Author:Madzivhandila, Thingahangwi; Maledi, N; Fazluddin, ShahedDate:Apr 2020Working in the metal powder production environment may result in a high level of particulate matter, which might pose a health threat. The main objective of this study is to determine the amount and type of the particles that might be emitted ...Read more
Author:Mtibe, Asanda; Mokhothu, Thabang H; John, Maya J; Mokhena, Teboho C; Mochane, MJDate:Aug 2018In recent years, there has been growing demand of utilizing nanomaterials to develop new sustainable products. Nanomaterials offer unique extraordinary properties such as high surface area, eco-friendliness and good mechanical and physical ...Read more
Author:Bolokang, Amogelang S; Motaung, David EDate:Apr 2017We report on the synthesis of a mixture of vanadium (V), tungsten (W), titanium (Ti) and carbon (C) mixture using ball milling in argon atmosphere. Thermal analysis of the milled powder showed an exothermic reaction at approximately 700°C in ...Read more
Author:Dludlu, MK; Oboirien, Bilainu; Sadiku, RDate:2017In this study, coal fly ashes (CFAs) from three different boiler sites in South Africa, Eskom (E coal fly ash), George Mukhari Academic Hospital (GMH coal fly ash), and KarboChem (KBC coal fly ash), were used to produce geopolymers. The coal ...Read more
Author:Egambaram, Oriela P; Kesavan Pillai, Sreejarani; Lategan, M; Ray, Suprakas SDate:Mar 2019The harmful effects of long-term UV exposure on human skin are increasingly understood these days, and therefore, the use of topical sunscreen products containing UV filters has significantly increased. Although the currently used organic and ...Read more
Author:Mosangi, Damodar; Kesavan Pillai, Sreejarani; Moyo, Lumbidzani; Ray, Suprakas SDate:Sep 2018The effectiveness of stearic acid modified layered double hydroxides (OLDH) as viscosity modifier and stabilizer in petroleum jelly (PJ) formulations has been studied and its rheological properties evaluated. Mg-Al-LDH was organically modified ...Read more
Author:Camagu, Sigqibo T; Bolokang, Amogelang S; Muller, TFG; Motaung, David E; Arendse, CJDate:Jun 2019Mechanism for the formation of titanium oxynitride (TiO(sub2)-(subx)N(subx)) on the surfaces of spherical Ti powder particles upon heat treatment in air at 500, 600, 700 and 800 °C was investigated. The results showed that the first at 500 ...Read more