基于喷丸随机模型的表面覆盖率计算方法

强斌; 李亚东; 顾颖; 倪金荣

doi:10.3969/j.issn.0258-2724.2016.06.018

基于喷丸随机模型的表面覆盖率计算方法

doi: 10.3969/j.issn.0258-2724.2016.06.018

强斌¹,
李亚东^1, ,,
顾颖¹,
倪金荣²

基金项目:

国家自然科学基金资助项目（51378430）

详细信息

作者简介:
强斌(1987-),男,博士研究生,研究方向为钢桥焊接的应力与变形控制,E-mail:binqiang1987@163.com

通讯作者:
李亚东(1956-),男,教授,博士生导师,研究方向为桥梁设计理论与施工控制、钢桥稳定与疲劳等,E-mail:ydli@swjtu.cn

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出版历程
- 收稿日期: 2015-07-13
- 刊出日期: 2016-12-25

Calculation Method of Surface Coverage Based on Shot Peening Random Model

摘要

摘要: 为了揭示金属结构表面喷丸处理过程中覆盖率的变化规律，通过分析喷丸随机模型的建模流程及靶材的喷丸后形貌，利用MATLAB软件开发了基于喷丸随机模型的覆盖率计算程序，并将此与传统覆盖率计算方法进行了对比.结果表明：以直径为1.0 mm，速率为50 m/s的弹丸对构件进行喷丸处理，当弹丸数目N20时，新方法（MATLAB法）与传统方法（PEEQ法和理论公式法）的计算结果较接近；随着弹丸数目的增加，在达到全覆盖之前，3种方法的计算覆盖率为CPEEQ Cth CMATLAB；全覆盖时，3种方法所对应的弹丸数目分别为100、140和190.
- 喷丸 /
- 表面覆盖率 /
- 随机模型 /
- MATLAB程序 /
- 计算方法
Abstract: To reveal the coverage variation in shot peening process for metal structure, a MATLAB program was designed to calculate the coverage by analyzing the modeling process of shot peening random model and target morphology after shot peening. Also, the developed method was compared with the traditional coverage calculation methods. The comparison shows that, with shot diameter of 1 mm and velocity of 50 m/s, when the shot number N is less than 20, the results from the developed coverage calculation (MATLAB method) are approximate to those from the traditional methods (PEEQ method and theoretical formula method). With the increase of shot number, it shows CPEEQ Cth CMATLAB before reaching full coverage. When there is full coverage, the shot numbers corresponding to three methods are 100, 140 and 190, respectively.
- shot peening /
- surface coverage /
- random model /
- MATLAB program /
- calculation method

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参考文献(16)

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