Author:Popoola, API; Ochonogor, OF; Abdulwahab, M; Pityana, Sisa L; Meacock, CDate:Dec 2012Surface modification of titanium alloy (Ti-6Al-4V) was made using a Rofin Sinar 4 kW Nd: YAG laser. A laser multi-track 50% overlapping process was employed to produce Zr and Zr-TiC metal matrix composite (MMC) coatings on Ti6Al4V substrate. ...Read more
Author:Ochonogor, OF; Meacock, C; Pityana, Sisa L; Popoola, PAI; Dutta Majumder, JDate:Sep 2012Laser metal deposition (LMD) is an additive manufacturing technique whereby a stream of metal powder is consolidated by a focused laser beam on the surface of a substrate or engineering component. The interaction zone between the laser beam ...Read more
Author:Akinlabi, ET; Nyembwe, KD; Pityana, Sisa L; Shongwe, MB; Ochonogor, OFDate:Jan 2017Manufacture of hybrid Ti6Al4 V alloy systems for application specifically in hot parts of turbine engines has been a challenge in recent years. This is due to the need to increase efficiency and reduce combustion rate and emission. In this ...Read more