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Akademický článek

Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys

Autor: N. Malatji, T. Lengopeng, S. Pityana, A.P.I. Popoola

Publikováno v: Journal of Materials Research and Technology, Vol 11, Iss , Pp 1594-1603 (2021)

AlCrFeNiCuWx high entropy alloys were fabricated on 316 L stainless steel substrate using laser metal deposition technique. The microstructural and mechanical characteristics of these alloys were studied by advanced characterization techniques. The r

Externí odkaz: https://doaj.org/article/e3d2a37074f640d7bbbd948751350494

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Akademický článek

Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique

Autor: N. Malatji, A.P.I. Popoola, S. Pityana, T. Lengopeng

Publikováno v: Materials Research, Vol 24, Iss 5 (2021)

Abstract Ti10Fe5Si5Cr3Nb composite coatings were fabricated using laser cladding technique. Laser power was varied from 800W to 1200W while the scanning speed was kept constant at 1.5 m/min. The microstructural analysis of the samples was conducted b

Externí odkaz: https://doaj.org/article/95dccc30e12345798b7871afc4bf89b7

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Microstructural, mechanical and electrochemical properties of AlCrFeCuNiWx high entropy alloys

Autor: A. P. I. Popoola, N. Malatji, Sisa Pityana, T Lengopeng

Publikováno v: Journal of Materials Research and Technology, Vol 11, Iss, Pp 1594-1603 (2021)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a05d7fc78c4ba1d7816c00bc3039053
https://doi.org/10.1016/j.jmrt.2021.01.103

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Effect of heat treatment on the microstructure, microhardness, and wear characteristics of AlCrFeCuNi high-entropy alloy

Autor: N. Malatji, Api Popoola, Sisa Pityana, T Lengopeng

Publikováno v: The International Journal of Advanced Manufacturing Technology. 111:2021-2029

The comprehensive properties exhibited by dual-phase high-entropy alloys (HEA) increase their prospects of finding use in engineering applications. However, the distribution of the phases that are present in the alloys has a significant effect on the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac653a6004c189bd61f717db6c5685de
https://doi.org/10.1007/s00170-020-06220-x

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Effect of Nb addition on the microstructural, mechanical and electrochemical characteristics of AlCrFeNiCu high-entropy alloy

Autor: T Lengopeng, Sisa Pityana, Api Popoola, N. Malatji

Publikováno v: International Journal of Minerals, Metallurgy and Materials. 27:1332-1340

AlCrFeNiCuNbx (x = 0.05, 0.15, and 0.26) high-entropy alloys (HEAs) were successfully fabricated using the laser metal deposition technique. The laser power of 1600 W and scanning speed of 1.2 m/min were used during laser processing of the alloys. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2d92357afe88ece876c0c89d4c4d16e
https://doi.org/10.1007/s12613-020-2178-x

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Tribological and corrosion properties of laser additive manufactured AlCrFeNiCu high entropy alloy

Autor: T Lengopeng, Sisa Pityana, Api Popoola, N. Malatji

Publikováno v: Materials Today: Proceedings. 28:944-948

High entropy alloys (HEAs) are new class of materials with a high potential to find use in structural applications where high corrosion and wear resistance are required. Their high configurational entropy, sluggish diffusion, cocktail effect and abil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdb653e71aec550571deef60643b5170
https://doi.org/10.1016/j.matpr.2019.12.330

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Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique

Autor: Sisa Pityana, T Lengopeng, N. Malatji, A. P. I. Popoola

Publikováno v: Materials Research, Vol 24, Iss 5 (2021)
Materials Research, Volume: 24, Issue: 5, Article number: e20210080, Published: 13 SEP 2021
Materials Research v.24 n.5 2021
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL

Ti10Fe5Si5Cr3Nb composite coatings were fabricated using laser cladding technique. Laser power was varied from 800W to 1200W while the scanning speed was kept constant at 1.5 m/min. The microstructural analysis of the samples was conducted by using o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83ab2b293788ba42c3004741b7c88a6a
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000500228&tlng=en

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Process optimization of high entropy alloys by laser additive manufacturing

Autor: Sisa Pityana, T Lengopeng, Olufemi Aramide, Modupeola Dada, Samson Oluropo Adeosun, Ntombi Mathe, Patricia Popoola

Publikováno v: Engineering Reports, Vol 2, Iss 10, Pp n/a-n/a (2020)

Aerospace components and its coatings are required to possess excellent surface properties namely: fatigue, wear and corrosion resistance over a wide temperature range. Stainless steels, titanium, nickel superalloy and more recently high entropy allo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5c41643c4f4d4cee046753534438cbc
https://doi.org/10.1002/eng2.12252

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