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2022 | OriginalPaper | Buchkapitel

Investigation of the Surface Layer Hardness When Grinding Sintered Porous Workpieces

verfasst von : Oleg Zabolotnyi, Tetiana Bozhko, Tetiana Halchuk, Olha Zaleta, Dagmar Cagáňová

Erschienen in: Advances in Design, Simulation and Manufacturing V

Verlag: Springer International Publishing

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Abstract

The essential properties of sintered powder materials are porosity and hardness. It is established that a part made through powder metallurgy methods is exposed to external factors during the finishing stages. It leads to changes in the surface layer’s characteristics of the part. The experimental research program provided definitions of the influence of transverse feed, cutting speed, and porosity on the hardness of a surface layer and its consolidation. The optimal modes of grinding porous workpieces acquired by isostatic pressing of powder materials with further sintering were obtained. Their surface layers are compacted mainly due to the grinding of porous workpieces. The treatment of porous iron parts by grinding increases the microhardness of the surface layer, yet increasing the transverse feed reduces it. Also, it was found that increasing the hardness of the surface layer of the porous workpiece after grinding is possible because of additional movements of the tool without transverse feed.

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Metadaten
Titel
Investigation of the Surface Layer Hardness When Grinding Sintered Porous Workpieces
verfasst von
Oleg Zabolotnyi
Tetiana Bozhko
Tetiana Halchuk
Olha Zaleta
Dagmar Cagáňová
Copyright-Jahr
2022
DOI
https://doi.org/10.1007/978-3-031-06025-0_35

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