Author:Bolokang, Amogelang S; Mathabathe, Maria NDate:Apr 2021The shroud shelve life of turbine blades depends on wear resistance. Thus, the wear of blade shroud shelves’ contact area ascertains the overall service life of gas turbine engines (GTE). Moreover, research shows that the life service of ...Read more
Author:Machaka, RonaldDate:Feb 2021“The answer to the question “why HEAs exhibit such exceptional properties” lies in their phases” [1]. The implementation of machine learning (ML) approaches for the classification of solid solution high-entropy alloy (HEA) phases is, therefore, ...Read more
Author:Moshokoa, Nthabiseng; Raganya, Mampai L; Obadele, BA; Machaka, Ronald; Makhatha, MEDate:Oct 2020β-type titanium alloys are acquiring research interest in orthopaedic applications because of their exceptional properties such as moderate strength, good biocompatibility and corrosion resistance, high ductility and low elastic modulus. The ...Read more
Author:Okoro, OM; Machaka, Ronald; Lephuthing, SS; Awotunde, MA; Olubambi, PADate:Nov 2021In this study, the role of multiwall carbon nanotubes (MWCNT) on the microstructural evolution and mechanical properties of Ti6Al4V-based composites was investigated. This was conducted by dispersing different concentrations (0.5, 1.0 and 1.5 ...Read more
Author:Moshokoa, Nthabiseng A; Raganya, Mampai L; Machaka, Ronald; Obadele, BA; Mamookho, MEDate:Nov 2022The current study investigates the influence Mo on the microstructure and bending properties of solution treated Ti-xMo alloys (x= 10.00, 12.89, and 15.05 wt%). The fundamental objective of the study is to attain the correlation between the ...Read more
Author:Raganya, Mampai L; Moshokoa, Nthabiseng A; Obadele, B; Makhatha, E; Machaka, RonaldDate:Jun 2021The aim of this study is to investigate the effect of niobium on the microstructure and mechanical properties of Ti-Mo-Nb alloys, which include Ti-11.1Mo-10.8Nb (TMN1), Ti-10.2Mo-19.5Nb (TMN2), and Ti-9.2Mo-26.7Nb (TMN3) alloys designed using ...Read more
Author:Raganya, Mampai L; Moshokoa, Thabiseng; Machaka, Ronald; Obadele, B; Makhatha, MDate:Dec 2022Current research is focused on development of ß-type titanium alloys for biomedical applications as substitutes of the undesirable Ti6Al4V alloy. Ti6Al4V alloy has a higher elastic modulus (110 GPa) than that of the human bone (10-30 GPa) and ...Read more
Author:Ellard, John JM; Mathabathe, Maria N; Siyasiya, CW; Bolokang, Amogelang SDate:Nov 2022In the quest for cost-effective fabrication processes capable of producing sound γ-TiAl products, the microstructure and mechanical properties of a modified second-generation hot-rolled γ-TiAl-based alloy with nominal composition Ti-48Al-2N ...Read more
Author:Tshwane, David M; Modiba, RosinahDate:Jul 2022TiAlV intermetallic alloys are used as key functional materials in various industries due to their superior properties. However, our understanding of their structural phase stabilities is still limited and remains confined. In this work density ...Read more
Author:Raganya, Mampai L; Moshokoa, Nthabiseng; Obadele, BA; Machaka, Ronald; Olubambi, PADate:2020Ti-based alloys particularly metastable ß-type Ti alloys have been attracting an increasing attention as crucial biomedical materials in the past few decades due to their moderate strength, good corrosion resistance, good biocompatibility, ...Read more
Author:Tshwane, David M; Modiba, RosinahDate:Nov 2022Ti2AlV alloys are commonly employed as structural materials in electronics, metallurgy, and other industries because of their outstanding properties. Knowledge about their surface properties is lacking and limited at the atomic level. In this ...Read more
Author:Madigoe, Mandy N; Modiba, Rosinah; Cornish, LADate:Dec 2021High alloyed ß-phase stabilised titanium alloys are known to have low elastic moduli comparable to that of the human bone (˜30 GPa). The ß-phase in titanium alloys exhibits an elastic modulus of about 60-80 GPa, which is nearly half that of ...Read more