首页|7075铝合金喷丸参数影响的数值仿真及实验研究

7075铝合金喷丸参数影响的数值仿真及实验研究

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为探究 7075 铝合金喷丸加工过程中不同喷丸参数对于喷丸结果的影响,本文基于Abaqus软件对相应的喷丸过程进行了有限元仿真,观察不同喷丸参数对于表面残余应力分布、表面粗糙度以及表面三维形貌的影响,同时基于实验过程对相应的喷丸过程进行研究,并对仿真和实验所得到的结果进行对比,最终发现,虽然在具体数值上两者之间存在一定的差距,但在变化趋势上两者呈现较为明显的一致性.因此,可以认为两者的分析结果是较为可信的,同时得出在单纯调整弹丸尺寸和弹丸速度的条件下,表面残余应力和表面粗糙度两者难以同时兼顾,但是喷丸覆盖率的提高可以用降低生产效率为成本较好的兼顾这两方面.
Numerical Simulation and Experimental Study on Influence of Shot Peening Parameters of 7075 Aluminum Alloy
In order to explore the influence of the different shot peening parameters on the shot peening results in the shot peening process of 7075 aluminum alloy,the corresponding shot peening process is simulated via ABAQUS software,and the effects of the different shot peening parameters on the surface residual stress distribution,surface roughness and surface three-dimensional morphology are observed.At the same time,the corresponding shot peening process is studied based on the experimental process,by comparing the simulation and experimental results,it is finally found that although there is a certain gap between the two in specific values,the two show obvious consistency in change trend.Therefore,it can be considered that the analysis results of the two are more reliable.At the same time,it is concluded that under the condition of simply adjusting the projectile size and velocity,it is difficult to give consideration to both the surface residual stress and the surface roughness at the same time,but the improvement of shot peening coverage can better take these two aspects into account at the cost of reducing production efficiency.

7075 aluminum alloyshot peeningresidual stressroughnessfinite element

汪东明、单以才、孟龙晖

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江苏电子信息职业学院汽车工程学院,江苏淮安 223003

南京晓庄学院电子工程学院,南京 211171

南京工业大学机械与动力工程学院,南京 211816

7075铝合金 喷丸 残余应力 粗糙度 有限元

江苏省青年基金江苏省高等学校自然科学研究项目

BK2019067619KJB460019

2024

机械科学与技术
西北工业大学

机械科学与技术

CSTPCD北大核心
影响因子:0.565
ISSN:1003-8728
年,卷(期):2024.43(3)
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