laser-impack crater是什么意思

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Simulation and Analysis of laser shock forming process of sheet metal;

金属板料激光冲击成形数值模拟及工艺分析

Study of the effect of laser shock processing on titanium alloy;

航空钛合金的激光冲击研究

The basic principle of laser shock forming was described and the influences of some factors on the deformation results of TA2 sheet were simulated by ABAQUS.

通过数值模拟可优化激光冲击的相关参数,预测板料变形。

Experiment with QT700 crankshaft by laser shock processing;

QT700球墨铸铁曲轴的激光冲击强化试验

Effect of coating on titanium alloy during laser shock processing;

涂层对钛合金激光冲击效果的影响

Fracture characteristic of Al_2O_3 ceramics by strong laser shock processing;

强激光冲击波作用下Al_2O_3陶瓷材料的断裂特征

When power density was 5 ×1012W/m2, the peak stress of the shock wave induced by laser shocking exceeded the dynamic yield strength of the aluminum alloy 2024T62,which caused high density dislocations and stable residual compressive surface stresses in the laser-shock-processed are.

采用小型、调Q、高功率密度的钕玻璃激光装置对2024T62铝合金试件进行双面激光冲击处理。

This paper describes the experimental apParatus of laser shocking,the chemical compositions and mechanical properties of aviation aluminium alloys 7475T761 and 2024T62 and the shapes of laser shocked test pieces.

介绍了用于激光冲击的航空铝合金７４７５Ｔ７６１和２０２４Ｔ６２试件。

Numerical simulation of 3-D nondestructive marking based on laser shock wave;

基于激光冲击波三维无损打标的数值模拟

A new mode of the tip of the crack was put forth by the theory of fracture dynamics,and then the dynamic stress intensity factor of the crack under the laser shock wave was also obtained.

研究了含有裂纹的金属板料在激光冲击波载荷作用下裂纹尖端应力强度因子和裂纹扩展速度的变化,利用断裂力学理论,对激光冲击加载下裂尖参数计算模型进行优化,采用应力强度因子叠加法,将外加载荷引起的应力强度因子和激光冲击后残留的残余压应力引起的应力强度因子叠加,推导出下裂纹尖端应力场强度因子表达式,由此可精确计算出金属板料的裂纹萌生寿命和裂纹扩展速度,实验验证了航空钛合金Ti6Al4V激光冲击后残余应力对裂纹扩展速度的影响,从而建立了激光冲击作用对板料裂纹扩展的影响的理论模型。

The theoretical minimum movement velocity for the sheet to be punched by laser shock waves was deduced.

为了验证激光冲击波冲孔工艺的可行性,采用Nd玻璃高功率脉冲激光器在0。

Advances on the application of laser-induced shock wave in metal processing;

激光冲击波技术用于材料加工的研究进展

Depending on the piezoelectric waves,laser-induced shock waves were measured.

为了提高利用激光冲击波改进材料性能的技术,采用响应快、测量范围大的绝缘膜组合式高聚物压电传感器和示波器对激光诱发的冲击波进行了研究。

Using a new poly(vinylidene fluoride)(PVDF) piezoelectricity gauge,the real-time measurement of pressure of the laser-induced shock wave is realized.

利用新型聚偏1,1-二氟乙烯(PVDF)压电传感器,实现了对激光引发的冲击波压力的实时测量,得到激光引发的冲击波峰压在铝中成指数型的衰减规律;观测了不同约束层材料在铝靶表面产生的激光冲击波,研究了不同约束层对冲击效果的影响;最后用激光冲击强化装置对7050-T7451航空铝合金结构材料进行了冲击强化处理,对试件激光冲击区存在的残余压应力及位错密度进行了测量。

Research on the method of creation of shocked trace during laser shock

激光冲击成形中冲击轨迹生成方法的研究

Experimental Study of Laser Melting and Laser Shock on Magnesium Alloys;

激光熔凝和激光冲击处理镁合金的实验研究

The Research on Control Method during Laser Shock Forming of Metal Sheet;

金属板料激光冲击成形控制方法研究

Experimental Studies and Numerical Simulation on Laser Shock Marking;

激光冲击打标技术的实验与数值研究

Delamination analysis of ZrO_2 ceramics by laser shock processing

激光冲击ZrO_2陶瓷的微观分析

Micro-Plastic Deformation of ZrO_2 in High Strain Rate by Laser Shocking

ZrO_2陶瓷激光冲击预处理研究

Simulation of laser shock based on ABAQUS

以ABAQUS为平台的激光冲击数值仿真

Thermo-mechanical Coupling of Metal Thin Film Under Short Pulse Laser Heating

金属薄膜短脉冲激光冲击热机耦合问题

Research on the Numerical Simulation and Impact Effects of Laser Shock Processing;

激光冲击处理工艺过程数值建模与冲击效应研究

Experimental Study of Tensile Behavior of LY12 Aluminium Alloy Processed by Laser Shot Peening and Laser Irradiation

激光冲击喷丸与激光辐照LY12铝合金材料拉伸力学行为的实验研究

The Experimental Research on the Laser Shock Forming of the Sheet-Metal and Finite Element Analysis;

金属板料激光冲击成形实验研究及有限元模拟

Laser Shock Processing of 40Cr Steel and Numerical Simulation of Residual Stress Field Induced by LSP;

激光冲击处理40Cr钢及其残余应力场数值模拟

Research on Surface Strengthening Effect of Fe-Ni Alloy by Laser Shock Processing;

铁镍合金激光冲击处理表面强化效应研究

Study on Deformation and Residual Stresses of Titanium Alloy Sheet after Laser Shock Forming;

激光冲击成形钛合金板的变形与残余应力分析

CAN-based Control System for Laser Shock Forming Mechanism;

基于CAN总线的激光冲击成形装置控制系统研究

Thermal Shock Effect on Optical Film Damage Induced by High Power Laser;

Z_rO_2光学薄膜的激光热冲击效应

Response of parabolic laser thrusters under impulsive thermomechanical loading

抛物面型激光推力器的热力冲击响应

Residual Stress in the Drawn Steel Strip with Electrodeposited Nickel Coating and Effect of Laser Thermal Shock;

覆镍深冲钢带的残余应力及激光热冲击的影响