Failure of a stationary pump engine piston |
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Authors: | G G Martin |
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Affiliation: | (1) ATTAR, P.O. Box 286, 3171 Springvale, Vic, Australia |
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Abstract: | Piston failures are not a common occurrence, but they do occur, and failure is usually associated with fatigue crack growth.
Most failures initiate at the gudgeon pin hole or in the skirt of the piston. Occasionally they fail elsewhere. In the example
covered in this paper, failure initiated in the crown and progressed down to the gudgeon pin before final failure occurred.
This paper outlines the cause and mode of failure and shows that small metallurgical discontinuities can contribute to these
failures under the right circumstances. |
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Keywords: | aluminum fatigue piston |
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