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Comparison of the mechanically alloyed (V,W)C and (V,W)C-co powders

Author: Bolokang, AS Date: 2008 Milling was carried out in flowing argon but was interrupted at regular time intervals to take samples for Xray diffraction (XRD). Because of exposure to air during the interruptions the powder was partly oxidized. The oxides formed did not ... Read more
Influence of citric acid on SnO2 nanoparticles synthesized by wet chemical processes

Author: Sikhwivhilu, LM ; Kesavan Pillai, Sreejarani ; Hillie TK Date: Oct 2010 Tin oxide (SnO2) nanoparticles with size range of 19 to 100 nm were successfully synthesized using wet chemical process (i.e. chemical precipitation and sol-gel processes). The results showed that variation of citric acid concentration directly ... Read more
Influence of SN on the microstructure and mechanical properties of TI-MO-NB alloys for orthopaedic applications

Author: Muchavi, Noluntu S ; Raganya, Mampai L ; Machaka, R ; Motsi, Glenda T ; Makhatha, E Date: Nov 2022 Metastable ß-Ti alloys intended for orthopaedic implants typically possess undesirable a', a", precipitates, which increase the elastic modulus. Non-toxic Sn was reported as an effective suppressor of a', a" and precipitates. Furthermore, ... Read more
Investigation of the properties of direct energy deposition additive manufactured 304 stainless steel

Author: Hoosain, SE ; Tshabalala, Lerato C ; Skhosana, Besabakhe S ; Freemantle, C ; Mndebele, N Date: Nov 2021 One of the main considerations in adopting the additive manufacturing (AM) technology is whether the material properties of the AM-produced part are comparable with the wrought material. This study compared the properties of AM-produced 304 ... Read more
Phase transformation cycle β→ α′ + α + α"→ β in Ti6Al4V alloy

Author: Mutombo, K ; Siyasiya, C ; Stumpf, W Date: Jul 2015 The ß-phase transforms to a', a and a" within a range of temperature from the ß-transus (Tß) to about 600oC, considering no external stress is applied. Two types of microstructure were obtained: acicular martensite when rapidly cooled and ... Read more

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Browsing by Subject "XRD analysis"

Browsing by Subject "XRD analysis"

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