ResearchSpace
→
Research Publications/Outputs
→
Conference Publications
→
Browsing Conference Publications by Impact Area

Browsing Conference Publications by Impact Area "Laser Enabled Manufacturing"

Now showing items 1-20 of 25

Next Page

Effect of heat treatment temperature on the microstructure and microhardness of TiC/Ti6Al4V composite manufactured with laser metal deposition

Author: Kgoahla, Reneilwe M ; Lekoadi, Paul M ; Masina, Bathusile N Date: Nov 2023 This study presented the investigation of the influence of post heat treatment temperature on the microstructure and hardness of TiC/Ti6Al4V composite manufactured with laser metal deposition. Heat treatment was performed to improve the ... Read more
Effect of LSP parameters on the corrosion and hardness properties of TI6Al4V

Author: Kubjane, SM ; Arthur, Nana KK ; Masina, Bathusile N ; Popoola, API ; Pityana, Sisa L Date: Sep 2019 Because of its low density, high corrosion resistance and high strength to weight ratio, titanium and its alloys are widely used in aerospace applications. As a result, the material is exposed to detrimental environment. An enhancement in ... Read more
Effects of energy density on the microstructure evolution of TiC/Ti6Al4V-ELI metal composite fabricated with laser metal deposition

Author: Ramasobane, P ; Mashinini, MP ; Masina, Bathusile N Date: Nov 2022 This study investigated the microstructural evolution of Ti6Al4V-ELI reinforced with TiC, fabricated via in-situ laser metal deposition technique. The 3.85% volume fraction TiC/Ti6Al4V-ELI metal composite samples were fabricated at two different ... Read more
Effects of laser shock peening on the mechanisms of fatigue short crack initiation and propagation of AA7075-T651

Author: Sanchez, AG ; You, C ; Leering, M ; Glaser, Daniel ; Furfari, D ; Fitzpatrick, ME ; Wharton, J ; Reed, PAS Date: Nov 2020 A laser shock peening (LSP) treatment was performed on AA7075-T651 for maximum fatigue improvement. Surface and microstructural characterisation techniques (micro-hardness, SEM-EBSD, contact-profilometry) showed LSP surface modification was ... Read more
Electrical resistivity and oxidation behavior of Cu and Ti doped laser deposited high entropy alloys

Author: Dada, M ; Popoola, P ; Mathe, Ntombizodwa R ; Pityana, Sisa L ; Adeosun, S Date: Sep 2022 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. The ... Read more
Framework for cemented tungsten carbide drill bit prototype fabrication using laser engineered net shaping

Author: Davoren, B ; Sacks, N ; Theron, Maritha Date: Nov 2021 The interest in additive manufacturing and its unique applications has increased significantly over recent years. This has resulted in the need for alloys and composites to be optimized for these processes. In this study a multiphase parameter ... Read more
Hybrid optimisation studies on the microstructural properties and wear resistance of maraging steel 1.2709 parts produced

Author: Maodzeka, DK ; Olakanmi, EO ; Mosalagae, M ; Hagedorn-Hansen, D ; Pityana, Sisa L Date: Aug 2022 Improper selection of laser powder bed fusion (LPBF) process parameters tends to result in poor quality parts which imposes limitations with respect to the mechanical performance due to process induced defects. To address this LPBF processing ... Read more
In-situ production of WC-Ni using a laser cladding technique

Author: Skhosane, Besabakhe S ; Masina, Bathusile N ; Lekoadi, Paul M ; Pityane, Sisa L Date: Nov 2022 Metal Matrix Composite (MMC) coatings of Tungsten Carbide (WC) and Nickel (Ni) powder were produced using laser cladding process. A crack free and good metallurgically bonded WC-Ni coating of about 5mm thick produced from varying both laser ... Read more
Industry taking up on-demand additive manufacturing of spare parts

Author: Bester, Duwan C ; Tshabalala, Lerato C Date: Nov 2021 The adoption of Additive manufacturing (AM) in South Africa has grown significantly, with more industries investing and investigating the possibility of adoption to their operations. Some of these industries are the railway and mining industries, ... Read more
Investigation of martensite a’ phase transformation during heat treatment of high-speed selective laser melted Ti6Al4V components

Author: Lekoadi, Paul M ; Maledi, N ; Tlotleng, Monnamme ; Masina, Bathusile N Date: Feb 2020 The investigation of microstructural and hardness properties of high-speed selective laser melted (SLM) produced Ti6Al4V coupons after various heat treatments. Heat treatment was performed in order to homogenize and improve the microstructure ... Read more
Investigation of the corrosion behaviour of TiC/Ti6Al4V manufactured through laser additive manufacturing

Author: Kgomo, Matshela TH ; Masina, Bathusile N ; Lekoadi, Paul M ; Mathoho, Ipfi ; Pesha, Thabo ; Sibisi, T ; Mulaudzi, Vusimusi Date: Nov 2023 This research study focuses on investigating of the corrosion response of TiC/Ti6Al4V composite manufactured by laser additive manufacturing. Corrosion tests for TiC/Ti6Al4V were carried out with 3.5% of NaCl solution at room temperature 25ºC ... Read more
Investigation of the mechanical and microstructural properties of TIG welded Ti6Al4V alloy

Author: Omoniyi, PO ; Mahamood, RM ; Arthur, Nana KK ; Pityana, Sisa L ; Akinlabi, SA ; Hassan, S ; Okamoto, Y ; Maina, MR ; Akinlabi, ET Date: Jul 2021 The joint integrity of 1 mm thick sheets of Ti6Al4V alloy welded autogenously using TIG welding was investigated in this article. The current and gas flow rate were varied and their effects on the mechanical properties and microstructure of ... Read more
Investigation of the microstructure evolution of TiC/Ti-6Al-4V composite manufactured by laser melting deposition

Author: Nomqonde, BH ; Mashinini, PM ; Lekoadi, Paul M ; Masina, Bathusile N Date: Nov 2022 This study investigated the microstructure evolution of the TiC/Ti-6Al-4V matrix composite produced using a 1073 nm continuous wave (CW), IPG Ytterbium fibre laser. The influence of thermal gradient, overlap, and re-melting of the previous ... Read more
Investigation of TiB distribution characteristics on the microstructure of in situ TiB/Ti6Al4V-ELI manufactured by laser metal deposition

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Siyasiya, Charles ; Masina, Bathusile N Date: Nov 2023 This study presents the investigation of TiB distribution characteristics on the microstructure of in-situ synthesized TiB/Ti6Al4V single-track composites manufacture with laser metal deposition. Ti6Al4V alloy was reinforced by adding TiB2 ... Read more
Microstructural characterization of additively manufactured Ti-6Al-4V with the addition of ß-Stabilizer, niobium

Author: Mrwata, K ; Siyasiya, C ; Arthur, Nana KK Date: Nov 2023 This study investigated the influence of beta stabilizer niobium on the microstructure and hardness of Ti-6Al-4V. The relationship between increased the concentration of alloying elements into Ti-6Al-4V is generally associated with an increase ... Read more
Modification of H950 condition for 17-4 PH stainless steel processed by DED

Author: Mathoho, Ipfi ; Arthur, Nana KK ; Tlotleng, Monnamme Date: Feb 2023 The current study embarked on developing the H950 aging condition for 17-4 PH stainless steel that was manufactured through the DED process. The driving force for carrying out this study was that, when the H950 condition was applied to 17-4 ... Read more
Monitoring for cracks in metal l-pbf using gas-borne acoustic emission

Author: Moore, K ; Kouprianoff, D ; Louw, Daniel F ; Yadroitsava, I ; Yadroitsev, I Date: Dec 2023 Delaminations and cracks are detrimental phenomena that hinder the quality of the final product in metal additive manufacturing. The effective use of other online monitoring systems that can detect these deformations and delaminations during ... Read more
Morphological characterisation of recycled powder and microstructures of Ti-6Al-4V components synthesized by LENS additive manufacturing

Author: Sibisi, PN ; Popoola, API ; Arthur, Nana KK ; Pityana, Sisa L ; Popoola, OM Date: Oct 2019 Direct Metal Laser Deposition (DMLD) processes such as LENS are gaining ground in commercial manufacturing processes of functional end-products. This is attributed to this process being popularized as a sustainable technology with the potential ... Read more
Nano mechanical study on a single layer TiC/TI6Al4V-ELI composite manufactured with laser metal deposition

Author: Ramasobane, P ; Mashinini, MP ; Masina, Bathusile N Date: Nov 2023 This study investigated the nano mechanical properties of Ti6Al4V-ELI embraced with TiC particles, synthesized with in situ laser metal deposition technique. The 3.85% feed ratio fraction TiC/Ti6Al4V-ELI composite samples were manufactured ... Read more
Nanoindentation and corrosion behaviour of 410 stainless steel fabricated via additive manufacturing

Author: Lesufi, M ; Akinwamide, SO ; Makoana, Nkutwane W ; Tshabalala, Lerato C ; Olubambi, PA Date: Sep 2022 This study investigates the microstructural, nanomechanical, and corrosion behaviour of different sections of 410 steel fabricated via directed energy deposition technique. The morphology exhibited by the longitudinal and transverse sections ... Read more

Now showing items 1-20 of 25

Next Page

Browse

All of ResearchSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects
- Publication Type
- Cluster
- Impact Area

Quick Links

Legislation and compliance

General Enquiries

Tel: + 27 12 841 2911
Email: callcentre@csir.co.za

Physical Address
Meiring Naudé Road
Brummeria
Pretoria
South Africa

Postal Address
PO Box 395
Pretoria 0001
South Africa

Social Connect

Copyright © CSIR 2017. All Rights Reserved

Resources on this site are free to download and reuse according to associated licensing provision. Please read the terms and conditions of usage of each resource.