Results 31 to 40 of about 5,722,714 (164)

Investigation on surface morphology and crystalline phase deformation of Al80Li5Mg5Zn5Cu5 high-entropy alloy by ultra-precision cutting

open access: yesMaterials & Design, 2020
The materials with high precision,easy machining and excellent micro-machinability are considered significant on the fabrication of precision components, the outstanding comprehensive properties of Al80Li5Mg5Zn5Cu5 high-entropy alloy just meet these ...
Zhiyuan Huang   +5 more
doaj   +1 more source

A Comparative Study on Cutting Tool Performance in High-Speed Face-Milling of Hardened Tool Steels [PDF]

open access: yesArchives of Metallurgy and Materials
In this study cutting speeds and tool life constants for seven different cutting tools are investigated while high-speed face milling of four different much used hardened tool steels.1.2379 and 1.2080 cold-work tool steels, 1.2344 hot-work tool steel and
Ali O. Er, E. Aslan
doaj   +1 more source

Advancing Sustainable Manufacturing for Cutting Tools: The Role of Green Machining and Tool Regrinding

open access: yesJournal of Manufacturing and Materials Processing
High-performance cutting materials are central to modern production engineering. Cemented carbides dominate industrial tooling, while polycrystalline boron nitride (PcBN) is established for hard turning and finishing nickel-based alloys.
Berend Denkena   +3 more
doaj   +1 more source

Binderless Polycrystalline Cubic Boron Nitride Sintered Compacts for Machining of Cemented Carbides

open access: yesCeramics
High-purity, superhard, binderless polycrystalline cubic boron nitride (BL-PCBN) was obtained by direct hBN to cBN transformation in a toroid-type high-pressure apparatus at a pressure of 8.0 GPa and temperature of 2250 °C (HPHT-DCS; high-pressure, high ...
Alexander S. Osipov   +6 more
doaj   +1 more source

Modern approaches to face milling of hard-to-machine materials using PCBN tools

open access: yesTechnical sciences and technologies
The article discusses innovative methods and technologies for face milling of hard-to-machine materials using polycrystalline cubic boron nitride (PCBN) tools.
Ihor Lutsiv
semanticscholar   +1 more source

Effect of machining parameters on cutting force and surface integrity when high-speed turning AD 730™ with PCBN tools

open access: yesThe International Journal of Advanced Manufacturing Technology, 2018
The novel wrought nickel-based superalloy, AD 730™, is a good candidate material for turbine disc applications at high temperatures beyond 650 °C. The present study focuses on the machining performance of this newly developed alloy under high-speed ...
Zhe Chen   +5 more
semanticscholar   +1 more source

THE INFLUENCE OF COOLING CONDUCTIVITY ON THE CHANGE OF TEMPERATURE GRADIENT IN THE PCBN TOOL

open access: yesCutting & Tools in Technological System, 2020
Виконаний модельний аналіз впливу теплопровідності захисного покриття TiAlN на градієнт температури в інструменті, оснащеному надтвердим композитом «киборит», при обробці загартованої сталі. Встановлено, що захисне покриття має суттєвий вплив на градієнт температури в різальному інструменті з надтвердого композиту ПКНБ в тому випадку, коли коефіцієнт ...
Andriy Manokhin, Sergiy Klуmenko
openaire   +4 more sources

Research on characteristics of tool wear in laser heating and ultrasonic vibration cutting of tungsten carbide

open access: yesAdvances in Mechanical Engineering, 2016
Ultra-precision machining of tungsten carbide (YG10) can be realized under the combined assistance of laser heating and two-dimensional ultrasonic vibration.
Feng Jiao   +3 more
doaj   +1 more source

Finish machining of hardened steel by face milling using uncoated and TiSiN and TiAlN coated PCBN tools

open access: yesТехнічна інженерія
The article presents the results of experimental studies on the influence of various cutting regimes on the surface roughness of high-hardness hardened steel obtained after face milling with polycrystalline cubic boron nitride (PCBN) tools, both uncoated
Ya.Р. Kovalenko, P.Р. Melnychuk
doaj   +1 more source

Increased performance in high speed turning of Inconel 718 by laser structuring of PcBN tools

open access: yes, 2018
In order to improve the cutting performance of PcBN tools, the cutting edge is prepared e.g. by grinding or brushing. Since PcBN is the second hardest material besides diamond, mechanical preparation of PcBN tools is associated with high wear and low ...
B. Denkena   +3 more
semanticscholar   +1 more source

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