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The paper presents the results of the investigation of fatigue strength improvement possibilities making use of ball peening. Made of 41Cr4 steel samples with 25µm thin chromium coatings were tested. Surface stereometric parametres and fatigue strength limit at oscillatory bending were measured. The correlation between the Sa parametre of the ball-peened surface and fatigue strength limit was proved...
W artykule zamieszczono wyniki badań wytrzymałości zmączenieniowej oraz stanu warstwy wierzchniej elementów ze stali 40H pokrytych powłoką chromu galwanicznego o grubości ∼25 µm i obrobionych przez pneumokulkowanie. Stwierdzono, że pneumokulkowanie powłok chromowych może poprawić wytrzymałość zmęczeniową do poziomu zbliżonego, jaki posiadały elementy przed chromowaniem.
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