The study of micro cracks in concrete is very important to understand its behavior under loading and to improve this material. The direct observation in a scanning microscope is not a suitable method because the concrete is subject to drying shrinkage. Another indirect and non destructive method of observation by SEM is proposed. With this method using a single replica the micro cracks of concrete can be observed better than 0.5 m. ....etc

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Abstract
Destructive and non-destructive methods have been used for the determination of micro-traces of antimony in high-purity silicon powder. The destructive method was based on sub-stoichiometric radio-activation analysis with solvent extraction using BPHA and cupferron as organic reagents. The antimony contents in high-purity silicon can be determined by the proposed method.
A new non-destructive method was developed for the detection of refrigerant leakage at an evaporator's inflow. Nitrogen and oxygen gas were suc ....etc

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Nondestructive testing or Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage. The terms Nondestructive examination (NDE), Nondestructive inspection (NDI), and Nondestructive evaluation (NDE) are also commonly used to describe this technology. Because NDT does not permanently alter the article being inspected, it is a highly valuable technique that can save both money and time in product evaluation, troublesho ....etc

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INTRODUCTION
The successful operation of structures / components during their entire life requires the implementation of a dedicated programme for condition assessment through in-service inspection (ISI) of all critical components of the plants / structures. The condition assessment through ISI and life prediction approaches enable uninterrupted operation, avoidance of unplanned shutdowns and taking decision on repair, up-gradation, modernization and replacement of necessary components for extension of t ....etc

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Non-destructive testing or non-destructive testing is a broad group of analysis techniques used in the science and technology industry to evaluate the properties of a material, component or system without causing damage. The terms non-destructive examination (NDE), nondestructive inspection (NDI) and nondestructive evaluation (NDE) are also commonly used to describe this technology. Because NDT does not permanently alter the item being inspected, it is a very valuable technique that can save money and time on product evaluation, problem solvin ....etc

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Structural Health Monitoring Using Wireless Sensor Networks



INTRODUCTION

Wireless sensor network enables low-cost sensing of envi-
ronment. Many applications using wireless sensor networks
have low duty cycle and low power consumption. However
the ability of wireless sensor networks can be extended in re-
verse way. Enhanced TinyOS, and new components opened
possibility for more aggressive applications. Structure mon-
itoring is one example of such applications. To monitor ....etc

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http://seminarsprojects.net/Thread-ultrasonics-and-acousto-optics-for-the-nondestructive-testing-of-complex-materials--3595

http://seminarsprojects.net/Thread-destructive-and-non-destructive-testing-full-report ....etc

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ABSTRACT
Condition monitoring of components and plants are of great importance for safe and reliable operation and for increasing productivity of plants. The challenges towards the condition monitoring can be successfully met by employing non-destructive evaluation (NDE) techniques. Vibration monitoring techniques are applied for periodic / continuous assessment of machinery parts and plants. Acoustic emission technique is used for leak detection and for structural integrity monitoring applications. Infr ....etc

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