Results 21 to 30 of about 53,034 (205)

Profile Grinding of High-Speed Steel using Ultrafine-Crystalline cBN Wheels

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2008
This paper deals with the grinding characteristics of newly developed ultrafine-crystalline cBN (cBN-U) abrasive grains in creep feed profile grinding of high-speed steels.
Yoshio ICHIDA
doaj   +1 more source

Development of a High Performance Vitrified Grinding Wheel using Ultrafine-Crystalline cBN Abrasive Grains

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
This paper describes the development of a high-performance vitrified bonded cBN grinding wheel using a new type of ultrafine-crystalline cBN (cBN-U) abrasive grain. Surface plunge grinding experiments using a vitrified wheel made of the cBN-U grains with
Yoshio ICHIDA, Masakazu FUJIMOTO, Yuichiro INOUE, Keisuke MATSUI   +3 more
doaj   +1 more source

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, Selamat, Nurul Atiqah Nabilah, Shafii, Haryati, Shareh Musa, Sharifah Meryam   +3 more
core   +1 more source

Transfer of Cubic Boron Nitride Grinding Wheel Wear Products to the Nickel Alloy Surface [PDF]

MATEC Web of Conferences, 2020
The article summarizes the results of microscopic and x-ray spectral studies of objects embedded in the surface layer of a nickel alloy after grinding with a wheel of cubic boron nitride (CBN) on a ceramic bond.
Nosenko Vladimir A., Fetisov Aleksandr V., Kuznesov Semen P.   +2 more
doaj   +1 more source

Spark plasma sintering of cBN(core)/SiO2(shell) powder prepared by rotary chemical vapor deposition

Journal of Asian Ceramic Societies, 2014
SiO2 nanolayer coated cubic boron nitride (cBN), cBN(core)/SiO2(shell) powder, was prepared by rotary chemical vapor deposition. The cBN/SiO2 powder was densified by spark plasma sintering at 1873 K for 0.3 ks. The hexagonal boron nitride (hBN) phase was
Jianfeng Zhang, Hirokazu Katsui, Zhenhua He, Takashi Goto   +3 more
doaj   +1 more source

The Effect of an External Electric Field on the Electronic Properties of Defective CBN Nanotubes: A Density Functional Theory Approach

Crystals, 2022
We investigated the effects of applying an external electric field on the electronic properties of Stone-Wales (SW) defective carbon-boron-nitride nanotubes (CBN) using first principles calculations.
Saed Salman, Najeh Rekik, Alaaedeen Abuzir, Adil Alshoaibi, Jamal Suleiman   +4 more
doaj   +1 more source

Inflation and stock return volatility in selected African countries: A GARCH-MIDAS approach

Scientific African
Amidst persistent inflationary pressures in Africa and central banks raising rates to counter inflation, leading to a shift from stocks to alternative assets and impacting stock return volatility, this paper investigates the influence of inflation on ...
Kamaludeen Muhammad, Abulbashar Saleh, Umar M. Bello, Jeremiah M. Tule, Elijah A. John, Joy E. Edet, Iheanacho Ohiaeri, Chukwuemeka N. Eneanya   +7 more
doaj   +1 more source

Every which way? On predicting tumor evolution using cancer progression models [PDF]

, 2019
Successful prediction of the likely paths of tumor progression is valuable for diagnostic, prognostic, and treatment purposes. Cancer progression models (CPMs) use cross-sectional samples to identify restrictions in the order of accumulation of driver ...
Díaz-Uriarte, Ramón, Vasallo, Claudia
core   +2 more sources

Forecasting exchange rate volatility with monetary fundamentals: A GARCH-MIDAS approach

Scientific African
The study examines the power of monetary fundamentals (interest rate and money supply growth) in forecasting daily exchange rate volatility in South Africa and Nigeria.
Patience Eyo Eniayewu, Gideon Tukura Samuel, Jeremiah Dandaura Joshua, Bazitei Tuapreghe Samuel, Bishara Saidu Dogo, Umar Yusuf, Rosemond Onyinye Ihekuna, Chioma Reacheal Mevweroso   +7 more
doaj   +1 more source

Review on the possible tool materials for friction stir welding of steel plates [PDF]

, 2014
The friction stir welding (FSW) process is mainly used in industrial applications for joining low melting temperature materials such as aluminium and magnesium. FSW has many advantages in comparison with conventional fusion arc welding.
De Waele, Wim, Deplus, K, Faes, K, Sierens, A, Vanvooren, J   +4 more
core   +1 more source