研究了带环形V缺口45钢轴类的疲劳行为,使用了两种不同缺口尺寸的样品,分别施加轴向和扭转载荷,测试其轴向缺口应力强度因子和扭转应力强度因子以及相应的疲劳寿命,得到了缺口对工件疲劳寿命不同的影响:在轴向载荷下比在扭转载荷下更大,同时得到了缺口应力强度因子与疲劳寿命很好的相关性—缺口应力强度因子越大,工件疲劳寿命越低.
参考文献
| [1] | 王洋,张述泉,刘长猛,汤海波.激光熔化沉积TC18钛合金组织及缺口高周疲劳性能[J].金属热处理,2013(05):10-13. |
| [2] | 严益民,胡正飞,林富生,赵双群.长期服役对30Cr1Mo1V钢疲劳断裂性能和组织的影响[J].材料热处理学报,2013(01):60-63. |
| [3] | Y. Akiniwa;N. Miyamoto;H. Tsuru .Notch effect on fatigue strength reduction of bearing steel in the very high cycle regime[J].International Journal of Fatigue,2006(11):1555-1565. |
| [4] | M. Makkonen .Notch size effects in the fatigue limit of steel[J].International Journal of Fatigue,2003(1):17-26. |
| [5] | McEvily A J;Endo M;Yamashita K et al.Fatigue notch sensitivity and the size effect[J].International Journal of Fatigue,2008,30:2087-2093. |
| [6] | David Taylor .Geometrical effects in fatigue: a unifying theoretical model[J].International Journal of Fatigue,1999(5):413-420. |
| [7] | Taylor D.;Wang G. .The validation of some methods of notch fatigue analysis[J].Fatigue & Fracture of Engineering Materials and Structures,2000(5):387-394. |
| [8] | Tanaka K .Engineering formulae for fatigue strength reduction due to crack-like notches[J].International Journal of Fracture,1983,22:39-45. |
| [9] | Verreman Y;Bailon J P;Masounave J .Fatigue of V-notch members:short crack behavior and endurance limit[J].Engineering Fracture Mechanics,1987,28:773-787. |
| [10] | Boukharouba T;Tamine T;Niu L et al.The use of notch stress intensity factor as a fatigue crack initiation parameter[J].Engineering Fracture Mechanics,1995,52:503-512. |
| [11] | Dunn M;Suwito W;Cunningham S et al.Fracture initiation at sharp notches under mode Ⅰ,mode Ⅱ,and mild mixed mode loading[J].International Journal of Fracture,1997,84:367-381. |
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%