Results 61 to 70 of about 3,378 (250)
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
Turning hardened steel using coated carbide at high cutting speeds [PDF]
The present work studies some aspects of the turning process applied on hardened steel using multilayer coated carbide tools at high cutting speeds. The influence of cutting parameters (vc, f, and depth of cut - d.o.c.) on tool temperature, tool wear ...
ANEIRO, Federico M. +2 more
core +1 more source
Binderless Polycrystalline Cubic Boron Nitride Sintered Compacts for Machining of Cemented Carbides
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
Effect of binder content on microstructure and mechanical properties of PcBN composites [PDF]
In 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
doaj +1 more source
Polycrystalline cubic boron nitride(PcBN) was prepared under a high temperature and an ultra-high pressure using an in situ synthesis method. The influence of sintering temperature on composition, micro-structure, relative density, porosity and ...
YU Wen-lin +4 more
doaj +1 more source
Failure and Control of PCBN Tools in the Process of Milling Hardened Steel
The polycrystalline cubic boron nitride (PCBN) milling tool can be used in the mold industry to replace cemented carbide tools to improve machining efficiency and quality. It is necessary to study the tool wear and failure mechanism to increase machining
Guangyue Wang +3 more
doaj +1 more source
Modelling of friction stir welding of DH36 steel [PDF]
A 3-D computational fluid dynamics (CFD) model was developed to simulate the friction stir welding of 6-mm plates of DH36 steel in an Eulerian steady-state framework. The viscosity of steel plate was represented as a non- Newtonian fluid using a flow
A Arora +35 more
core +1 more source
PCBN Performance in High Speed Finishing Turning of Inconel 718
Inconel 718 is a Ni superalloy widely used in high responsibility components requiring excellent mechanical properties at high temperature and elevated corrosion resistance.
José Díaz-Álvarez +3 more
doaj +1 more source
Social emotional skills (SES) among lecturers in relation students performance [PDF]
Social emotional skills (SES) of a lecturer are considered to play a vital role towards student performance. Despite of the fact, when it comes to Technical Vocational Education and Training (TVET), very little research is found on the importance and ...
Dahri, Salma
core
Current Trends and Future Perspective for Cold Spray Metal‐Ceramic Composites
The use of cold spray (CS) technology for creating cermet deposits, combining ceramic and metallic components, is advancing rapidly. Cermets offer excellent temperature handling and erosion resistance for diverse applications. This review outlines the current state of the art, focusing on the deposition dynamics and strategies to optimize the ...
Romario A. Wicaksono +2 more
wiley +1 more source

