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- Damage analysis (1)
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Institute
In the following parts, a damage analysis of an extrusion line is presented. An important
point is the recording of the damage and the consideration of all facts around the operation and the history of the machine. The investigations in the laboratory confirmed the facts gathered in the hypothesis [1].
The main cause to be assumed is the age of the machine and the resulting load changes, in connection with the additional holes and the carbide concentration. By an unfavourable coincidence, a borehole was drilled in a place where there was a high concentration of carbides.
From the already partially corroded fracture edges, it can be assumed that it was a gradual process until the final fracture of the component occurred. The fracture of the component could be prevented in the future by a different maintenance strategy for machines of the same construction [2].