A NUMERICAL INVESTIGATION ON NANOSECOND LASER SHOCK PEENING OF TI-6AL-4V

被引：0
|
作者：
Matura, Max [1 ]
Aguilar, Lesly [1 ]
Ma, J. [1 ]
Jahan, M. P. [2 ]
机构：
[1] St Louis Univ, Dept Aerosp & Mech Engn, St Louis, MO 63103 USA
[2] Miami Univ, Dept Mech & Mfg Engn, Oxford, OH 45056 USA
来源：
PROCEEDINGS OF ASME 2023 18TH INTERNATIONAL MANUFACTURING SCIENCE AND ENGINEERING CONFERENCE, MSEC2023, VOL 2 | 2023年
关键词：
Laser Shock Peening; FEM; Ti-6Al-4V; Compressive Residual Stress; eigenstrain; Nanosecond; HEL; Gaussian Distribution;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ti-6Al-4V is the most commonly used titanium alloy in aerospace, automotive, and biomedical industries because of its excellent strength, low modulus of elasticity, high corrosion resistance, good weldability and heat treatability. In this study, numerical investigation is conducted to assess the effect of pulse energy level and operating temperature on residual stress induced on Ti6Al-4V workpiece during nanosecond laser shock peening with 5 ns laser pulse width. The commercial FEM software package ABAQUS is employed to conduct FEM simulation of single shot laser peening of Ti-6Al-4V. Totally, eight laser pulse energy levels and six operating temperatures are selected. The FEM model for laser peening can provide insightful guidance for selecting optimal peening parameters and operating temperatures.
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页数：8
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