Results 131 to 140 of about 366 (156)
ASME 2009 International Manufacturing Science and Engineering Conference, Volume 2, 2009 Monitoring and control of thermomechanical parameters in tooling materials are imperative for improving the fundamental understanding, reliability and workpiece quality of material removal processes. Polycrystalline cubic boron nitride (PCBN) tools are being used heavily in machining of low carbon steel and superalloys.
Dirk Werschmoeller, Xiaochun Li
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Optics and Laser Technology, 2015
Abstract The present paper investigates a transformation induced fracture mechanism for the cutting of Polycrystalline Cubic Boron Nitride (PCBN) sample by a hybrid CO2 laser/waterjet (CO2-LWJ) manufacturing process. In CO2-LWJ machining, a laser was used for local heating followed by waterjet quenching leading to fracture propagation along the ...
Zhuoru Wu +2 more
exaly +2 more sources
Abstract The present paper investigates a transformation induced fracture mechanism for the cutting of Polycrystalline Cubic Boron Nitride (PCBN) sample by a hybrid CO2 laser/waterjet (CO2-LWJ) manufacturing process. In CO2-LWJ machining, a laser was used for local heating followed by waterjet quenching leading to fracture propagation along the ...
Zhuoru Wu +2 more
exaly +2 more sources
International Journal of Mechatronics and Manufacturing Systems, 2009
The operative range of existing sensors is very limited with respect to withstanding harsh environments (high temperature or pressure, severe strains, etc.). Additionally, available sensors are limited in spatial and temporal resolution due to their large size. This paper reports on design, fabrication and characterisation of embedded sensors for harsh
Dirk Werschmoeller, Xiaochun Li
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The operative range of existing sensors is very limited with respect to withstanding harsh environments (high temperature or pressure, severe strains, etc.). Additionally, available sensors are limited in spatial and temporal resolution due to their large size. This paper reports on design, fabrication and characterisation of embedded sensors for harsh
Dirk Werschmoeller, Xiaochun Li
exaly +2 more sources
Simulation of friction between diamond and polycrystalline cubic boron nitride
Procedia CIRP, 2021 S.44-49Grinding is a key technology in the manufacturing chain of polycrystalline cubic boron nitride (PCBN) cutting tools. However, high wear and low material removal rates during grinding lead to high manufacturing costs of PCBN cutting tools.
Sebastian Barth
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International Journal of Refractory Metals and Hard Materials, 2004 Polycrystalline cubic boron nitride (PcBN) cutting tools are used for the machining of ferrous alloys at high speeds and temperatures where the use of diamond is precluded due to graphitisation.
Brookes, E.J. +2 more
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Journal of Laser Applications, 2016 Chipping of hardened steel is often performed by the use of polycrystalline cubic boron nitride (PCBN). Moreover, PCBN tools are also suitable for many machining tasks with a lower degree of specialization, due to their excellent mechanical properties ...
Claus Emmelmann, Emmelmann Claus
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Hard Turning of AISI D2 Steel by Polycrystalline Cubic Boron Nitride (PCBN)
Applied Mechanics and Materials, 2015The machining of hard turning is performed on hardened steel in the range of 45 to 68 Rockwell hardness using a variety of tool materials such as Polycrystalline cubic boron nitride (PCBN) , Polycrystalline diamond (PCD) and Cubic boron nitride (CBN).
A. Srithar +2 more
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Advanced Materials Research, 2010
A novel cost-effective pressureless sintering method has been developed to prepare polycrystalline cubic boron nitride (PcBN) compacts. The effect of feldspar as sintering aids was analyzed in this paper. Various amounts of feldspar from 5 to 15 wt% were added to cBN powders, and the pressureless sintering was conducted at temperatures ranging from 900°
Zhen Huo Ren +4 more
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A novel cost-effective pressureless sintering method has been developed to prepare polycrystalline cubic boron nitride (PcBN) compacts. The effect of feldspar as sintering aids was analyzed in this paper. Various amounts of feldspar from 5 to 15 wt% were added to cBN powders, and the pressureless sintering was conducted at temperatures ranging from 900°
Zhen Huo Ren +4 more
openaire +1 more source
Materials Today: Proceedings, 2019
Abstract The performance of polycrystalline cubic boron nitride (PCBN) was studied to investigate surface roughness analysis at various machining parameters. The PCBN tools were used in tool steel AISI D2 steel with hardness of 64 HRC. Machining test was performed with dry cutting condition at different cutting speed, feed and depth of cut.
A. Srithar +2 more
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Abstract The performance of polycrystalline cubic boron nitride (PCBN) was studied to investigate surface roughness analysis at various machining parameters. The PCBN tools were used in tool steel AISI D2 steel with hardness of 64 HRC. Machining test was performed with dry cutting condition at different cutting speed, feed and depth of cut.
A. Srithar +2 more
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The International Journal of Advanced Manufacturing Technology, 2001
3 min −1 . Carbide inserts were also tested under the same cutting conditions. The tests were carried out in the dry condition. Three different hardened steels were cut and the wear mechanism was investigated using a scanning electronic microscope (SEM). The minimal wear mechanism found was a combination of adhesion and abrasion.
A. Braghini Jr, R.T. Coelho
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3 min −1 . Carbide inserts were also tested under the same cutting conditions. The tests were carried out in the dry condition. Three different hardened steels were cut and the wear mechanism was investigated using a scanning electronic microscope (SEM). The minimal wear mechanism found was a combination of adhesion and abrasion.
A. Braghini Jr, R.T. Coelho
openaire +1 more source