借助热像法和能量法快速确定了单轴循环应力作用下Q235钢的疲劳性能参数,与传统实验结果相比,吻合较好.基于极限能理论假设,建立了Miner线性累积损伤理论的能量模型以预测构件的残余寿命.研究结果表明:热像法和能量法可以在较短的实验周期内快速地确定材料的疲劳极限和S-N曲线等疲劳性能参数；Miner理论的能量模型具有明确的物理意义,能准确预测循环载荷作用下构件的残余寿命.
参考文献
| [1] | 郭杏林,王晓钢.疲劳热像法研究综述[J].力学进展,2009(02):217-227. |
| [2] | 樊俊铃,郭杏林,赵延广,吴承伟.定量热像法预测焊接接头的S-N曲线和残余寿命[J].材料工程,2011(12):29-33. |
| [3] | GUO X L;FAN J L;ZHAO Y G .Fatigue behavior analysis of cruciform welded joints by infrared thermographic method[J].Current Advances in Materials and Processes,2011,197-198:1395-1399. |
| [4] | 樊俊铃,郭杏林,吴承伟,邓德伟.热处理对FV520B钢疲劳性能的影响[J].材料研究学报,2012(01):61-67. |
| [5] | Minh Phong Luong .Fatigue limit evaluation of metals using an infrared thermographic technique[J].Mechanics of materials,1998(1/4):155-163. |
| [6] | G. Fargione;A. Geraci;G. La Rosa .Rapid determination of the fatigue curve by the thermographic method[J].International Journal of Fatigue,2002(1):11-19. |
| [7] | Jaehoon Kim;H.-Y. Jeong .A study on the hysteresis, surface temperature change and fatigue life of SM490A, SM490A-weld and FC250 metal materials[J].International Journal of Fatigue,2010(7):1159-1166. |
| [8] | V. Crupi;E. Guglielmino;M. Maestro;A. Marino .Fatigue analysis of butt welded AH36 steel joints: Thermographic Method and design S-N curve[J].Marine structures,2009(3):504-521. |
| [9] | UMMENHOFER T;MEDGENBERG J .On the use of infrared thermography for the analysis of fatigue damage process in welded joints[J].International Journal of Fatigue,2009,31(01):130137. |
| [10] | B. YANG;P.K. LIAW;M. MORRISON .Temperature evolution during fatigue damage[J].Intermetallics,2005(3/4):419-428. |
| [11] | Fan, J.L.;Guo, X.L.;Wu, C.W.;Zhao, Y.G. .Research on fatigue behavior evaluation and fatigue fracture mechanisms of cruciform welded joints[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(29/30):8417-8427. |
| [12] | V. Crupi .An Unifying Approach to assess the structural strength[J].International Journal of Fatigue,2008(7):1150-1159. |
| [13] | FAN J L;GUO X L;ZHAO Y G et al.Research of fatigue fracture on fillet welded joints made of FV520B[J].Applied Mechanics and Materials,2012,121-126:559-563. |
| [14] | Risitano, A.;Risitano, G. .Cumulative damage evaluation of steel using infrared thermography[J].Theoretical and Applied Fracture Mechanics,2010(2):82-90. |
| [15] | 轩福贞 .复合材料层板疲劳损伤的有效能耗分析法[J].复合材料学报,1997,14(03):115-124. |
| [16] | 王永廉 .用累积滞后能描述疲劳损伤[J].机械强度,1993,15(03):58-65. |
| [17] | WU F M .Estimation of fatigue life under random loading with plastic hysteresis energy theory[J].Chinese Journal of Aeronautics,1994,7(04):289-294. |
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