Browsing Journal Articles by Subject "XRD"

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Ball milling and annealing of Co-50 at% W Powders

Author: Bolokang, AS ; Phasha, MJ ; Motaung, DE Date: Apr 2013 Broadening and height reduction of X-ray diffraction peaks were observed after cold-pressing of unmilled Co-W pow- der mixture. It seems the effect of cold pressing has slightly reduced the lattice parameter of W from 3.165 to 3.143 Å. ... Read more
Corrosion behaviour of WC-VC-Co hardmetals in acidic media

Author: Konadu, DS ; Van der Merwe, J ; Potgieter, JH ; Potgieter-Vermaak, S ; Machio, Christopher N Date: Sep 2010 The effect of increasing vanadium carbide (VC) content on the corrosion behaviour of tungsten carbide – 10 wt% cobalt hard metals was investigated in 1 M hydrochloric (HCl), and sulphuric (H2SO4) acids solutions. Increasing VC content makes ... Read more
Distribution of nanoclay in a new TPV/nanoclay composite prepared through dynamic vulcanization

Author: Dutta, S ; Sengupta, S ; Chanda, J ; Das, A ; Wiessner, S ; Ray, Suprakas S ; Bandyopadhyay, A Date: Mar 2020 In this article distribution of nanoclay between the two phases of a new class of dynamically vulcanized TPV based on POE/EVA(Polyethylene octene elastomer/ethylene vinyl acetate copolymer) elastomers prepared with various amounts of organoclay ... Read more
Effect of C and milling parameters on the synthesis of WC powders by mechanical alloying

Author: Bolokang, S ; Banganayi, C ; Pasha, M Date: 2009 In the current study, the amount of carbon and the effects of milling parameters in production of tungsten-carbide (WC) powder were evaluated. Mechanical alloying (MA) of elemental W and C powders at different carbon-rich and carbon-deficient ... Read more
The effect of size-selective samplers (cyclones) on XRD response

Author: Pretorius, CJ Date: Jul 2011 The study evaluated five size-selective samplers used in the South African mining industry to determine how their performance affects the X-ray powder diffraction (XRD) response when respirable dust samples are analysed for quartz using ... Read more
Effect of thermal treatment on mechanically milled cobalt powder

Author: Bolokang, AS ; Phasha, MJ ; Camagu, ST ; Motaung, DE ; Bhero, S Date: Mar 2012 Stabilization of the metastable FCC phase has been achieved after 10 h milled Co powder sintering at 1400 °C. Phase identification of the Co powders was performed by the X-ray diffraction analysis, while the microstructural analyses were ... Read more
Evaluation of chitosan/sisal fiber/polyethylene membranes

Author: Agboola, O ; Fayomi, OSI ; Sadiku, ER ; Ayoola, A ; Mokrani, T ; Mbuli, BS ; Popoola, P ; Perry, Goitseona S Date: Jul 2020 Composites of ternary blend of chitosan/sisal fiber/high density polyethylene, were prepared by using the Rheomixer, followed by hot press, in order to form dense microfiltration membranes. The effective operation of the membranes was tested ... Read more
Facile synthesis of α-Fe2O3/WO3 composite with an enhanced photocatalytic and photo-electrochemical performance

Author: Senthil, RA ; Priya, A ; Theerthagiri, J ; Selvi, A ; Palaniyandy, Nithyadharseni ; Madhavan, J Date: Nov 2018 The influence of hematite iron oxide (α-Fe2O3) nanoparticles in tungsten oxide (WO3) nanorods photocatalyst on photodegradation of organic pollutant was investigated in the present work. The spherical-shaped α-Fe2O3 nanoparticles and WO3 ... Read more
Synthesis, characterization, and growth mechanism of α-Cr2O3 monodispersed particles

Author: Khamlich, S ; Manikandan, E ; Ngoma, BD ; Sithole, J ; Nemraoui, O ; Zorkani, I ; McCrindle, R ; Cingo, N ; Maaza, M Date: Jun 2011 Monodispersed spherical particles of chromium (III) oxide, α-Cr2O3, were successfully synthesized from a diluted solution of KCr(SO4)2·12H2O using the Aqueous Chemical Growth (ACG) technique. The spherical α-Cr2O3 particles obtained were ... Read more

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Browsing Journal Articles by Subject "XRD"

Browsing Journal Articles by Subject "XRD"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect