采用ANSYS/LS-DYNA有限元分析软件建立了颗粒增强TiB2/Al复合材料的喷丸模型,并对喷丸后残余应力分布进行了预测;然后对复合材料进行了喷丸试验,对残余应力进行了检测;将试验结果与模拟结果进行了对比.结果表明:该复合材料喷丸后残余应力分布的试验结果与模拟结果基本相符;喷丸后最表层部分增强体呈拉应力状态,在材料残余压应力场内,由于增强体和基体材料力学性能的差异,增强体的残余应力值普遍大于基体中的.
参考文献
| [1] | Luan, WZ;Jiang, CH;Ji, V;Wang, HW .Effect of shot peening on surface mechanical properties of TiB2/Al composite[J].Journal of Materials Science,2009(10):2454-2458. |
| [2] | Liu HT.;Sun LZ. .Effects of thermal residual stresses on effective elastoplastic behavior of metal matrix composites[J].International Journal of Solids and Structures,2004(8):2189-2203. |
| [3] | 邵军超,刘越.颗粒增强金属基复合材料力学行为有限元模拟研究现状[J].材料导报,2007(09):111-115. |
| [4] | 徐娜,宗亚平,张芳,杨玉芳.颗粒形状对铝基复合材料力学行为影响的模拟[J].东北大学学报（自然科学版）,2007(02):213-216. |
| [5] | Xu D;Soppa E;Schmauder S .Influence of geometry factors on the mechanical behavior of particle- and fiber-reinforced composites[J].Computational Materials Science,1999(3):295-301. |
| [6] | Y. Harada;K. Fukauara;S. Kohamada .Effects of microshot peening on surface characteristics of high-speed tool steel[J].Journal of Materials Processing Technology,2008(1-3):319-324. |
| [7] | 路会龙,姚平喜,刘海英.基于ANSYS/LS-DYNA的受控喷丸工艺过程仿真[J].机械设计与制造,2009(02):214-216. |
| [8] | Hongzhan Yi;Naiheng Ma;Xianfeng Li .High-temperature mechanics properties of in situ TiB_(2P) reinforced Al-Si alloy composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):12-17. |
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%