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Purpose: This paper discusses improvements associated with the life of cutting tools used to machine M42 tool steel. To achieve this in an efficient way, experiments on a variety of tool coatings are conducted on AISI M42 tool steel (58-63 HRC). Design/methodology/approach: In order to assess the impact of different tool coatings on the machining process, initial experiments simulate existing machining operations; this provides a standard for tool life and surface finish. Findings: The findings in the paper show that TiAlCrYN coated WC-Co cutting tools perform better than uncoated cutting tools. Research limitations/implications: The implications of the paper tend to indicate that machining M42 tool steels without lubricant can be optimized using coated cutting tools. The limitations of the paper include machining at one specific cutting speed and the employment of a short-time tool wear method. Practical implications: The practical implications of the paper show that dry machining of hardened tool steels can be achieved under certain circumstances. Further research is needed to explain how the wear mechanism changes with varying machining conditions. Originality/value: The paper presents original information on the characteristics of dry machining of M42 tool steel under specific machining operations. The paper is of interest to manufacturing engineers and materials scientists.
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Rocznik
Tom
Strony
83--86
Opis fizyczny
Bibliogr. 15 poz., fot., rys., tab.
Twórcy
autor
autor
autor
- Brick Nanotechnology Centre, College of Technology, Purdue University, West Lafayette, Indiana, USA, jacksomj@purdue.edu
Bibliografia
- [1] M.C. Shaw, Metal Cutting Principles - Second Edition, Oxford Series on Advanced Manufacturing, Oxford University Press 2005, 15-38.
- [2] G. Boothroyd, W.A. Knight, Fundamentals of Machining and Machine Tools, Marcel Dekker, (1989), 73-108.
- [3] ASM Metals Handbook - Machining', Volume 16, p.p. 874-878 - Machining of Uranium, 9th Edition, 1989, ASM International, ISBN0-87170-007-7.
- [4] O. Knotek, M. Böhmer, T. Leyendecker, Structure and properties of Ti and Al hard compound films, Journal Vacuum Science Technology A 4 (1986) 2695-2710.
- [5] H. Jehn, S. Hofmann, V. E. Rückborn, W.D. Münz, Morphology and properties of sputter (Ti,Al) N layers on high-speed steel as a function of deposition temperature and sputtering atmosphere, Journal Vacuum Science Technology A 4 (1986) 2701-2705.
- [6] W.D. Münz, TiAlN films: an alternative to TiN coatings Journal Vacuum Science Technology A 4 (1986) 2717-2725.
- [7] G. Håkansson, J.E. Sundgren, D. McIntyre, J.E. Greene, W.D. Münz, Microstructure and physical properties of polycrystalline metastable Ti0.5Al0.5N alloys grown by d.c. magnetron sputter deposition, Thin Solid Films 153 (1987) 55-62.
- [8] D. McIntyre, J.E. Greene, G. Håkansson, J.E. Sundgren, W.D. Münz, Oxidation of metastable single phase polycrystalline Ti0.5Al0.5N Films, Journal Applied Physics 67 (1990) 1542-1553.
- [9] W.D. Münz, Oxidation resistance of hard wear resistant Ti0.5A10.5N coatings grown by magnetron sputtering deposition, Werkstoffe Korros 41 (1990) 753-754.
- [10] W.D. Münz, D. Schulze, F.J.M. Hauzer, A new method for hard coatings - Arc bond sputtering, Surface Coatings Technology 50 (1992) 169-178.
- [11] L.A. Dobrzański, K. Gołombek, E. Hajduczek, Structure of the nanocrystalline coatings obtained on the CAE process on the sintered tool materials, Journal of Materials Processing Technology 175 (2006) 157-162.
- [12] L.A. Dobrzański, D. Pakuła, A. Križ, M. Soković, J. Kopač, Tribological properties of the PVD and CVD coatings deposited onto the nitride tool ceramics, Journal of Materials Processing Technology 175 (2006) 179-185.
- [13] L.A. Dobrzański, K. Gołombek, J. Mikuła, D. Pakuła, Cutting ability improvement of coated tool materials, Journal of Achievements in Materials and Manufacturing Engineering 17 (2006) 41-44.
- [14] L.A. Dobrzański, A. Śliwa, W. Kwaśny, W. Sitek, The computer simulation of Ti + TiC coatings obtained in the PVD process, Journal of Achievements in Materials and Manufacturing Engineering 17 (2006) 241-244.
- [15] L.A. Dobrzański, K. Gołombek, Structure and properties of cutting tools made from cemented carbides and cermets with TiN+mono, gradient or multi (TiAlSi)N+TiN nanocrystalline coatings, Journal of Materials Processing Technology 164-165 (2005) 805-815.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BOS5-0019-0069