Surface Layer Properties after Successive EDM or EDA and Then Superficial Roto-Peen Machining | Zendy

A. Dmowska | Zendy; B. Nowicki | Zendy; Anna Podolak-Lejtas | Zendy

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Surface Layer Properties after Successive EDM or EDA and Then Superficial Roto-Peen Machining

Author(s) -

A. Dmowska,

B. Nowicki,

Anna Podolak-Lejtas

Publication year - 2012

Publication title -

advances in tribology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.325

H-Index - 17

eISSN - 1687-5923

pISSN - 1687-5915

DOI - 10.1155/2012/723919

Subject(s) - indentation hardness , electrical discharge machining , machining , surface roughness , abrasive , materials science , surface finish , microstructure , layer (electronics) , metallurgy , surface layer , composite material

The paper presents the results of the influence of basic electrical discharge machining EDM parameters and electrical discharge alloying EDA parameters on surface layer properties and on selected performance properties of machine parts after such machining but also the influence of superficial cold-work treatment applied after the EDM of EDA on modification of these properties. The investigations included texture of the surface, metallographic microstructure, microhardness distribution, fatigue strength, and resistance to abrasive wear. It was proved that the application of the roto-peen after the EDM and the EDA resulted in lowering roughness height up to 70%, the elevation of surface layer microhardness by 300–700 μHV, and wear resistance uplifting by 300%

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