1) shock-wave pumped laser
冲击波抽运激光器
2) laser shock wave
激光冲击波
1.
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
2.
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。
3.
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。
3) laser-induced shock wave
激光冲击波
1.
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
2.
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。
3.
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。
5) laser induced shock waves
激光冲击波
1.
Pressures of laser induced shock waves LSW) in Al and T300/expoxy composite targets, of thickness 0 2mm and 2 08mm respectively, was measured with self designedPVDF transduces, and the pressure time evolution was detected for the first time.
０８ｍｍ厚Ｔ３００／环氧复合材料中激光诱导的冲击波压力，首次获得了这些材料中激光冲击波压力的时间演化波形。
2.
The effects of PMMA confinement windows on laser induced shock waves are studied with the use of PVDF gauges made by ourselves.
利用自行研制的ＰＶＤＦ压电传感器研究了高功率密度激光冲击过程中有机玻璃约束窗口对激光冲击波压力的影响，实验表明有机玻璃（ＰＭＭＡ）约束层可大幅度提高冲击波压力和冲击波持续时
补充资料：冲击波效应