|本期目录/Table of Contents|

[1]刁浩峰,周迅,陈大为,等.基于喷丸残余应力场的疲劳裂纹扩展数值模拟[J].浙江理工大学学报,2014,31-32(自科3):266-271.
　DIAO Hao feng,ZHOU Xun,CHEN Da wei,et al.Numerical Simulation of Fatigue Crack Propagation Based on Residual Stress Field of Shot Peening[J].Journal of Zhejiang Sci-Tech University,2014,31-32(自科3):266-271.
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基于喷丸残余应力场的疲劳裂纹扩展数值模拟()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第31-32卷
期数:
2014年自科3期
页码:
266-271
栏目:
(自科)机械与自动控制
出版日期:
2014-05-10

文章信息/Info

Title:
Numerical Simulation of Fatigue Crack Propagation Based on Residual Stress Field of Shot Peening
文章编号:
1673-3851 (2014) 03-0266-06
作者:
刁浩峰;  周迅;  陈大为;  吴飞
浙江理工大学机电产品可靠性技术研究浙江省重点实验室, 杭州 310018
Author(s):
DIAO Hao feng;  ZHOU Xun;  CHEN Da wei;  WU Fei
Zhejiang Key Laboratory of Reliability Technology for Mechanical and Electronic Products,Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
喷丸;  数值模拟;  残余应力场;  疲劳裂纹扩展
分类号:
TG156
文献标志码:
A
摘要:
运用有限元软件ABAQUS建立喷丸强化有限元模型,研究冲击速度、弹丸半径、弹丸材料、覆盖率对残余应力场的影响。运用疲劳分析软件Msc.Fatigue建立了疲劳裂纹扩展分析模型,将非喷丸模型和喷丸模型的应力场导入Msc.Fatigue进行疲劳裂纹的扩展分析,比较研究残余应力场对疲劳裂纹扩展的影响。喷丸强化有限元模型的模拟结果表明,适当地增加冲击速度、弹丸半径、覆盖率等喷丸参数可以明显改善残余应力场的作用效果,钢丸喷丸产生的最大残余压应力值比玻璃丸喷丸产生的大。疲劳裂纹扩展分析模型的模拟结果表明,由于喷丸残余压应力场的作用,有效地改善了材料的疲劳性能,构件的疲劳裂纹扩展寿命提高了1.3倍。

参考文献/References:

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［5］ Meguid S A, Shagal G, Stranart J C, et al. Threedimension dynamic finite element analysis of shot peening induced residual stress［J］. Finite Elements in Analysis and Design , 1999, 31: 179-191
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［8］ Gariepy A, Larose S, Perron C. Shot peening and peen Forming finite element modelling towards a quantitative method［J］. International Journal of Solids and Structures, 2011, 48(20): 2859-2877
［9］ 李雁淮, 王飞, 吕坚, 等. 单丸粒喷丸模型和多丸粒喷丸模型的有限元模拟［J］. 西安交通大学学报, 2007, 41(3): 348-352
［10］ 王强. 高强度钢试样喷丸残余应力试验研究及数值模拟［D］. 秦皇岛: 燕山大学, 2006
［11］ 凌祥, 彭薇薇, 倪红芳. 喷丸三维残余应力场的有限元模拟［J］. 机械工程学报, 2006, 42(8): 182-189
［12］ 须庆. 各向异性材料喷丸残余应力的数值模拟［D］. 上海: 上海交通大学, 2011
［13］ 张正, 周迅, 李洪涛, 等. 金属表面喷丸的有限元模拟［J］. 浙江理工大学学报, 2013, 3(30): 345-350

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备注/Memo

备注/Memo:
收稿日期： 2013-11-19
基金项目： 浙江省重点科技创新团队项目(2010R50005)
作者简介： 刁浩峰(1988-),男,山东烟台人,硕士研究生,主要从事机械疲劳与断裂,内燃机动力学仿真的研究
更新日期/Last Update: 2014-05-19