scholarly journals Influence of built-up layer on the wear mechanisms of uncoated and coated carbide tools during dry cutting of Inconel 718

2019 ◽  
Vol 85 (10) ◽  
pp. 856-865 ◽  
Author(s):  
SONG Xiaoqi ◽  
Yukio TAKAHASHI ◽  
Tohru IHARA
Keyword(s):  
Wear Mechanisms ◽  
Inconel 718 ◽  
Dry Cutting ◽  
Coated Carbide ◽  
Coated Carbide Tools

A Study of Cutting Forces in High-Speed Dry Milling of Inconel 718

2012 ◽  
Vol 500 ◽  
pp. 105-110 ◽  
Author(s):  
Huai Zhong Li ◽  
Jun Wang
Keyword(s):  
Cutting Forces ◽  
Inconel 718 ◽  
High Speed ◽  
Cutting Speed ◽  
High Yield ◽  
Dry Milling ◽  
Machining Processes ◽  
Dry Cutting ◽  
High Tendency ◽  
Coated Carbide

nconel 718 is one of the most commercially important superalloys but with very poor machinability. It has a very high yield stress and a high tendency to adhesion and work-hardening. A recent trend of improving the machining processes of difficult-to-cut materials is to move towards dry cutting operations. This paper presents an experimental study of the cutting forces in high speed dry milling of Inconel 718 using a milling cutter with coated carbide inserts. It is found that the peak cutting forces increase with an increase in chip load in a nonlinear way, but cutting speed does not show a significant influence on the cutting force for the range of cutting speeds tested in this study.

Wear mechanisms of coated carbide tools

1982 ◽  
Vol 9 (1) ◽  
pp. 60-75 ◽  
Author(s):  
P. A. Dearnley ◽  
E. M. Trent
Keyword(s):  
Wear Mechanisms ◽  
Coated Carbide ◽  
Coated Carbide Tools

Microstructure Induced Wear Mechanisms of PVD-Coated Carbide Tools during Dry Drilling of Newly Produced ADI

2015 ◽  
Vol 651-653 ◽  
pp. 1271-1276 ◽  
Author(s):  
Anil Meena ◽  
Mohamed El Mansori
Keyword(s):  
Wear Mechanisms ◽  
Cutting Tools ◽  
Experimental Studies ◽  
Cutting Speed ◽  
Microstructural Characteristics ◽  
Machine Material ◽  
Dry Drilling ◽  
Wear Mode ◽  
Coated Carbide ◽  
Coated Carbide Tools

Near-net shape austempered ductile iron (ADI) castings can be considered as a significant economic advantage to the increasing industrial demand for cost and weight efficient materials. However, due to microstructure induced inherent properties, ADI is considered as hard to machine material. The present paper thus investigates the interaction between the microstructural characteristics of ADI and wear mechanisms of PVD-coated carbide tools. The inherent properties of ADI materials are the function of its microstructural characteristics (retained austenite volume content and its carbon content, ferritic cell size, etc.) which can be controlled by the austempering parameters. Experimental studies of dry drilling of different ADI materials with the PVD-coated carbide tools were carried out at a cutting speed of 60 m/min and at a feed of 0.15 mm/rev. The wear mechanisms of the cutting tools were studied by using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) analysis techniques. The obtain results revealed the evolution of crater wear as the main wear mode. In addition, it provides the key findings aims to correlating the machining characteristics of ADI with its microstructure and production conditions.

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