Experimental and Simulation Study on Laser Shock Peening of Gear Root

LI Chenlu; XIE Lijing; CHENG Guanhua; LIANG Guoxiang

doi:10.16080/j.issn1671-833x.2020.13.047

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Experimental and Simulation Study on Laser Shock Peening of Gear Root

更新时间：2025-10-30

- Experimental and Simulation Study on Laser Shock Peening of Gear Root
- Aeronautical Manufacturing Technology Vol. 63, Issue 13, Pages: 47-52(2020)
- 作者机构：
  
  1. 北京理工大学机械与车辆学院,北京,100081
  2. 山西柴油机工业有限责任公司,大同,037000
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2020.13.047
  CLC：
- Published：2020
- 稿件说明：
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李晨鹭，解丽静，程冠华，梁国祥 . 浅齿轮齿根激光冲击强化试验和仿真研究[J]. 航空制造技术, 2020, 63(13): 47-52.

LI Chenlu,XIE Lijing,CHENG Guanhua,LIANG Guoxiang. Experimental and Simulation Study on Laser Shock Peening of Gear Root. Aeronautical Manufacturing Technology, 2020, 63(13): 47-52.
李晨鹭，解丽静，程冠华，梁国祥 . 浅齿轮齿根激光冲击强化试验和仿真研究[J]. 航空制造技术, 2020, 63(13): 47-52. DOI： 10.16080/j.issn1671-833x.2020.13.047.

LI Chenlu,XIE Lijing,CHENG Guanhua,LIANG Guoxiang. Experimental and Simulation Study on Laser Shock Peening of Gear Root. Aeronautical Manufacturing Technology, 2020, 63(13): 47-52. DOI： 10.16080/j.issn1671-833x.2020.13.047.

摘要

为探究激光冲击强化对高强度钢齿轮齿根表面及内部残余应力的影响，使用 ABAQUS 软件对齿轮齿根进行了激光冲击强化模拟仿真，并通过试验对该仿真模型进行了验证。结果表明，所建立的齿轮齿根激光冲击强化有限元模型可以较好地预测实际激光冲击强化结果，准确揭示激光冲击强化作用规律。同时，根据残余应力分布情况可知，激光冲击强化可使高强度钢齿轮齿根产生明显的残余压应力层，但不同方向残余压应力分布略有不同，平行于齿根路径方向的平均残余压应力大于垂直于齿根路径方向的平均残余压应力。

Abstract

To investigate the influence of the laser shock processing (LSP) on the residual stress of the high-strength steel gear root

ABAQUS software is used to simulate the laser shock processing

and the experimental results are analyzed to verify the accuracy of the simulation model. The results show that this model accurately predicts the distribution of the residual stress on the gear root after LSP

and the law of LSP reflected by the simulation is consistent with the experimental results. According to the distribution of the residual stress

it is concluded that laser shock processing introduces near-surface compressive residual stress which varies in different directions. Specifically

the average value of the compressive residual stress along the gear root is larger than that in the vertical direction.

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