Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Ntombi Mathe"'
Publikováno v:
Acta Polytechnica, Vol 62, Iss 6, Pp 639-653 (2022)
In evaluating emerging technology, such as additive manufacturing, it is important to analyse the impact of the manufacturing process on efficiency in an objective and quantifiable manner. This study deals with the design and simulation of a bearing
Externí odkaz:
https://doaj.org/article/48194fc6fe87438fa538e13f4a52dd94
Wear characteristics of laser-deposited AlCoCrCuFeNi high entropy alloy with finite element analysis
Publikováno v:
Beni-Suef University Journal of Basic and Applied Sciences, Vol 11, Iss 1, Pp 1-12 (2022)
Abstract Background Wear is a destructive phenomenon and one of the principal causes of material failure in moving components during surface interaction while in service. AlCoCrCuFeNi high-entropy alloy with its many properties is a potential materia
Externí odkaz:
https://doaj.org/article/7696c18b4c244c5e94e6a3103456675a
Autor:
Modupeola Dada, Patricia Popoola, Ntombi Mathe, Sisa Pityana, Samson Adeosun, Olufemi Aramide, Thabo Lengopeng
Publikováno v:
Engineering Reports, Vol 2, Iss 10, Pp n/a-n/a (2020)
Abstract Aerospace components and their coatings are required to possess excellent surface properties over a wide temperature range. Stainless steels, titanium, nickel superalloy, and more recently high entropy alloys (HEAs) have been used to improve
Externí odkaz:
https://doaj.org/article/b750e8d85e0c4a37ac50cf15f574677d
Autor:
Anton du Plessis, Philip Sperling, Andre Beerlink, Lerato Tshabalala, Shaik Hoosain, Ntombi Mathe, Stephan G. le Roux
Publikováno v:
MethodsX, Vol 5, Iss , Pp 1117-1123 (2018)
MicroCT is best known for its ability to detect and quantify porosity or defects, and to visualize its 3D distribution. However, it is also possible to obtain accurate volumetric measurements from parts – this can be used in combination with the pa
Externí odkaz:
https://doaj.org/article/732cc0aed44045a384a514f7b2d72127
Autor:
Anton du Plessis, Philip Sperling, Andre Beerlink, Lerato Tshabalala, Shaik Hoosain, Ntombi Mathe, Stephan G. le Roux
Publikováno v:
MethodsX, Vol 5, Iss , Pp 1102-1110 (2018)
MicroCT is a well-established technique that is used to analyze the interior of objects non-destructively, and it is especially useful for void or porosity analysis. Besides its widespread use, few standards exist and none for additive manufacturing
Externí odkaz:
https://doaj.org/article/d01c3550661b493fbddb2d3ffd497389
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 5, Iss 1, Pp 11-19 (2022)
In this study, we investigate the influence of in situ reactive synthesis of Ti6Al4V- AlCoCrFeNiCu high entropy alloys by laser metal deposition on the microstructural and mechanical properties of the as-built alloy as opposed to the traditional meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07306d924927ecb6846cb16fb3c9266c
https://doi.org/10.1016/j.ijlmm.2021.09.002
https://doi.org/10.1016/j.ijlmm.2021.09.002
Electrical resistivity and oxidation behavior of Cu and Ti doped laser deposited high entropy alloys
Publikováno v:
World Journal of Engineering.
Purpose In this study, AlCoCrFeNi–Cu (Cu-based) and AlCoCrFeNi–Ti (Ti-based) high entropy alloys (HEAs) were fabricated using a direct blown powder technique via laser additive manufacturing on an A301 steel baseplate for aerospace applications.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::261387cd2a04a31aa0cc9e27ff9571ab
https://doi.org/10.1108/wje-09-2021-0523
https://doi.org/10.1108/wje-09-2021-0523
Publikováno v:
World Journal of Engineering. 20:43-74
Purpose This study aims to review the recent advancements in high entropy alloys (HEAs) called high entropy materials, including high entropy superalloys which are current potential alternatives to nickel superalloys for gas turbine applications. Und
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63d17133c10104c023ab400844033559
https://doi.org/10.1108/wje-01-2021-0040
https://doi.org/10.1108/wje-01-2021-0040
Autor:
Khumbulani Mpofu, Samuel Fatoba, Shaik E Hoosain, Ilesanmi Daniyan, Moses Oyesola, Ntombi Mathe
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 114:1585-1599
The purpose of this study is to study the influence of the laser power and the scanning speed on the surface hardness, and top surface and side surface roughness of Ti6Al4V metal specimens fabricated via the selective laser melting (SLM) technique. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e77422ddf3f44462a6aeb9a692136758
https://doi.org/10.1007/s00170-021-06953-3
https://doi.org/10.1007/s00170-021-06953-3
Publikováno v:
Procedia Manufacturing. 49:199-205
The drive for a more flexible Through-life Engineering servicing technology that can enhance both productivity and profitability for the operation of maintenance, repair, overhaul (MRO) in the aerospace implores harnessing the innovation of hybrid-ad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d4d760ba0314837c72d269a3b4eec1e
https://doi.org/10.1016/j.promfg.2020.07.019
https://doi.org/10.1016/j.promfg.2020.07.019