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Title: Consideration Of Shot Peening In Fatigue Strength Calculation Of Machine Parts
Author: Nakonieczny, A.
Source: Conf Proc: ICSP-4, (p.399-410)
Publication year 1990
Document number: 1990015
Number of pages: 11
Abstract:
In calculations of machine parts rarely there are regard of surface layer after heats, heat-chemicals, shot peening and others processes. Some strength calculation methods
take of surface layer as an experimental coefficients and then include these coefficients in calculation formulas. In paper there is made the proposals to take of surface
layer in strength calculation peened machine parts. The surface layer state is determined as a function of hardness and residual stresses distributions obtained after shot
peening process. The fatigue strength of machine parts is calculated as interdependence of surface layer state and external load characterization. In paper the example of
calculation of carburized and peened gears will be given.
Descriptors: Calculation of machine parts; Surface layer; Shot peening; Residual stresses; Hardness
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