CHARACTERIZATION METHODS AND PERFORMANCE OPTIMIZATION OF COATED CUTTING TOOLS

Coated tools constitute the majority of the tools applied in material removal processes. Analytical?experimental methodologies for predicting film properties and cutting performance of coated tools are introduced. Stress?strain curves and fatigue critical loads of coatings are determined at various...

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Bibliographic Details
Published in:Annals of Faculty Engineering Hunedoara 2014-01, Vol.12 (1), p.121
Main Authors: Bouzakis, Konstantinos-Dionysios, Skordaris, Georgios, Bouzakis, Emmanouil, Michailidis, Nikolaos
Format: Article
Language:English
Subjects:
Cutting tools
Fatigue
Milling industry
Optimization
Protective coatings
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Summary:Coated tools constitute the majority of the tools applied in material removal processes. Analytical?experimental methodologies for predicting film properties and cutting performance of coated tools are introduced. Stress?strain curves and fatigue critical loads of coatings are determined at various temperatures by nanoindentations and impact tests respectively. The film adhesion is assessed effectively by inclined impact tests and the film brittleness by nano?impacts. The effect of the cutting edge impact duration in milling on the tool performance is captured via impact tests at various force signal times. Moreover, micro?blasting on PVD coatings at appropriate conditions improves the coated tool life. The relevant results are evaluated by Finite Elements Method (FEM) procedures. The described procedures allow the prediction of coated tool cutting performance and the effective adaption of the cutting conditions to the film properties, thus restricting the related experimental cost. [PUBLICATION ABSTRACT]
ISSN:1584-2665
2601-2332