Results 41 to 50 of about 2,658 (198)
Chemical Engineering Transactions, 2017 The formula, the preparation process and the key technologies of the new polycrystalline cubic boron nitride (PCBN) cutting tool materials for Cast Iron Parts in High Speed Finish Machining are introduced in this article. In order to solve the problem of
Jianjun Nie, Hui Li
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Технічна інженерія, 2022 The use of hardened steels and high-hardness alloys provides the necessary mechanical and operational properties of machine parts and mechanisms, as a result of which the demand for the use of such materials is constantly growing.
A.O. , Yu.O. , S.A., S.An.
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A response surface methodology and desirability approach for predictive modeling and optimization of cutting temperature in machining hardened steel [PDF]
, 2014 This paper presents an experimental investigation on cutting temperature during hard turning of EN 24 steel (50 HRC) using TiN coated carbide insert under dry environment.
Ashok Kumar Sahoo, Purna Chandra Mishra
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Rain water harvesting management system in Zoo Negara, Selangor [PDF]
, 2018 Water is a key requirement either to human, animal or plant. Rainwater Harvesting System (RWH) is a technology used to collect and store rainwater from the roof for reuse.
Md Yassin, Azlina +3 more
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Effect of CNTs on properties of PcBN composites with mixed particle size
Jin'gangshi yu moliao moju gongchengTo improve the performance of PcBN composites prepared under high temperature and high pressure, mixed cBN particle sizes ranging from 0 to 0.5 μm and 0.5 to 1.0 μm were used as the raw material, Al-Ti-Al2O3 was used as the binder and the carbon ...
Changjiang XIAO +10 more
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Effect of nano-diamond on mechanical properties of polycrystalline cubic boron nitride
Fenmo yejin jishuPolycrystalline cubic boron nitride (PcBN) was sintered at the high temperature of 1500 ℃ under the pressure of 5.5 GPa, using cubic boron nitride (cBN) powders as the raw materials, Al powders and Si powders as the binders, and nano-diamond as the ...
ZHANG Qunfei +4 more
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Advances in Mechanical Engineering, 2014 In order to fabricate the abrasive wheels with good grain self-sharpening capacity, two types of multicrystalline CBN grains, that is, polycrystalline CBN (PCBN) and binderless CBN (BCBN), were brazed using Cu-Sn-Ti alloy, respectively.
Wen-Feng Ding +3 more
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Effect of binder content on microstructure and mechanical properties of PcBN composites [PDF]
Processing and Application of CeramicsIn this study, polycrystalline cubic boron nitride (PcBN) composites were successfully prepared under ultrahigh pressure (5.5GPa) and high temperature (1500 °C) by using cBN as precursor and TiC, Ti and Al as binders.
Mo Peicheng +7 more
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Quantitative APT analysis of Ti(C,N) [PDF]
, 2011 A specially produced Ti(C,N) standard material, with a known nominal composition, was investigated with laser assisted atom probe tomography. The occurrence of molecular ions and single/multiple events was found to be influenced by the laser pulse energy,
Andrén, Hans-Olof +4 more
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Binderless Polycrystalline Cubic Boron Nitride Sintered Compacts for Machining of Cemented Carbides
CeramicsHigh-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
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