Results 11 to 20 of about 135 (113)
Influence of sintering temperature on structure and mechanical properties of polycrystalline cubic boron nitride composites [PDF]
Polycrystalline cubic boron nitride (PcBN) cutting tool materials were prepared by mixing cBN (85 wt.%) and TiN-Ti-Co (15 wt.%) micropowders under high temperature and ultra-high pressure.
Mo Peicheng +5 more
doaj +1 more source
Fracture Properties of PCBN as a Function of Loading Rate and Temperature [PDF]
Polycrystalline Cubic Boron Nitride (PCBN) is a super-hard material used in some of the most demanding material removal operations today. These include turning of hardened steels, as well as the machining of highly abrasive alloys. In these applications the tools are subjected to high operating temperatures, abrasive and impact loading.
Carolan, Declan +3 more
openaire +3 more sources
Machining force comparison for surface defect hard turning and conventional hard turning of AISI 52100 steel [PDF]
In this article, a recently developed method called surface defect machining (SDM) for hard turning has been adopted and termed surface defect hard turning (SDHT). The main purpose of the present study was to explore the impact of cutting parameters like
P. UMAMAHESWARRAO +2 more
doaj +1 more source
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
doaj +1 more source
Application of TOPSIS for multi response optimization of Process Parameters in dry hard turning of AISI 52100 steel [PDF]
In the present work by employing the Technique for order of preference by similarity to ideal solution (TOPSIS) machining parameters optimization is performed with polycrystalline cubic boron nitride (PCBN) tools while AISI 52100 steel hard turning (HT).
P. UMAMAHESWARRAO +3 more
doaj +1 more source
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.
doaj +1 more source
The Effect of Material Microstructures on Tool Edge Preparation of PCBN Cutting Tools
PCBN tools are widely used in the machining of ferrous metals. Tool edge preparation is a crucial procedure in the tool preparation process that directly affects tool performance.
Zhiping Huang +3 more
doaj +1 more source
Effect of CNTs on properties of PcBN composites with mixed particle size
To 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
doaj +1 more source
Effect of nano-diamond on mechanical properties of polycrystalline cubic boron nitride
Polycrystalline 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
doaj +1 more source
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
doaj +1 more source

