laserultrasonic相关论文
This paper introduces a novel nondestructive testing (NDT) method based on laser ultrasonic technology and fiber Bragg g......
Laser ultrasonic (LU) three-dimensional (3D) imaging system combining wavelet threshold method (WTM) is presented, in wh......
Comparison of Damage Visualization Results with Different Damage Angles Using Laser Ultrasonic Techn
Laser ultrasonic scanning technique has great potential for damage evaluation in Nondestructive Testing(NDT)and Structur......
针对厚钢板内部缺陷的检测问题, 利用合成孔径聚焦技术(SAFT)实现了厚钢板样品内部缺陷的定位及成像。移动脉冲激光线源在样品内激......
采用自主研发的激光声磁检测系统对钢轨疲劳损伤进行了无损检测研究。选择含有不同尺寸的表面裂纹和表面竖直孔的人工伤钢轨作为检......
...
搭建了激光超声检测实验平台, 采用热弹效应和激光干涉接收方式, 观测了点聚焦激发横波的指向性及内表面处缺陷对超声信号的影响, ......
Laser ultrasonic testing for near-surface defects inspection of 316L stainless steel fabricated by l
The laser powder bed fusion (L-PBF) method of additive manufacturing(AM) is increasingly used in various industrial manu......
A fully non-contact laser ultrasonic detection platform is constructed with laser excitation and laser Doppler scann......
采用基于软阈值的小波滤波技术对激光一电磁超声检测过程中噪声抑制进行了研究。选择在6016铝板表面裂纹的超声检测信号作为信号处......
激光超声能够激发宽频带的表面波,可实现金属材料表面微缺陷的定位分析与深度检测。根据表面波在缺陷处的透射/反射阈值现象,提出......
Study of mode transformation and energy attenuation of wedge waves with different apex angles by las
这研究集中于由使用激光超声技术为不同的顶角度楔测量模式转变和楔波浪的精力变细。为察觉的搏动的激光刺激和光偏转横梁方法被用......
激光接收超声是一种非接触式的超声接收技术，它在超声无损评估及检测领域有重要的应用。本文设计研制了激光外差士涉接收超声的实验......
