Infrared nondestructive testing technology for multilayer metal structures

2021 ◽  
Author(s):  
Xiangyu Wang ◽  
Xue Yang ◽  
Wei Fang ◽  
Gangbo Hu ◽  
Ning Tao ◽  
...  
Keyword(s):  
Nondestructive Testing ◽  
Metal Structures ◽  
Testing Technology ◽  
Multilayer Metal

Three Dimensional Detection of the via in the PCB CT Image Using Morphology Operation

2015 ◽  
Vol 752-753 ◽  
pp. 1406-1412
Author(s):  
Lei Zeng ◽  
Jian Chen ◽  
Han Ning Li ◽  
Bin Yan ◽  
Yi Fu Xu ◽  
...  
Keyword(s):  
Nondestructive Testing ◽  
Printed Circuit Board ◽  
Three Dimensional ◽  
Detection Algorithm ◽  
Circuit Board ◽  
Dimensional Structure ◽  
Three Dimension ◽  
Shape Information ◽  
Printed Circuit ◽  
Testing Technology

In modern industry, the nondestructive testing of printed circuit board (PCB) can prevent effectively the system failure and is becoming more and more important. As a vital part of the PCB, the via connects the devices, the components and the wires and plays a very important role for the connection of the circuits. With the development of testing technology, the nondestructive testing of the via extends from two dimension to three dimension in recent years. This paper proposes a three dimensional detection algorithm using morphology method to test the via. The proposed algorithm takes full advantage of the three dimensional structure and shape information of the via. We have used the proposed method to detect via from PCB images with different size and quality, and found the detection performances to be very encouraging.

Application of Nondestructive Testing in Bridge Structure Quality Detection

2011 ◽  
Vol 66-68 ◽  
pp. 1122-1125
Author(s):  
Jing Xi Chen ◽  
Li Yuan ◽  
Guang Zhang
Keyword(s):  
Nondestructive Testing ◽  
Electromagnetic Induction ◽  
Bridge Structure ◽  
Induction Method ◽  
Actual Measurement ◽  
Structure Quality ◽  
Advantages And Disadvantages ◽  
Quality Detection ◽  
Testing Technology

This paper discusses recent nondestructive testing technology in the application of bridge structure, which focus on common rebound method and electromagnetic induction method. According to the actual measurement problems, the article explains the rebound method and electromagnetic induction method including their advantages and disadvantages, and puts forward the method of avoiding problems.

Automation of Nondestructive Testing Technology Cards Creation

NDT World ◽  
2017 ◽  
pp. 32-34
Author(s):  
Москвичева ◽  
Irina Moskvicheva ◽  
Ковшов ◽  
Evgeniy Kovshov ◽  
Полковников ◽  
...  
Keyword(s):  
Nondestructive Testing ◽  
Testing Technology

scholarly journals Nondestructive Damage Testing of Beam Structure Based on Vibration Response Signal Analysis

Materials ◽  
2020 ◽  
Vol 13 (15) ◽  
pp. 3301
Author(s):  
Xiaohao Li ◽  
Deyu Shi ◽  
Zihang Yu
Keyword(s):  
Nondestructive Testing ◽  
Signal Analysis ◽  
Unscented Kalman Filter ◽  
High Sensitivity ◽  
Vibration Signal ◽  
Structural Defects ◽  
Response Analysis ◽  
Identification Algorithm ◽  
Testing Technology ◽  
Vibration Signal Analysis

Nondestructive damage-testing technology based on vibration signal analysis makes full use of the response characteristics of wave and energy. With the advantages of wide bandwidths of response frequency and high sensitivity, the nondestructive testing technology based on vibration signal analysis has a superiority in the application for the detection and characterization of structural defects, and has become one of the important methods for the nondestructive testing of structural material defects and damage. This paper presents a novel method of detection localization and quantitative analysis for local damage in beam structures, based on the response analysis of vibration signals. A damage-detection and -identification algorithm based on a unscented Kalman filter (UKF) was designed, which greatly reduces the computational workload in the process of damage identification over that in conventional methods. The method presented in this paper has significances to widen the application scope of the nondestructive testing method, and increase the recognition efficiency and effectiveness of this kind of method in engineering.

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