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Browsing by Author "Chikosha, Silethelwe"

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Determination of residual stresses in roll compacted titanium strips

Author: Mothosi, KL ; Chikosha, Silethelwe ; Madyira, DM ; Chikwanda, Hilda K Date: Jan 2017 Manufacturing 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
The effect of specimen geometry on tensile properties of titanium alloy metal sheet

Author: Masete, Mosimanegape S ; Muchavi, Noluntu S ; Chikosha, Silethelwe Date: Dec 2018 Determination of tensile properties of materials is required to reliably predict performance of engineering materials in service and for design purposes. Tensile properties are also used as a measure of product quality. Various testing standards ... Read more
Evaluating densification of blended elemental (BE) TiPt through pressureless sintering

Author: Gxowa, Zizo ; Chikosha, Silethelwe ; Chikwanda, Hlda K Date: Oct 2017 This work evaluates the densification of blended elemental (BE) Ti-50at%Pt through pressureless sintering. Read more
Evaluating densification of blended elemental (BE) TiPt through pressureless sintering

Author: Gxowa, Zizo ; Chikosha, Silethelwe ; Chikwanda, Hilda K Date: Oct 2017 This work evaluates the densification of blended elemental (BE) Ti-50at%Pt through pressureless sintering. Read more
Machine learning-based prediction of phases in high-entropy alloys: A data article

Author: Machaka, Ronald ; Motsi, Glenda T ; Raganya, Mampai L ; Radingoana, Precious M ; Chikosha, Silethelwe Date: Oct 2021 A systematic framework for choosing the most determinant combination of predictor features and solving the multiclass phase classification problem associated with high-entropy alloy (HEA) was recently proposed [1]. The data associated with ... Read more c b n d
Shape memory properties and transformation temperature of Ti50-XVXPt50 alloy

Author: Daswa, Pfarelo ; Chikosha, Silethelwe ; Siyasiya, CW Date: Jun 2021 Improvement of functional properties of binary TiPt shape memory alloy by adding a third element to partially substitute for Ti, has to date resulted in a decreased martensitic transformation temperature. In this study, the effect of substituting ... Read more
Sintering high green density direct powder rolled titanium strips, in argon atmosphere

Author: Govender, A ; Bemont, C ; Chikosha, Silethelwe Date: Jun 2021 Presently, the majority of titanium powder metallurgy components produced are sintered under high vacuum due to the associated benefits of the vacuum atmosphere. However, high-vacuum sintering is a batch process, which limits daily production. ... Read more
Spheroidisation of stainless steel powder for additive manufacturing

Author: Chikosha, Silethelwe ; Tshabalala, Lerato C ; Bissett, H ; Lesufi, M ; Mnguni, Khulekani N ; Motsai, Tebogo M ; Manama, T ; Hoosain, S Date: Jun 2021 In additive manufacturing, powder characteristics play an important role in terms of flowability and densification, which can be improved by the use of spherical powders. In this study, irregular powder was spheroidised by plasma treatment, ... Read more
X-ray computed microtomography studies of MIM and DPR parts

Author: Muchavi, Noluntu S ; Bam, L ; De Beer, FC ; Chikosha, Silethelwe ; Machaka, Ronald Date: Oct 2016 Parts manufactured through power metallurgy (PM) typically contain pores that can be detrimental to the final mechanical properties. This paper explores the merits of 3D X-ray computed tomography over traditional microscopy for the characterization ... Read more

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Browsing by Author "Chikosha, Silethelwe"

Browsing by Author "Chikosha, Silethelwe"

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All of ResearchSpace

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