欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
利用有限元分析软件ABAQUS对恒弹性合金3J53超薄板激光冲击半模成形过程进行了数值模拟。探讨了不同激光脉冲能量对板料运动速度和成形精度的影响,以及相同能量下板料不同区域的运动速度规律。数值模拟表明,当激光脉冲能量较小时,板料不能与凹模碰撞,中心区域节点上下往复振动,振幅逐渐减小,最后处于静止状态;当激光脉冲能量较大时,板料中心与凹模底部发生剧烈碰撞,碰撞后产生反向运动,速度逐渐减小,在零值附近缓慢波动一段时间,最终衰减到零。通过调整激光脉冲能量能够得到理想的波形零件。研究结果表明,利用有限元分析软件ABAQUS能够预测板料在激光冲击成形中的速度变化规律,为深入研究激光冲击成形过程提供依据。
英文摘要：
The finite element software ABAQUS was used to simulate the processing of constant elastic alloy metal sheet by laser shock waves with semi-die process.The effects of pulse laser energy on metal sheet movement velocity and forming accuracy were investigated.The law of sample velocities in different regions at the same energy was discussed.The results showed that there was no collision between the metal sheet and the concave die when the energy was low.The central node vibrated around the equilibrium position,but the amplitude of vibration decreased gradually and reached zero finally.When the energy was high,the metal sheet collided with the bottom of dies severely,and then the sheet had a reverse movement.The velocity fluctuated slowly for some time and then reached equilibrium state eventually.A good quality waveform sample could be obtained by adjusting pulse laser energies.It was concluded that the software ABAQUS could predict metal sheet velocity in the laser shock forming（LSF） process,and it provides the reference for further study on LSF.
同期刊论文项目
同项目期刊论文
Effects of multiple laser shock processing (LSP) impacts on mechanical properties and wear behaviors
Effects of laser shock processing on 00Cr12 mechanical properties in the temperature range from 25 &
Microstructure and tensile properties of the sub-micro and nano-structured Al produced by laser surf
Effects of laser shock processing on stress corrosion cracking susceptibility of AZ31B magnesium all
Microstructure and wear resistance enhancement of cast steel rolls by laser surface alloying NiCr-Cr
The microstructural mechanism for mechanical property of LY2 aluminum alloy after laser shock proces
Real time NDE of laser shock processing with time-of-flight of laser induced plasma shock wave in ai
Effects of laser shock processing on mechanical properties and micro-structure of ANSI 304 austeniti
Mechanical properties and residual stresses changing on 00Cr12 alloy by nanoseconds laser shock proc
Effects of processing parameters on fatigue properties of LY2 Al alloy subjected to laser shock proc
Micro-structural strengthening mechanism of multiple laser shock processing impacts on AISI 8620 ste
Simulation, analysis, and validation of the residual stresses on LY2 aluminum alloy by laser shock p
Effects of different shocked paths on fatigue property of 7050-T7451 aluminum alloy during two-sided
Comparison of the simulation and experimental fatigue crack behaviors in the nanoseconds laser shock
Effect of laser shock processing on the fatigue crack initiation and propagation of 7050-T7451 alumi
Effects of laser shock processing with different shocked paths on mechanical properties of laser wel
Microstructure and corrosion behavior of the AISI 304 stainless steel after Nd:YAG pulsed laser surf
Effect of laser shock processing on the mechanical properties and fatigue lives of the turbojet engi
Mechanical Properties and Microstructure of Bionic Non-Smooth Stainless Steel Surface by Laser Multi
Influence of compressive stress on stress intensity factor of hole-edge crack by high strain rate la
位置：