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Application of ultrasonic phased array technology to the detection of defect in composite stiffened-
Composite stiffened-structure consists of the skin and stringer has been widely used in aircraft fuselage and wings.Due ......
Evaluation of Mechanical Properties on Components of Heavy and Chemical Facilities Operated under Hi
In recent years, the heavy and chemical facilities have been extended its service life through the life assessment and m......
THE RESEARCH OF ACOUSTIC WAVE NON-DESTRUCTIVE EXAMINATION TECHNOLOGY FOR ANCHORING QUALITY OF ANCHOR
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This paper introduces a novel nondestructive testing (NDT) method based on laser ultrasonic technology and fiber Bragg g......
The interfacial debonding in FRP-strengthened material repair will affect the bonding strength and lead to failure of th......
In recent years,the safety accidents of large storage tanks in our country occur frequently,and the safety status of sto......
Nondestructive Evaluation for Safety Assessment on Power-generating Structures Using Instrumented In
Power generating unit structures are designed and built to meet standard to secure its safety for expected life time.As ......
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基于广义Lorenz-Mie理论,对蓝宝石晶片中微体缺陷的散射特性进行了仿真,分析了散射光接收位置、缺陷大小、入射光波长对散射光强的......
基于激光超声方法,对裂纹在加热光辐照及自然冷却条件下的透射超声信号进行了实时监测。在不同功率加热光辐照下,得到了裂纹壁上的......
光学相干层析成像(OCT)是基于迈克尔孙干涉仪,可对物体内部微观结构进行无损、非接触检测的断层成像技术。考古文物的珍贵和不可再......
在理想理论模型中引入了包含残余应力的等效弹性常数, 建立了二氧化硅的半无限大残余应力理论计算模型。研究了残余应力对激光激发......
偏振小孔干涉仪是一种可实用的新型干涉仪。它综合小孔衍射技术、偏振技术和共光路设计为一体,具有条纹对比度可调、抗干扰能力强......
红外热波检测技术是一种新兴的无损检测技术。与传统的被动式红外检测方法不同，该方法将外加瞬时或交变温场施加到被测物，通过红外热......
Non-contact thickness measurement for ultra-thin metal foils with differential white light interfero
A new differential white light interference technique for the thickness measurements of metal foil is presented. In this......
针对红外热成像无损检测系统存在温度误差较大和精度较差等问题，提出一种基于无损检测仿真模型的检测方法。选取相同实验环境下激励......
采用太赫兹时域光谱(THz-TDS)技术对受到不同程度热损伤的氟橡胶材料进行检测,获得各样品在0.4~1 THz波段的时域光谱、频域光谱和......
玻璃纤维增强复合材料具有耐腐蚀性强、介电性能良好和热性能良好等优良性能,被广泛应用于航空航天、铁道铁路等相关行业。以脉宽......
为了实现材料内部微小缺陷的非接触无损检测,解决激光超声检测内部缺陷时衍射回波信号弱、透射体波检测无法获得缺陷深度信息等问......
A fully non-contact laser ultrasonic detection platform is constructed with laser excitation and laser Doppler scann......
An Experimental Study on Alpha Measurement with Two Radioactive Sources Inside Contaminated Steel Pi
This paper investigates the effect of two radioactive sources (241Am and 239pu) inside contaminated pipes on alpha e......
钢筋混凝土的无损检测技术一直是岩土工程界厄需解决的难题。本文将地层透视雷达技术引入到该领域中来，从而对混凝土的内部结构与质......
本文主要分析压力容器安全的相关内容,阐述无损检测方法的特点,最后总结无损检测方法在锅炉压力容器安全检验中的应用,旨在实现锅......
本文介绍自行研制的非接触式激光超声激励和检测系统，采用共焦式法布里－珀珞干涉仪实现对纳米量级微幅单次超声窄脉冲的检测，并应用该......
在定期检验过程中发现光固化介质不锈钢薄壁管道,介质在不能排空的情况下采取不了常规射线检测和超声检测,针对特殊工况管道,在参......
