Results 41 to 50 of about 5,149,609 (219)
The International Journal of Advanced Manufacturing Technology, 2018 The novel wrought nickel-based superalloy, AD 730™, is a good candidate material for turbine disc applications at high temperatures beyond 650 °C. The present study focuses on the machining performance of this newly developed alloy under high-speed ...
Zhe Chen +5 more
semanticscholar +1 more source
Wear characteristics of PCBN tools in ultra-precision machining of stainless steel at low cutting speeds [PDF]
, 2003 Polycrystalline cubic boron nitride (PCBN) cutting tools are widely used in the ultra-precision machining of stainless steel mould inserts for the injection moulding of optical lenses.
B.K.A. Ngoi +2 more
core +1 more source
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
doaj +1 more source
Thermo-Mechanical Effect on Poly Crystalline Boron Nitride Tool Life During Friction Stir Welding (Dwell Period) [PDF]
, 2018 Poly Crystalline Boron Nitride (PCBN) tool wear during the friction stir welding of high melting alloys is an obstacle to commercialize the process. This work simulates the friction stir welding process and tool wear during the plunge/dwell period of 14 ...
A. J. Smith +26 more
core +2 more sources
Tool wear/life evaluation when finish turning Inconel 718 using PCBN tooling
Procedia CIRP, 2012 Abstract Following a brief review of related literature, the paper outlines experimental results following finish turning of Inconel 718 using low concentration PCBN inserts. Testing utilised a modified L36 Taguchi fractional factorial orthogonal array which evaluated the effects of tool insert shape/geometry (round, C-type), tool edge preparation ...
Khan, S.A. +7 more
openaire +1 more source
Modelling of friction stir welding of DH36 steel [PDF]
, 2017 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
Advances in Mechanical Engineering, 2016 Ultra-precision machining of tungsten carbide (YG10) can be realized under the combined assistance of laser heating and two-dimensional ultrasonic vibration.
Feng Jiao +3 more
doaj +1 more source
Social emotional skills (SES) among lecturers in relation students performance [PDF]
, 2018 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
Super Abrasive Machining of Integral Rotary Components Using Grinding Flank Tools [PDF]
, 2018 Manufacturing techniques that are applied to turbomachinery components represent a challenge in the aeronautic sector. These components require high resistant super-alloys in order to satisfy the extreme working conditions they have to support during ...
Barton, Michael +5 more
core +2 more sources
Технічна інженеріяThe article presents the results of experimental studies on the influence of various cutting regimes on the surface roughness of high-hardness hardened steel obtained after face milling with polycrystalline cubic boron nitride (PCBN) tools, both uncoated
Ya.Р. Kovalenko, P.Р. Melnychuk
doaj +1 more source