Failure Analysis

Use of Light Microscopy in Failure Analysis

The light microscope is one of the most important tools used by metallurgists in failure analysis. Development of electron metallographic instruments, such as the scanning electron microscope, has not diminished the importance of light microscopy. Basically, the light microscope is used to define the relationship of the fracture path to microstructural features and to assess the nature of the microstructure and its influence on the failure mechanism. Microscopic examination is used to detect abnormalities due to material quality, fabrication, heat treatment and service conditions. Proper implementation of light microscopy is of critical importance in failure analysis.

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resourcesThe articles and presentations that can be down-loaded from this web site are based upon work done by GFV while employed at Bethlehem Steel (1967-1983), Carpenter Technology (1983-1996), Buehler Ltd. (1996-2009) and Struers (2009-Present) and from the authors consulting work for companies such as, Latrobe Steel, Scot Forge, etc., and from his litigation work. GFV's bylined articles appearing in various issues of the ASM Handbook series have been listed here courtesy of ASM International, Materials Park, Ohio.

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