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Journal of Materials Engineering and Performance

Erschienen in:

01.12.2015

Dislocation Configurations and Stress Distribution Along the Transverse Axis of Turbine Blade Body

verfasst von: Xianzi Lv, Fei Sun, Jinyan Tong, Shu Zhang, Qiang Feng, Jianxin Zhang

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 12/2015

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Abstract

The characteristics of microstructural evolution along the transverse axis of the 1/3 position of turbine blade body have been investigated with the help of transmission electron microscopy. Dislocation configurations change with the evolution of local stress from the leading edge to the trailing edge: slip bands → dislocations → only γ/γ′ structure → dislocations → slip bands. The formation mechanism of slip bands illustrates that dislocations are generated in pairs and glide on the same plane continuously. Finite element analysis is made to assess the stress distribution along the transverse axis of turbine blade body. The instantaneous and inhomogeneous stress at the leading and trailing edges of blade body becomes the driving force for the formation of slip bands.

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Nächster Artikel Corrosion Resistance of Electrogalvanized Steel Coated with PEG-Modified Ceria Layers in Chloride and Sulfate Media

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Titel: Dislocation Configurations and Stress Distribution Along the Transverse Axis of Turbine Blade Body
verfasst von: Xianzi Lv
Fei Sun
Jinyan Tong
Shu Zhang
Qiang Feng
Jianxin Zhang
Publikationsdatum: 01.12.2015
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 12/2015
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-015-1774-9

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