Journal ArticleDOI
Drilled Hole Quality Assessment in Ferrous PM Components Using Surface Integrity Techniques
TLDR
The integrationrite de surface is un moyen fiable et net d'evaluation des caracteristiques geometriques, topographiques et metallurgiques de la piece usinee et de l'operation d'usinage dans le cas du percage de pieces frittees en metaux ferreux as mentioned in this paper.Abstract:
L'integrite de surface est un moyen fiable et net d'evaluation des caracteristiques geometriques, topographiques et metallurgiques de la piece usinee et de l'operation d'usinage dans le cas du percage de pieces frittees en metaux ferreuxread more
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Journal ArticleDOI
Machinability of Powder Metallurgy Steels Using PcBN Inserts
TL;DR: In this article, the machinability of powder metallurgy (PM) steels was investigated and the influence of manganese sulfides (MnS) in the machining process was analyzed by comparing experiments applying alloys with defined content of MnS.
Journal ArticleDOI
Factors influencing the machinability of sintered steels
TL;DR: In this paper, the machinability of powder metallurgy materials is considered to be poor, and the main factors that deteriorate the machining of PM parts are introduced.
Journal ArticleDOI
Characterisation of machinability of sintered steels during drilling operations
TL;DR: In this paper, a characterisation technique using scanning electron microscopy and image analysis was developed to characterise quantitatively the amount of flank wear on drillbits, which was shown experimentally, using a drilling test bench, that was proportional to the rate of variation of the thrust force as measured during drilling.
Journal ArticleDOI
Modelling the basic cutting action and machining performance of sintered metallic materials
TL;DR: In this article, the authors used orthogonal cutting tests to study and model the basic cutting action and machining performance of a popular sintered metallic material widely used in structural automotive components.
Journal ArticleDOI
Some aspects in the surface integrity associated with turning of powder metallurgy compacts
G.T. Smith,M.J. Allsop +1 more
TL;DR: In this article, the authors show that increasing the feed rate generally debilitates the surface integrity but, probably due to some elasticity in the porous compact's surface, this does not cause residual hardening to the machined surface.
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