Author:Bandyopadhyay, J; Ray, SS; Bousmina, MDate:Aug 2007The preparation and thermal and thermo-mechanical properties of nanocomposites based on liquid-crystalline polymers (LCP) and organically-modified layered silicate (OMLS) is described. From XRD patterns, very little smectic ordering is present ...Read more
Author:Mohlala, M; Modibedi, Remegia M; Mathe, Mahlanyane KDate:Nov 2007In polymer electrolyte membrane fuel cell (PEMFC), platinum is recognized to be the most active metal for methanol oxidation, however there is a strong CO adsorption tendency, which blocks the surface for further methanol adsorption and leads ...Read more
Author:Mutombo, K; Rossouw, PDate:Oct 2011Ti6Al4V alloy interacted with yttria fully stabilized zirconia face-coat to generate the alpha-case layer during the investment casting. The alpha-case mainly contained Al2O3, TiO2, TiO0.48, VO2, ZrO2 and Ti2ZrAl as revealed by the Energy ...Read more
Author:Adedeji, KB; Hamam, Y; Abe, BT; Abu-Mahfouz, Adnan MIDate:Jul 2018The battle of background leakage estimate (BLE) in water supply networks has been the subject of discussion in the last years. This paper aims to investigate the effect of pipe materials with particular reference to their impact on the BLE ...Read more
Author:De Beer, Morris; Horak, EDate:1987Most of the structural failures in road pavements are in one way or another associated with excess water trapped within the pavement structure owing to poor drainage. The combined effect of traffic loading and trapped water within the pavement ...Read more
Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:May 2016This paper reports the effect of powder density variation on the premixed Ti-6Al-4V/Cu and Ti-6A-4V/2Cu Composites. Two sets of experiment were conducted in this study. Five deposits each were made for the two premixed composites. Laser powers ...Read more
Author:Aramide, B; Sadiku, R; Popoola, P; Pityana, Sisa L; Jamiru, TDate:Feb 2022Steel utilized in mining and tillage devices is highly susceptible to wear and corrosion attacks due to its poor tribological property when presented to unfavorable working conditions common to mining and tillage activities. This leads to an ...Read more
Author:Akhter, R; Ivanchev, L; Burger, HPDate:Feb 2007Aluminium alloy A356 was treated by the Rheo semi solid metal (SSM) process, developed recently by CSIR-Pretoria, and cast in plates using a high pressure die casting (HPDC) machine. Plates in as cast condition (F) and heat treated T6 condition ...Read more
Author:Moloto, N; Revaprasadu, N; Musetha, PL; Moloto, MJDate:2008A novel ligand to the synthesis of nanoparticles has been employed in this study. A Tetramethylthiuram disulphide cadmium complex (abundant in sulphur atoms) was used as a single-source precursor for the synthesis of CdS nanoparticles. The ...Read more
Author:Muller, EFEDate:1963The aim of this investigation is to examine at least two other coking coals which, however, differ appreciably in their coking properties as determined in the laboratory.Read more
Author:Phasha, MJ; Kasonde, M; Ngoepe, PEDate:Nov 2008The CSIR is exploring options of mixing titanuim with lighter metal elements such as magnesium and aluminium to help decrease energy consumption. Titanium and its alloys are very important materials from both technological and scientific point ...Read more
Author:Machio, Christopher N; Chikwanda, HK; Chikosha, SDate:Oct 2010This article reports results of a study to determine the effect of process control agent (PCA) on the characteristics of Ti-Mg powders during milling. It has been shown that a 2% increase in PCA content leads to up to a 40% increase in yield ...Read more
Author:Machio, Christopher N; Chikwanda, HK; Chikosha, SDate:Mar 2011This paper reports the results of a study to determine the effect of process control agent (PCA) on the characteristics of Ti-Mg powders during milling. It has been shown that a 2% increase in PCA content leads to up to a 40% increase in yield ...Read more
Author:Debnath, S; Pillay, K; Ghosh, UC; Maity, ArjunDate:2014Removal performances of Cd(II) and Cu(II) from water was investigated using agglomerated nanoparticle of hydrous titanium(IV) oxide (NTO) packed fixed bed. The parameters varied were the bed depth, flow rate and feed solution concentrations. ...Read more
Author:Reddy, J; Erasmus, C; Mlotshwa, L; Taylor, J; Dlamini, Nomusa RDate:01 Sep 2010Sorghum, a staple food in Africa, does not contain adequate amounts of provitamin A carotenoids to address the problem of vitamin A deficiency which affects up to 31 million people on the continent1. One attempt to solve this problem is through ...Read more
Author:Mokotedi, O; Watt, P; Pammenter, NDate:Nov 2011The purpose of this study was to deepen our understanding of the field performance of micro- and macro-propagated Eucalyptus grandis x nitens (GN), in comparison with seed-propagated E. grandis and E. nitens. The emphasis was on the relationship ...Read more