نتایج جستجو برای: non destructive inspections
تعداد نتایج: 1332361 فیلتر نتایج به سال:
Maintenance manuals include general methods and procedures for industrial maintenance and they contain information about principles of maintenance methods. Particularly, Non-Destructive Testing (NDT) methods are important for the detection of aeronautical defects and they can be used for various kinds of material and in different environments. Conventional non-destructive evaluation inspections...
SIMPOSIUM is a research collaborative project funded in the Seventh Framework Programme of the European Commission. SIMPOSIUM gathers industrial end-users in various fields (aeronautics, automotive, energy, steel), software solutions providers, academic and RTOs, aiming at providing interoperable simulation tools for non destructive evaluation (NDE) and materials characterization usable at any ...
Tubes/Pipes employed in critical applications such as Power Plants, Petrochemical industry and others, demand very stringent quality control. Various Non-Destructive Testing (NDT) techniques are used for inspection of such objects both during fabrication as well as in-service stages. Ultrasonic testing (UT) is a very popular NDT technique adopted in such applications. Flaw detection and thickne...
The application of non-contact diagnostic methodologies is the current challenge in frame cultural heritage, referred to as preservation, monitoring and restoration. Inspired by potential shown infrared thermography rock mechanics’ non-destructive applications, this paper presents results achieved its use for quick survey different weathering types affecting natural stones at historical buildin...
Abstract The realistic modelling of condition structures with building information (BIM) is beneficial for the assessment structures. Condition survey in form Structural Health Monitoring (SHM) and testing one important source data to support this task. However, interpretation even more reliable if – or worst case damage particular structure known. Therefore, should be easily available preferab...
Abstract: Refractory materials containing cordierite (2MgO.2Al2O3.5SiO2) and mullite (3Al2O3.2SiO2) are used as support in furnaces, because of their low thermal expansion properties which confer them a very good ability to thermal shock resistance. Composed of two phases presenting very different CTE (1.5–3×10-6 for cordierite and 4–6×10-6 K-1 for mullite), these materials can develop damag...
The problem of plastic anti-personal mine detection is well known. These devices are typically 75mm in diameter and between 25mm to 50mm in thickness. Some types contain no metal, but their explosive (RDX, TNT) can be considered as a dielectric material with a dielectric constant between 3.5 and 4.0. This electromagnetic property enables a radar to identify mines. It is true that the radars ope...
Phased arrays are now widely used in ultrasonic non destructive testing, as they provide improved versatility with comparison to conventional monolithic probes. Apart from the intrinsic abilities to steer and to focus the beam through planar, curved or irregular profiles, specific phased arrays acquisition schemes can also be applied. Electronic commutation (a group of elements over a large arr...
Degradation of steam generator (SG) tubing due to both mechanical and corrosion modes has resulted in extensive repairs and replacement of SGs around the world. The variety of degradation modes challenges the integrity of SG tubing and, therefore, the stations’ reliability. Inspection and monitoring aimed at timely detection and characterization of the degradation is a key element for ensuring ...
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