Results 191 to 200 of about 7,614 (217)
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Inorganic Materials: Applied Research, 2016
The effect of the thermochemical modification of hexagonal BN micropowders with aluminum on the synthesis of cubic-BN-based polycrystals after attritor processing is studied. It is found that the preliminary hBNattr modification with aluminum reduces the parameters of the hBN → cBN phase transformation, namely, p and T, and results in the formation of ...
V. T. Senyut +5 more
openaire +1 more source
The effect of the thermochemical modification of hexagonal BN micropowders with aluminum on the synthesis of cubic-BN-based polycrystals after attritor processing is studied. It is found that the preliminary hBNattr modification with aluminum reduces the parameters of the hBN → cBN phase transformation, namely, p and T, and results in the formation of ...
V. T. Senyut +5 more
openaire +1 more source
Tool-wear mechanisms in hard turning with polycrystalline cubic boron nitride tools
Wear, 2001Hard turning is a turning operation performed on high strength alloy steels (45 < HRC < 65) in order to reach surface roughness close to those obtained in grinding (R ∼ 0.1 μm). Extensive research being conducted on hard turning has so far addressed several fundamental questions concerning chip formation mechanisms, tool-wear, surface integrity and ...
G. Poulachon, A. Moisan, I.S. Jawahir
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Performance of Turning Steels by Using Polycrystalline Cubic Boron Nitride Cutting Tool
Applied Mechanics and Materials, 2013PCBN cutting tool is widely used in turning process and known as second best cutting tool after Diamond. This study investigates the suitability of PCBN cutting tool to cut variety types of steel. Experimental results for three major parameters which are cutting speed 150, 175 and 200 m/min, depth of cut 0.1, 0.2 and 0.3 mm, and feed 0.1, 0.2, and 0.3 ...
Mohd Zulhasyree Mohd Zulkifli Cheng +1 more
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A Review of Polycrystalline Cubic Boron Nitride Cutting tool Developments and Application
1993This paper reviews published literature on the manufacture and application of polycrystalline cubic boron nitride (PCBN) cutting tools. More specifically, it details the various commercial CBN products, their composition/microstructure and physical properties, together with workpiece/material applications and associated machinability data. In addition,
A. M. Abrão +2 more
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Polycrystalline Diamond and Cubic Boron Nitride
1994Ernest Ratterman, Harold P. Bovenkerk
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Effects of hardness and grain size on wear resistance of polycrystalline cubic boron nitride
International Journal of Refractory Metals and Hard Materials, 2023Zili Kou
exaly