Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:2016Ti6Al4V alloy is a well-known material for biomedical application due to the very excellent corrosion resistance it possessed. Cu has an excellent antimicrobial property and stabilizes the immune system of the body activities. In this present ...Read more
Author:Bayode, A; Akinlabi, ET; Pityana, Sisa LDate:Jun 2016Laser metal deposition (LMD) is an innovative manufacturing technique that uses laser to melt powders to fabricate fully dense components layer by layer. It is capable of processing different metallic powders and can also be used for consolidating ...Read more
Author:Masete, Mosimanegape S; Mutombo, K; Siyasiya, C; Stumpf, WDate:Jul 2015The effects of ageing temperature, time and cooling medium on the microstructure and hardness of a solution treated Ti6Al4V alloy were investigated. The furnace cooling after ageing for 0.5 hours gave a homogenous structure with higher hardness ...Read more
Author:Phala, MF; Popoola, API; Tlotleng, Monnamme; Pityana, Sisa LDate:2018A binary Ti-Si (1 : 1) alloy coating was fabricated on Ti-6Al-4V alloy using laser cladding technique where Neodymium yttrium aluminium garnet laser was utilised. Micro-atomised powders of Ti and Si were used for deposition of multi-track ...Read more
Author:Arthur, Nana KK; Kubjane, SM; Popoola, API; Masina, Bathusile N; Pityana, Sisa LDate:May 2023Titanium alloys are prone to increased oxidation rates when exposed to higher temperatures during application. As a result, the components suffer mechanical failure due to the formation of the alpha-case layer at 500 °C. To improve its corrosion ...Read more
Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:May 2016This paper reports the effect of powder density variation on the premixed Ti-6Al-4V/Cu and Ti-6A-4V/2Cu Composites. Two sets of experiment were conducted in this study. Five deposits each were made for the two premixed composites. Laser powers ...Read more
Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:2016In laser metal deposition (LMD), good bonding between two similar or dissimilar materials can be achieved if the interrelationships between the processing parameters are well understood. LMD was conducted by varying the scanning speed and ...Read more
Author:Bayode, A; Akinlabi, ET; Pityana, Sisa L; Shongwe, MBDate:Feb 2017Laser metal deposition (LMD) is one of the additive manufacturing technologies that is used in the production of fully dense parts layer by layer. This innovative manufacturing process has the potential to reduce the weight, time and cost of ...Read more
Author:Tlotleng, MonnammeDate:May 2019Producing alloys via in-situ laser alloying approach is becoming very easy and a topical issue in the field of laser additive manufacturing. Several studies have emerged, accompanied by a statement by Gasper et al. (2017), who reported the ...Read more
Author:Tlotleng, Monnamme; Lengopeng, Thabo; Seerane, Mandy N; Pityana, Sisa LDate:Oct 2017Ti and its intermetallic alloys are light-weight and have good creep properties. Materials of this nature are desired for the manufacturing of parts for the aerospace, automotive and power plants. Titanium aluminides, in particular, are ...Read more
Author:Mathebula, TE; Tlotleng, Monnamme; Malabi, Khorommbi P; Pityana, Sisa L; Camagu, SDate:Nov 2014Automotive, marine, power generation, petrochemical and mining industries experience problems which results in huge financial constraints due to damage of the engineering components. Sometimes the components are exposed to aggressive, corrosive, ...Read more
Author:Tlotleng, Monnamme; Lengopeng, T; Pityana, Sisa LDate:Oct 2016Titanium aluminide intermetallics are very brittle at room temperature, hence they are challenging to fabricate even by conventional manufacturing techniques such as casting and forging. The production of TiAl from elemental powders using ...Read more
Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:2016This paper presents the explorations conducted on the evolving microstructures and the dry sliding wear of the laser deposited Ti6Al4V/Cu composites. The laser powers between 1300 W and 1600 W; scanning speeds between 0.30 and 0.72 m/min were ...Read more
Author:Bayode, A; Akinlabi, ET; Pityana, Sisa LDate:Apr 2018Recent advancement in materials processing has resulted in the evolution of advance composite known as Functionally Graded Materials (FGMs). FGMs are multi-layered structures with composition and/or microstructure that vary spatially across ...Read more
Author:Pityana, Sisa L; Mahamood, RM; Akinlabi, ET; Shukla, MDate:Mar 2013Tracks of Ti6Al4V powder were deposited on Ti6Al4V substrate using Laser Metal Deposition (LMD) process, an Additive Manufacturing (AM) manufacturing technology, at a laser power and scanning speed maintained at 1.8 kW and 0.005 m/s respectively. ...Read more
Author:Bolokang, Amogelang S; Mathabathe, Maria N; Motaung, DE; Arendse, CJ; Swart, HCDate:Mar 2023We report on the microstructures and properties of Ti6Al4V alloys, which were achieved upon quenching in sea water medium with potential high cooling rate. The Ti6Al4V alloys were quenched at 1000 and 1100 °C, respectively. Moreover, the ...Read more
Author:Mathoho, I; Akinlabi, ET; Arthur, Nana KK; Tlotleng, MonnammeDate:Aug 2020This study investigated the influence direct energy deposition (DED) process parameters have on the metallurgical characteristics (porosity, microstructural evolution, microhardness, and corrosion behavior) of 17−4 PH stainless steel powder. ...Read more
Author:Popoola, API; Phume, L; Pityana, Sisa L; Aigbodion, VSDate:Jan 2016Ti6Al4V alloy has been widely used for medical implants due to good mechanical properties. For permanent implant applications Ti6Al4V alloy has shown to have low corrosion and wear resistance. Based on these the development of in-situ Ti6Al4V–TiB ...Read more