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Title: Shot Peening Of Superalloys And Its Fatigue Properties At Elevated Temperature
Author: R. Wang, Zhang, D. Song, Y Yin
Source: Conf Proc: ICSP-1, (p.395-404)
Publication year 1981
Document number: 1981064
Number of pages: 9
Abstract:
The effects of shot-peening on the elevated temperature fatigue properties (550-800oC) of four iron base, four wrought nickel base and one cast nickel base superalloys were
investigated. It was found that the elevated temperature fatigue strength of all suepralloys can be improved by shot-peening in different degree, and the effects of fatigue
improvement are more pronounced for notched specimens.
Descriptors: Shot-peening, Elevated temperature fatigue (superalloys); Subgrain; Latticedistortion; Residual stress; Fractography
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