TC4喷丸强化仿真与试验

doi:10.13700/j.bh.1001-5965.2018.0749

北京航空航天大学学报 ›› 2019, Vol. 45 ›› Issue (9): 1723-1731.doi: 10.13700/j.bh.1001-5965.2018.0749

TC4喷丸强化仿真与试验

王延忠¹, 李菲¹, 陈燕燕¹, 张亚萍¹, 吴泽刚², 王成³

1. 北京航空航天大学机械工程及自动化学院, 北京 100083;
2. 中国航发哈尔滨东安发动机有限公司, 哈尔滨 150066;
3. 中国北方车辆研究所, 北京 100072

收稿日期:2018-12-20 出版日期:2019-09-20 发布日期:2019-09-29
通讯作者: 陈燕燕 E-mail:besthouniao@foxmail.com
作者简介:王延忠,男,博士,教授,博士生导师。主要研究方向:机械传动、摩擦润滑;李菲,男,硕士研究生。主要研究方向:表面强化;陈燕燕,女,博士。主要研究方向:抗疲劳加工。
基金资助:
国防基础科研计划（JCKY2016220C002）；基础产品创新科研项目（237099000000170006）

TC4 shot peening simulation and experiment

WANG Yanzhong¹, LI Fei¹, CHEN Yanyan¹, ZHANG Yaping¹, WU Zegang², WANG Cheng³

1. School of Mechanical Engineering and Automation, Beihang University, Beijing 100083, China;
2. AECC Harbin Dongan Engine Co., Ltd., Harbin 150066, China;
3. China North Vehicle Research Institute, Beijing 100072, China

Received:2018-12-20 Online:2019-09-20 Published:2019-09-29
Supported by:
National Defense Basic Research Program (JCKY2016220C002); Innovation Research Project of Basic Product (237099000000170006)

摘要/Abstract

摘要： 针对目前喷丸有限元仿真研究中弹丸规则排列、覆盖率无法精确计算的研究现状，基于ABAQUS二次开发建立了弹丸空间位置随机分布、弹丸数量由覆盖率决定的多弹丸喷丸有限元模型，实现了不同工况、不同喷丸覆盖率条件下所需弹丸个数的精确计算；在此基础上研究了不同喷丸参数对TC4钛合金材料表面残余应力与表面粗糙度的影响规律。进行了TC4喷丸试验，将得到的残余应力分布、表面粗糙度与仿真结果进行对比，验证了该有限元模型的合理性。研究成果对喷丸工艺参数的确定具有一定的指导意义。

关键词: TC4钛合金, 喷丸模型, 随机分布, 覆盖率, 残余压应力

Abstract: In view of the current research status on the finite element simulation study of shot peening, such as the projectiles' regular arrangement and the peening coverage cannot be calculated precisely, a finite element model with multiple randomly distributed shots whose number depends on the peening coverage was secondarily developed with ABAQUS, in which accurate number of required shots under different working conditions and different peening coverage is calculated. The influence of peening parameters on the surface residual stress and the surface roughness of TC4 titanium alloy material was studied. The TC4 shot peening experiment was carried out, residual stress distribution and surface roughness obtained by experiment were compared with those by simulation, and the results verified the reasonable prediction of residual stress distribution and surface roughness by the model, which has certain guiding significance for the determination of shot peening process parameters.

Key words: TC4 titanium alloy, shot peening model, random distribution, coverage, residual compressive stress

中图分类号:

TH162

王延忠, 李菲, 陈燕燕, 张亚萍, 吴泽刚, 王成. TC4喷丸强化仿真与试验[J]. 北京航空航天大学学报, 2019, 45(9): 1723-1731.

WANG Yanzhong, LI Fei, CHEN Yanyan, ZHANG Yaping, WU Zegang, WANG Cheng. TC4 shot peening simulation and experiment[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2019, 45(9): 1723-1731.

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TC4喷丸强化仿真与试验

TC4 shot peening simulation and experiment

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