Author:Masete, Mosimanegape S; Mutombo, K; Siyasiya, C; Stumpf, WDate:Jul 2015The effects of ageing temperature, time and cooling medium on the microstructure and hardness of a solution treated Ti6Al4V alloy were investigated. The furnace cooling after ageing for 0.5 hours gave a homogenous structure with higher hardness ...Read more
Author:Menya, E; Olupot, PW; Storz, H; Lubwama, M; Kiros, Y; Mathew, Maya JDate:2020Thermal behavior and chemical properties of selected raw and NaOH-pretreated rice husk varieties were investigated. NaOH-pretreatment process involved soaking 5 g rice husk samples in 40 mL of 2%w/v NaOH, shaking (400 rpm) and heating (50 °C) ...Read more
Author:Teffo, ML; Nyakane, NE; Seerane, M; Shongwe, MB; Machaka, RolandDate:Feb 2021The allotropic behavior of titanium is affected by many factors such as processing temperature and alloying elements. Using processing method with parameters that enhaces properties of the resulting alloy is imperative. In this study, CP-Ti, ...Read more
Author:John, Maya J; Tlili, R; Anandjiwala, RD; Boudenne, A; Ibos, LDate:Mar 2012The study on heat transport in composites is of fundamental importance in engineering design and for tailoring thermal and mechanical behaviour of materials. In this study, the thermal conductivity and thermal diffusivity of flax reinforced ...Read more
Author:Nicolaides, K; Nortman, LP; Tapson, JDate:Jan 2009Increasing operating depths of autonomous underwater vehicles have necessitated the development of underwater transducers that can operate at a greater depth. This paper investigates the possibility of incorporating rigid backing material ...Read more
Author:Ogunniran, ES; Sadiku, R; Ray, Suprakas S; Luruli, NDate:Aug 2011A composite of boehmite alumina nanoparticles and a PP/PA12 blend is prepared. WAXD and SEM suggest that a low filler loading enhances the coalescence of PA12, whereas a higher loading reverses the situation. DSC, DMA and TGA reveal that the ...Read more
Author:Bolokang, S; Banganayi, C; Pasha, MDate:2009In 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
Author:Munyati, C; Economon, EB; Malahlela, OEDate:Jul 2013The proliferation of woody plant species on savanna rangelands (i.e. bush encroachment) degrades rangeland quality, thereby threatening the biodiversity conservation effort as well as pastoral farming. Hyperspectral remote sensing offers ...Read more
Author:Nyembe, DW; Musee, N; Mamba, BB; Mamba, VDate:Aug 2013Algae (Pseudokirchnierella subcapitata) were exposed to pristine (p-) and oxidised (o-) forms of carbon nanospheres (CNSs) at concentrations of 0.1, 0.18, 0.32, 0.46 and 20 mg/L. At each concentration, the CNSs were sonicated for 1-h in three ...Read more
Author:Galuszynski, SDate:Jul 1984A new method, allowing to stimulate the yarn assembly in a woven fabric for measuring yarn to yarn frictional force, is described.Read more
Author:Savage, WHDDate:1969No corresponding determination were made on the same samples at the two temperatures, so that no valid comparison can be made.Read more
Author:Jacob John, Maya; Francis, B; Varughese, KT; Thomas, SDate:Feb 2008The effects of chemical modification of fiber surface in sisal–oil palm reinforced natural rubber green composites have been studied. Composites were prepared using fibers treated with varying concentrations of sodium hydroxide solution and ...Read more
Author:Naidu, Darrel S; Mathew, Maya JDate:Oct 2020In this study, xylan–alginate-based films were reinforced with nanoclays (bentonite or halloysite) by the solvent casting technique. The effect of the nanoclay loadings (1–5 wt %) on various properties—mechanical, optical, thermal, solubility, ...Read more
Author:Maswanganye, MW; Rammutla, KE; Mosuanga, TE; Mwakikunga, Bonex WDate:Aug 2017Variably doped ZnO samples by the sol-gel process have been tested for response to humidity and industrial gases of CO, CH(sub4), NH(sub3) and H9sub2). The elements of Cobalt (Co) and Indium (In) either singly doped or co-doped at 5 wt% and ...Read more
Author:Duncker, Louiza CDate:Aug 2017In the face of rapid urbanisation and population growth, water in urban areas is becoming more and more polluted by human activities. One of the main sources of pollution is the wash-off from areas with inadequate sanitation and open defecation ...Read more
Author:Mogale, N; Matizamhuka, W; Machaka, Ronald; Shongwe, M; Yamabe-Mitarai, Y YDate:Jan 2021Ternary Ti-47.5Al-(1–3)Cr (at. %) and reference quaternary Ti-48Al-2Cr-2Nb (at. %) titanium aluminide alloys were processed from elemental powders utilizing mechanical milling, mechanical alloying and spark plasma sintering. The effect of Cr ...Read more
Author:Fernandes, PJL; Jones, DRHDate:Sep 1996This article discusses the effects of crack blunting in liquid metal environments on K-IEAC due to the rising load test. There are two techniques frequently employed in the determination of K-IEAC, namely the constant load and constant ...Read more
Author:Malika, Khodja; Hamida, F; Wahid, O; Rossouw, Pierre; Corderley, GaryDate:Jul 2017Composite materials are becoming more important in the construction of aerospace structures. Bonded joints fulfil a significant role in the development of new technologies, particularly in the aerospace industry where they give new possibilities ...Read more
Author:Mutanga, MB; Mudali, P; Chani, T; Mhlanga, Martin M; Adigun, MODate:Sep 2011Lack of manual management mechanisms in wireless ad-hoc networks means that automatic configuration of IP addresses and other related network parameters are very crucial. Many IP address autoconfiguration mechanisms have been proposed in ...Read more