Lab Technician - Transnet Engineering SOC limited
(2024-06)
- Prepare and test samples using method such as spark spectrometry, wet chemistry, hardness testing and metallography
- Interpreted microstructures under a microscope to assess grain size, phase distribution and heat treatment effectiveness
- Monitor and reported the chemical composition of molten metal during production to ensure casting quality
- Maintain accurate records of test results and communicated findings to production and quality control team
- Operate and verify laboratory machines and instrument daily to ensure that they are in good working order
- Assists in failure analyses and quality investigation to identify cause of defects in cast products
- Follow safety protocols when handling hazardous material and maintain a clean, organised laboratory environment
Lab Technician - SA Steel Mills (Pty) Ltd
(2024-03 - 2024-06)
- Conducted a chemical analysis of steel to monitor and control furnace operations
- Performed mechanical testing including tensile test, impact test (Charpy), hardness test (Brinell, Rockwell).
- Supported process control and quality assurance by providing rapid test results to steel making and rolling départements
- Supported ISO and internal audits by ensuring test procedures and documentation were complying
- Maintained lab hygiene and calibration schedule
Plant Operator - Rustenburg Chrome Mine (Clover Alloys holdings)
(2023-09 - 2024-03)
- Acting supervisor during the absence of my supervisor insuring a smooth flow of the plant
- Worked closely with the metallurgist and control room to optimize chrome recovery process including crushing, milling and spirals to ensure high efficiency
- Conduct daily metallurgical mass balance to monitor plant performance and recovery rates
- Ensured consistent product quality by controlling plant performance routine sample analyses
- Collaborated with laboratory team for test work and improvement of processing technique
- Prepare detailed technical reports on plant performance and test works outcome
- Maintain strict adherence to safety, health and environment (SHE) regulations within the plant environment
- Operated and monitored the flocculant plant to ensure optimal flocculant dosing and mixing for effective solid -liquid separation
Sampler - Rustenburg Chrome Mine (Clover Alloys holdings)
(2023-07 - 2023-09)
- Collected accurate and representative samples of run-of- mine (ROM) ore, process feed, concentrate and tailing from designated sampling points
- Ensured proper sampling procedure were followed to support the metallurgical accounting and process control
- Prepared, labelled and recorded all samples for laboratory testing
- Conducted basic field test such as moisture test and particles size distribution
- Maintained cleanliness and functionality of sampling tools, scoops, splitters and collection point
- Worked closely with plant operators, lab technicians and metallurgists to provide reliable data for daily plant performance monitoring
- Complied with safety standards when collecting samples in high risks or moving machinery areas
- Completed daily sampling reports and assisted with sample trend tracking for quality control purpose
Intern - Transnet Engineering SOC limited
(2022-03 - 2023-03)
- Assisted with preparation and testing of the metal and raw materials using standard laboratory procedure
- Supported senior lab technician in conducting chemical analyses, including spectrometry and wet chemistry techniques
- Helped perform mechanical test such as hardness and tensile on metal castings
- Prepared metallographic samples for microscopic examination by polishing and etching
- Recorded and organized test data accurately and assisted in maintaining laboratory documentation
- Observed and followed all safety procedures related to the handling of hot samples, chemical and lab equipment
- Maintained cleanliness and order in the lab, ensuring all tolls and equipment were properly stored and calibrated
- Gained practical exposure to quality control processes, material evaluation and foundry workflow
