Author:Bolokang, Amogelang SDate:Feb 2019Foundry slag formed during the production of medium carbon steel was milled into powder which was then compacted into blocks to form heat treatment furnace refractory materials. The foundry slag was ball-milled into powders which were further ...Read more
Author:Mothosi, KL; Chikosha, Silethelwe; Madyira, DM; Chikwanda, Hilda KDate:Jan 2017Manufacturing processes typically produce residual stresses. The residual stresses can be advantageous when they are compressive and detrimental when tensile. In roll compaction of metal powder, similarly to rolling solid metals, substantial ...Read more
Author:Komba, Julius J; Maina, JM; Horak, E; Steyn, WJ; O’Connell, Johannes SDate:Oct 2019The research work presented in this paper investigated the spatial distribution of air voids in compacted Hot-Mix Asphalt (HMA) core samples under different compaction levels and layer/briquette thicknesses. A medium-graded HMA mix was used ...Read more
Author:Sivakumar, V; Vishnu Prasanth, P; Kishore, P; Bencherif, H; Keckhut, PDate:2011For the first time, climatology of the middle atmosphere thermal structure is presented, based on 14 years of LIDAR and satellite (HALOE, SABER, CHAMP and COSMIC) temperature measurements. The data is collected over a southern sub-tropical ...Read more