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Effect of ultrasonic nanocrystal surface modification on the characteristics of AISI 310 stainless steel up to very high cycle fatigue
Author(s) -
Khan M. K.,
Liu Y. J.,
Wang Q. Y.,
Pyun Y. S.,
Kayumov R.
Publication year - 2016
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/ffe.12367
Subject(s) - materials science , surface modification , nanocrystal , low cycle fatigue , fatigue testing , metallurgy , alloy , ultrasonic sensor , composite material , medicine , mechanical engineering , engineering , nanotechnology , radiology
Effects of ultrasonic nanocrystal surface modification (UNSM) on the very high cycle fatigue response of AISI 310 stainless steel have been investigated. The higher impact force used in UNSM treatment showed a higher fatigue life improvement. The fatigue life improvement was higher in crack initiation from the surface of specimens. The subsurface crack initiation depth in the alloy increased with increase in the fatigue failure cycles. It was concluded that UNSM treatment can increase the life of the alloy significantly up to very high cycle fatigue.

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