Abstract
The possibility of inspecting flaws in ceramic materials using Ultrasonic Testing (UT) and X-Ray methods was studied to investigate the reliability of ceramic material joints. First, Scanning Electron Microscope(SEM) images of two grades of ceramics were compared to those acquired by a scanning acoustic microscope (SAM) with respect to the number, and size of flaws. Second, ceramic sample with a known size of internal voids was evaluated by X-Ray-CT. Third, two jointed ceramic specimens were evaluated by X-Ray methods, SAM, and other UT methods. X-Ray methods and UT methods effectively established the safety of ceramic materials for structural uses.
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