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Case of Failure Analysis of Machine Parts
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| Kaname FUJII, Shigeki TAKAGO and Kaoru AWAZU |
The activities of the Industrial Research Institute of Ishikawa include
examinations of photography and EDS or WDS analysis that use a scanning
electron microscope. The purposes of these examinations are the settlement
of claims and product improvement in connection with analysis of machine
parts, conveyance parts, and structural parts which have broken down,
corroded or worn out, and foreign substances which have become mixed into
or adhered to the material. The number of such cases exceeds 120 every
year. Although there are many examples of failure analysis of machine
parts, which are valuable from a technical viewpoint, most of them have
not been disclosed to the public, and are known only by certain companies,
because they relate to trade secrets. In this report, we introduce a failure
analysis method using fractography, which has been performed at the Industrial
Research Institute of Ishikawa, with actual examples
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Keywords ■■■ |
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failure analysis , fractography |
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