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  • Thermographic Analysis of Laser Pulsed Water Jets (.pdf)
    Surface treatment as well as cutting of metals, polymers and ceramics using water jet technology, has been established for some time. Compared to conventional techniques such as milling or grinding, the efficiency of the water jet technique is relatively low due to low process velocities. The
  • Monitoring of Surge Arresters through Thermographic Inspection - Case Studies
    In this paper we present evaluation cases of surge arrester operational conditions, through thermographic inspections, criteria applied in the field, and analysis carried out in units removed from operation due to the problems indicated by thermograms. Chesf (Companhia hidroelétrica do São
  • Thermography Enhances the Capabilities of Laser Transmission Welding (.pdf)
    In order to investigate the weldability of plastics, a thermographic system based on an FPA detector at 7.5 to 13 µm is realized. Using this technique, the influence of different material modifications and laser irradiation parameters on the heating behavior of selected thermoplastics is analyzed
  • Recent Advances in Pulsed Thermography
    . The thermographic signal reconstruction (TSR) method was developed specifically for sequence analysis. In TSR each pixel is converted to an equation that represents its deviation from expected defect-free behavior. The result is a noise-reduced image in which true subsurface defects are highlighted
  • Emissivity Measurements of Common Construction Materials
    , self-adhering flexible flashing membranes, oriented strand board (OSB), ethylene-propylene-diene monomer (EPDM roofing material), wood framing, and concrete. In order to provide a better analysis and determination of results with thermography measurements it is important to understand the relationships
  • Use of Thermography to Calibrate Fusion Welding Procedures in Virtual Fabrication Applications
    provides a unique method to measure such parameters on a whole-field basis. The paper presents measurement comparisons made on large welded plate structural components between whole-field thermographic data, thermocouple data, finite-element thermal analysis, and analytical approaches.

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