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TC4喷丸强化仿真与试验

王延忠 李菲 陈燕燕 张亚萍 吴泽刚 王成

王延忠, 李菲, 陈燕燕, 等 . 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. doi: 10.13700/j.bh.1001-5965.2018.0749
引用本文: 王延忠, 李菲, 陈燕燕, 等 . 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. doi: 10.13700/j.bh.1001-5965.2018.0749
WANG Yanzhong, LI Fei, CHEN Yanyan, et al. TC4 shot peening simulation and experiment[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(9): 1723-1731. doi: 10.13700/j.bh.1001-5965.2018.0749(in Chinese)
Citation: WANG Yanzhong, LI Fei, CHEN Yanyan, et al. TC4 shot peening simulation and experiment[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(9): 1723-1731. doi: 10.13700/j.bh.1001-5965.2018.0749(in Chinese)

TC4喷丸强化仿真与试验

doi: 10.13700/j.bh.1001-5965.2018.0749
基金项目: 

国防基础科研计划 JCKY2016220C002

基础产品创新科研项目 237099000000170006

详细信息
    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

    通讯作者:

    陈燕燕, E-mail: besthouniao@foxmail.com

  • 中图分类号: TH162

TC4 shot peening simulation and experiment

Funds: 

National Defense Basic Research Program JCKY2016220C002

Innovation Research Project of Basic Product 237099000000170006

More Information
  • 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。

     

  • 图 1  弹丸位置随机坐标生成流程

    Figure 1.  Projectile random position coordinate generation flowchart

    图 2  空间随机分布多弹丸模型

    Figure 2.  Spatially randomized multi-projectile model

    图 3  弹坑直径提取方法

    Figure 3.  Crater diameter extraction method

    图 4  喷丸覆盖率计算

    Figure 4.  Shot peening coverage calculation

    图 5  喷丸覆盖率计算流程

    Figure 5.  Calculation flowchart of shot peening coverage

    图 6  喷丸仿真结果云图

    Figure 6.  Contour of shot peening simulation results

    图 7  不同弹丸速度对残余应力场的影响

    Figure 7.  Effect of different projectile velocities on residual stress field

    图 8  不同弹丸速度对材料表面粗糙度与最大残余压应力的影响

    Figure 8.  Effect of different projectile velocities on material surface roughness and maximum residual compressive stress

    图 9  不同弹丸粒度对残余应力场的影响

    Figure 9.  Effect of different projectile particle sizes on residual stress field

    图 10  不同弹丸粒度对材料表面粗糙度与最大残余压应力的影响

    Figure 10.  Effect of different projectile particle sizes on material surface roughness and maximum residual compressive stress

    图 11  不同喷丸覆盖率对残余应力场的影响

    Figure 11.  Effect of different shot peening coverage on residual stress field

    图 12  不同喷丸覆盖率对材料表面粗糙度与最大残余压应力的影响

    Figure 12.  Effect of different peening coverage on material surface roughness and maximum residual compressive stress

    图 13  ROSLER喷丸机

    Figure 13.  ROSLER shot peening machine

    图 14  TC4试样

    Figure 14.  TC4 sample

    图 15  Proto iXRD型X射线衍射仪

    Figure 15.  Proto iXRD X-ray diffractometer

    图 16  残余应力场试验值与仿真值对比

    Figure 16.  Comparison between experimental values and simulated values of residual stress field

    图 17  VHX-6000超景深显微镜

    Figure 17.  VHX-6000 ultra-depth-of-field microscope

    表  1  基本材料参数

    Table  1.   Basic material parameters

    参数TC4弹丸
    密度/(t·mm-3)4.428×10-97.8×10-9
    弹性模量/GPa110200
    泊松比0.3420.3
    屈服强度/GPa1.098
    抗拉强度/GPa1.092
    下载: 导出CSV

    表  2  TC4材料本构模型参数[15]

    Table  2.   TC4 material constitutive model parameters[15]

    参数数值
    A/MPa1 098
    B/MPa1 092
    n0.93
    m1.1
    熔点/K1 878
    参考温度/K298
    C0.014
    1
    下载: 导出CSV

    表  3  不同喷丸工况下达到98%覆盖率时所需弹丸个数

    Table  3.   Number of projectiles required to achieve 98% coverage under different shot peening conditions

    工况弹坑半径
    ap/mm
    覆盖率达到98%
    以上时所需
    弹丸个数
    弹丸粒度/mm弹丸速度/
    (m·s-1)
    0.3650.084110
    0.4650.10190
    0.5650.13565
    0.6650.15245
    0.7650.16930
    0.5700.13565
    0.5750.13565
    0.5800.13565
    0.5850.13565
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-12-20
  • 录用日期:  2019-01-18
  • 网络出版日期:  2019-09-20

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