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Title: Fundamentals of the Deep Rolling of Compressor Blades for Turbo Aircraft Engines
Author: S Mader, F Klocke
Source: Conf Proc: ICSP-9 (pg 125-130)
Publication year 2005
Document number: 2005062
Number of pages: 6
Abstract:
ABSTRACT
The weakening of the fatigue strength of turbine blades due to local impact damage caused by foreign objects (Foreign Object Damage - FOD) represents a significant safety
risk in modern aviation. It is possible to employ deep rolling to counteract such component weakening in a particularly effective way.
In order to derive a possible process parameter-set in advance, fundamental knowledge regarding the elastic and plastic deformation was researched.
For this, FE analysis and practical tests were performed and compared. They are showing the complex deformation mechanisms occurring during the rolling contact.
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