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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Selection of materials exposed to high flow velocities
verfasst von : Johann Friedrich Gülich
Erschienen in: Centrifugal Pumps
Verlag: Springer Berlin Heidelberg
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Degradation or failures of materials due to fatigue, corrosion, abrasion and cavitation erosion time and again cause costly problems to pump operators. This could be avoided in most cases by a careful material selection. Frequently one of two causes can be made responsible for a wrong material selection: (1) the corrosive properties of the liquid pumped are not clearly specified (or unknown), or (2) for cost reasons (competitive pressure) the least expensive material is chosen which appears just to be able to do the job.