Measurement and Identified Prediction Equation for Residual Stress Distribution in Aluminum Alloy A5052 under Various Pneumatic Shot Peening Conditions

Measurement and Identified Prediction Equation for Residual Stress Distribution in Aluminum Alloy A5052 under Various Pneumatic Shot Peening Conditions
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不同气动喷丸条件下铝合金A5052残余应力分布的测量和确定的预测方程

DOI:
10.1007/s11665-023-08031-z
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发表时间:
2023
影响因子:
2.3
通讯作者:
Ma Ninshu
Ma Ninshu
中科院分区:
材料科学4区
文献类型:
--
作者:
Ohta Takahiro;He Jiaxin;Takahashi Shun;Ma Ninshu

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采用四种不同直径的锆英砂丸对铝合金进行了气动喷丸强化。采用高速摄像机和粒子图像测速仪直接测量技术,研究了空气压力、弹丸直径和材料对弹丸速度的影响。通过厚度方向上的残余应力分布进行了系统的测量,通过X射线衍射法和定量评估的确定方程考虑的射击速度,直径和材料。该方程可以快速、准确地预测不同喷丸直径和速度下的喷丸残余应力分布,可用于工业应用。
Pneumatic shot peening with zircon shot of four different diameters was performed on an aluminum alloy. The effects of air pressure, shot diameter, and material on shot velocity were experimentally investigated based on direct measurement technology using a high-speed camera and a particle image velocimetry. The residual stress distribution through the thickness direction was systematically measured by the x-ray diffraction method and quantitatively evaluated by an identified equation considering the shot velocity, diameter, and materials. This identified equation can quickly and accurately predict the residual stress distribution owing to shot peening with different shot diameters and velocities for industrial applications.
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