Alumni

Mathew Molteno

Mathew Molteno

PHD

I studied Electro-Mechanical engineering at the University of Cape Town (BSc Hons, MSc), and MSc in Mechanical engineering (submersible remote field eddy current crack detection system – 2012). In 2013 I started my PhD working on the measurement of fracture parameters from digital images (PhD at Stellenbosch, 2013 – current). The first methods were developed for the surface using regular (white light, 2D) images (2014). More recently, 3D images have been made available through X-ray computed tomography, and will enable the extension of existing methods to 3D. The latter is in collaboration with Oxford University (2015-2016), and uses data made available by both lab (MXIF, Manchester University) and synchrotron based tomography (Diamond Light Source, Harwell).

Richard Huchzermeyer

Richard Huchzermeyer

Masters

I completed my undergraduate studies in Mechanical Engineering at the University of Cape Town in 2012, where I became interested in the field of fracture mechanics and failure analysis. Following a two-year period of employment as a training engineer managing projects in the chrome smelting industry, I decided to study towards a Master’s degree in Fracture Mechanics at Stellenbosch University. My project developed a method for applying Digital Image Correlation to Small-Sample Testing, extracting both tensile and fracture properties from a single sample using Digital Image Correlation.

Lucas Anderson

Lucas Anderson

Masters

I completed my undergraduate B.Eng degree in Mechanical Engineering with Cum Laude in 2015 at the University of Stellenbosch. My research formed part of the CPAM program that aimed at qualifying of Selective Laser Melted titanium alloys. My specific area of research was in the measurement of residual stresses that occur due to the layerwise process and the inherent high cooling rates in SLM. This research entailed the use of FIB (Focused Ion Beam) milling to scale down the standard hole drilling technique to the micro-scale whilst using Digital Image Correlation to measure the respective stress relaxation.

Heimriks Nel

Heimriks Nel

Masters

Born and raised in the Northern Cape, I spent most of my life living in Springbok. I studied towards my Masters in Mechanical Engineering after completing my Bachelor’s degree in 2014. The focus of my research was the development and subsequent characterisation of a carbon fibre reinforced ceramic composite. The ceramic in question has some exciting properties and is from a family of carbides referred to as the MAX phases.

Jessica du Toit

Jessica du Toit

Masters

I completed my undergraduate degree in Chemical Engineering at Stellenbosch University in 2015. I then decided to pursue research in Materials Engineering and enrolled for a MEng in Mechanical Engineering. I completed my Master’s thesis under the supervision of Dr. Blaine (M&M Engineering, Stellenbosch University) and co-supervision of Prof. Coville (Chemistry, University of the Witwatersrand). My thesis focused on graphitized hollow carbon nanospheres, specifically their synthesis, characterization and mechanical behaviour. I looked at the mechanical behaviour of the individual spheres as well as their bulk properties. Various testing methodologies were investigated including in situ TEM nanoindentation and bulk compression tests.

Arno Scholtz

Arno Scholtz

Masters

I received my bachelor’s degree in mechanical engineering in 2015 and commenced my studies in 2016 towards a master’s degree in mechanical engineering. My field of study is that of Materials Engineering under the supervision of Dr. DC Blaine. More specifically my project is concerned with the infiltration of copper into an iron alloy as well as the infiltration of aluminium into porous titanium preforms. The project is aimed at better understanding the infiltration mechanisms and determining the sensitivity of the final product to the processing parameters. Research focus is placed on the stages of infiltration, the sintering atmosphere and the increased machinability effect of infiltration.

Serguei Petrov

Serguei Petrov

PhD (Visiting)

I was born and started school in Leningrad (now St. Petersburg), USSR. At the age of 14, I moved to Namibia, where I completed my schooling. In 2001 I enrolled for the degree of bachelor of science in Mechanical Engineering. Upon completion, I joined the industry in a role of a forensic engineer, specialising in fatigue and fracture mechanics of engineering components and structures. In 2010, I completed his MSc in Mechanical Engineering at the University of Cape Town. The thesis focused on the fatigue life management of aging offshore structures exposed to continuous cycling loading. My current PhD focuses on the fracture properties of synthetic diamond composites. Registered at the University of Cape Town, I work closely with the Materials Engineering group, which facilitate for novel material property extraction techniques.

Gerald WIlliams

Gerald WIlliams

Masters

Born in Pretoria, my family moved down to Plettenberg Bay where I completed my schooling, matriculating from Wittedrift High School in 2012. I began my university education at Stellenbosch University in 2013, graduating in 2016 with a bachelor’s degree in Mechanical Engineering. I am currently pursuing a master’s degree under the supervision of Dr Thorsten Becker, which I am completing part-time whilst working for a technology consulting firm. My research focuses on the development of a material property identification procedure which utilizes a combination of the finite element method (FEM) and digital image correlation (DIC) measurements to determine multiple deformation and fracture parameters from a single sample. The procedure is based on an optimization approach whereby the finite element model material parameters are iteratively varied until model behaviour replicates the DIC measurements. The vision of the project to contribute to material characterization methods used on in-service equipment, especially within the power generation industry.