Stress in the surface layer of objects burnished after milling

This paper presents the effects of modeling the stress in the burnished layer of a complex spatial surface that was previously milled. A spatial kinematic-geometric model of the surface structure after milling is used. This paper presents the results of a numerical experiment on the synergic influen...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2014-06, Vol.72 (9-12), p.1655-1663
Main Authors: Grochała, Daniel, Berczyński, Stefan, Grządziel, Zenon
Format: Article
Language:English
Subjects:
Aluminum
Burnishing
CAE) and Design
Cavitation
Computer-Aided Engineering (CAD
Cracks
Cutters
Engineering
Industrial and Production Engineering
Injection molding
Mechanical Engineering
Media Management
Milling (machining)
Original Article
Press tools
Residual stress
Surface layers
Surface structure
Tool life
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Summary:This paper presents the effects of modeling the stress in the burnished layer of a complex spatial surface that was previously milled. A spatial kinematic-geometric model of the surface structure after milling is used. This paper presents the results of a numerical experiment on the synergic influence of the technological milling and burnishing parameters responsible for the final state of the geometric structure of a surface on the post-machining stress in the surface layer. The stress in the surface layer plays an important role because it is frequently responsible for the development of cracks, corrosion, and cavitation (in the surface area of injection aluminum molds, press tools, and core cutters). A proper understanding of the mechanisms responsible for the origin and development of residual stress will be conducive to the improvement of functional properties and longer tool life.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-014-5775-x