以[0°]单层和[±20°]双层橡胶复合材料为研究对象,对其在拉伸载荷下的疲劳损伤进行了研究.研究表明,疲劳载荷作用下,两类材料的周期最大应变随循环周次的变化均遵循三阶段规律,应变的变化对应着疲劳损伤从萌生、稳定扩展到加速扩展直至整体破坏的过程.单层和双层材料的疲劳破坏分别为帘线控制和基体控制.数据分析表明,用加载最大应力表征的疲劳寿命与循环周次的对数近似成线性关系.疲劳过程中材料的滞后损失基本保持不变.滞后损失和导热系数的差异是造成不同种类试件表面温升差异的主要原因.
参考文献
| [1] | HUANG Y S;YEOH O H .Crack initiation and propagation in model cord-rubber composites[J].Rubber Chemistry and Technology,1989,62(04):709-714. |
| [2] | LEE B L;LIIU D S .Cumulative damage of fiber-reinforced elastomer composite under fatigue loading[J].Journal of Composite Materials,1994,28(13):1261-1286. |
| [3] | LEE B L;KU B H;LIU D S et al.Fatigue of cord-rubber composites:II strain-based fatigue failure criteria[J].Rubber Chemistry and Technology,1998,71(02):866-888. |
| [4] | KU B H;LIU D S;LEE B L .Fatigue of cord-rubber composites:III minimum stress effect[J].Rubber Chemistry and Technology,1998,71(02):889-1009. |
| [5] | 刘宇艳,万志敏,田振辉,杜星文.单向聚酯帘线增强橡胶材料疲劳特性研究[J].复合材料学报,1998(04):97-101. |
| [6] | 田振辉,刘宇艳,万志敏,杜星文.聚酯增强橡胶疲劳破坏实验研究[J].材料工程,2000(04):34-37. |
| [7] | CROSCH K .Rolling resistance and fatigue life of tires[J].Rubber Chemistry and Technology,1988,61(01):42-63. |
| [8] | 谭惠丰 .柔性复合材料双重非线性层合理论研究[D].哈尔滨工业大学,1997. |
| [9] | LAKE G J .Mechanical fatigue of rubber[J].Rubber Chemistry and Technology,1972,45(01):307-328. |
| [10] | YOUNG D G.Fatigue and fracture of elastomeric materials[J].Rubber World,1991(03):30-34. |
| [11] | HAMED G R .Molecular aspects of the fatigue and fracture of rubber[J].Rubber Chemistry and Technology,1994,67(03):529-535. |
| [12] | FORSTER M J;PERTTYMAN L B .A new improved tirecord fatigue tester[J].Rubber Chemistry and Technology,1969,42(04):1000-1008. |
| [13] | CAUSA A G .Fatigue testing of polymeric reinforcing cords[J].Tire Technology International,1996,22(04):1101-1103. |
| [14] | POKLUDA I .Fatigue of steel cords[J].Kautschuk und Gummi Kunststoffe,1989,42(05):410-414. |
| [15] | ANDREAS T E;BJORN E;LEIF B .Lifetime and Young's modulus changes of glass/phenolic and glass/polyester composites under fatigue[J].Composites,1995,26(01):10-16. |
| [16] | Zhenhui Tian;Hongwei Song;Zhimin Wan .Fatigue properties of steel cord-rubber composite[J].Journal of Elastomers & Plastics,2001(4):283-296. |
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%