VALARRY GAYAKAYA
Nancy
Summary
I am a dedicated and results driven process engineering and materials engineering professional with materials characterisation and selection skills.Proven problem solver with strong analytical skills and a collaborative approach,seeking to deliver cutting edge solutions in the materials science field.
Overview
2
2
years of professional experience
Work History
Materials Science Technician
Tongaat Hulett
06.2024 - 08.2024
- Reduced maintenance costs by 20% by selecting corrosion resistant and abrasion resistant steel
- Investigation of materials failure root cause
- Improved machine perfomance by reducing friction induced wear through introduction of solid lubricants
- Improved machinery lifespan by conducting materials stress tests and implementing appropriate solutions
LSC from Carbon dots Project
04.2024 - 06.2024
- Engineered a 3 layer luminscent solar concentrator using carbon dots
- Synthesized carbon dots using sugar and hydrothermal method to promote green chemistry
- Enhanced the photoluminiscent properties by doping with S(III) oxide ions
- Utilised characterisation techniques to investigate the doping successfulness
Materials Selection for Bast Sauna Project
01.2024 - 04.2024
- Recommended the most feasible steel for the sauna body (Granta EduPack)
- Established a criteria for material selection based on durability and heat resistance of the steel
- Perfomed comparative analysis of steel grades to determine suitability for the sauna
- Analysed thermal properties,corrosion resistance and structural integrity of steel types
Process Engineering Intern
Tongaat Hulett
06.2022 - 08.2022
- Spearheaded a project in energy consumption reduction
- Optimised ethanol production processes to increase efficiency by 10%
- Collaborated with the R&D department to test materials and processes for increased yield
Education
MSc - Advanced Materials Science and Engineering
Lulea University of Technology
Lulea, Sweden01.2025
BSc - Process Engineering
University of Batna 2
Batna, Algeria01.2023
Skills
- Material Selection and Design
- Material Characterisation
- Root cause analysis
- Granta Edu Pack
- Aspen Hysis
- Microsoft
Soft Skills
- Project Management
- Communication skills
- Skilled Collaborator
- Time management
- Data-driven
Languages
English, French, Spanish
Affiliations
- Erasmus Mundus Scholarship Awardee (AMASE)
- Zimbabwe-Algeria Presidential Scholarship Awardee (2019)
Languages
English
First Language
French
Upper Intermediate (B2)
B2
Spanish
Beginner
A1
Swedish
Beginner
A1
Accomplishments
- Erasmus Mundus Scholarship Awardee (AMASE)
- Zimbabwe-Algeria Presidential Scholarship Awardee (2019)
Timeline
Materials Science Technician
Tongaat Hulett
06.2024 - 08.2024
LSC from Carbon dots Project
04.2024 - 06.2024
Materials Selection for Bast Sauna Project
01.2024 - 04.2024
Process Engineering Intern
Tongaat Hulett
06.2022 - 08.2022
MSc - Advanced Materials Science and Engineering
Lulea University of Technology
BSc - Process Engineering
University of Batna 2
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