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
Author:Mathe, Ntombizodwa R; Nkosi, SS; Motaung, DE; Scriba, Manfred R; Coville, NJDate:May 2015The electronic, magnetic and electrocatalytic properties of bimetallic thiol-capped Pt/Co and Pt/Ni nanoparticles were synthesised using two reducing agents, NaBH(sub4) and N(sub2)H(sub4). X-ray diffraction analysis of the nanoparticles showed ...Read more
Author:Steenkamp, Anton J; Berman, Robert B; Kemp, Lana; De Saxe, Christopher CDate:Jul 2019The paved road network is a critical asset to any economy. South Africa has a paved road network that has an estimated value in excess of R2 trillion. This asset is however under threat as there was a backlog in maintenance of more than R197 ...Read more
Author:Steyn, WJvdM; Haw, MDate:Jul 2005Road engineers usually maintain roads with the objective of supplying a road surface with a certain serviceability standard. This serviceability standard typically include aspects such as the allowable rutting, skid resistance and riding ...Read more
Author:Mvelase, Gculisile M; Anochie-Boateng, Joseph; Msibi, LLDate:Jul 2016The railway industry in South Africa is facing a problem where passage of trains on the heavy coal haul lines are causing degradation by means of wear (roundness) of ballast materials, and consequently, leading to differential track settlement ...Read more
Author:Anochie-Boateng, Joseph; Komba, Julius J; Ventura, D; Verhaeghe, Benoit MJADate:Sep 2011This study emanated from the revision of South African mechanistic-empirical pavement design method. At the CSIR road pavement laboratory, the bulk relative density (BRD) of compacted hot-mix asphalt (HMA) mixes is determined on cores and ...Read more
Author:Louw, Daniel F; Pistorius, PGHDate:Apr 2019Ti-6Al-(sub4)V produced by laser powder bed fusion can achieve mechanical properties similar to its wrought counterpart if an appropriate post-process heat treatment is applied. The response of the material to post-process heat treatment ...Read more
Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:2016In laser metal deposition (LMD), good bonding between two similar or dissimilar materials can be achieved if the interrelationships between the processing parameters are well understood. LMD was conducted by varying the scanning speed and ...Read more
Author:Bayode, A; Akinlabi, ET; Pityana, Sisa L; Shongwe, MBDate:Feb 2017Laser metal deposition (LMD) is one of the additive manufacturing technologies that is used in the production of fully dense parts layer by layer. This innovative manufacturing process has the potential to reduce the weight, time and cost of ...Read more
Author:Mfusi, BJ; Tshabalala, Lerato C; Popoola, API; Mathe, Ntombizodwa RDate:Oct 2018Additive manufacturing is currently applied across a broad material selection and it is growing in production volume and economic impact. Aluminium is one of the materials that play a significant role in the aerospace industry because of its ...Read more