63(2):423-429.,2010. |
| [10] | MAHARAJ C,DEAR J P,MORRIS A .A review of methods to estimate creep damage in low-alloy steel power station steam pipes[J].Strain,2009,45(4):316-331.,2009. |
| [11] | SPOSITO G,WARD C,CAWLEY P,et al .A review of nondestructive techniques for the detection of creep damage in power plant steels[J].NDT & E International,2010,43(7):555-567.,2010. |
| [12] | HATANAKA H,IDO N,ITO T,et al .Ultrasonic creep damage detection by frequency analysis for boiler piping[J].Journal of Pressure Vessel Technology,2007,129(4):713-718.,2007. |
| [13] | KIM D Y,KIM H J,SONG S J,et al.Ultrasonic Method forPrediction of Residual Life of Creep Damaged Materials[M].Melville:Amer Insit Physics,AIP Conference Proceedings,2009:1096,1402-1409.,2009. |
| [14] | MANNAN S L,MATHEW M D.Creep Properties of Service-exposed Alloy 625 after Resolution Annealing Treatment and Microstructural Assessment Using Ultrasonic Waves[M].Fracture Mechanics Symposium,Shanghai:East China Univ Science and Technology Press,2009.23-30.,2009. |
| [15] | OHTANI T,OGI H,HIRAO M .Noncontact evaluation of surface-wave nonlinearity for creep damage in Cr-Mo-V steel[J].Japanese Journal of Applied Physics,2009,48 |
| [16] | NARAYANA V J S,BALASUBRAMANIAM K,PRAKASH R V.Detection and prediction of creep-damage of copper using nonlinear acoustic techniques[C]//Review of Progress In Quantitative Nondestructive Evaluation,AIP Publishing,2010,1211(1):1410-1417.,2010. |
| [17] | BABY S,NAGARAJA KOWMUDI B,OMPRAKASH C M,et al .Creep damage assessment in titanium alloy using a nonlinear ultrasonic technique[J].ScriptaMaterialia,2008,59(8):818-821.,2008. |
| [18] | KIM C,PARK I .Microstructural degradation assessment in pressure vessel steel by harmonic generation technique[J].Journal of Nuclear Science and Technology,2008,45(10):1036-1040.,2008. |
| [19] | ALVAREZARENAS T G,DESARABIA E R,GALLEGOJUAREZ J A .Ultrasonic evaluation of creep damage in steel[J].Ultrasonics,1993,31(3):155-159.,1993. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%