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Paul Kah, professor i svetsteknologi

After studies and work in Cameroon, Finland and Russia, Paul Kah has chosen to work as a professor of welding technology at Högskolan Väst. "I enjoy the Nordic lifestyle," says Paul. Photo: University West.


Tell us about your research!

“My research focuses on welding technology, specifically process control systems for optimizing arc welding processes. My research aims to improve weld quality and welding efficiency. Beyond that, my additional research interests include applying artificial intelligence systems in gas metal arc processes to meet welding challenges, improve systems integration, and improve welding economy and quality.”

“The research focuses mainly on advancements in the field of fusion welding that could contribute towards achieving sustainable development goals. In our group’s work, we enhance process understanding such that it is possible to determine optimal parameter choices for various advanced techniques in welding in a manner that improves the properties of the weld joint.”

Why have you chosen to research about welding technology?

“Since high school, I have been interested in welding and wanted to understand how constructions are fabricated and why some fail. When I arrived in Finland to study for a second master’s degree in technology, I was fascinated to witness how welding is critical to the manufacturing sector. This insight helped me focus on welding because of my hopes for a future career in Europe and my experiences in Cameroon when I graduated.”

What is your background?

“I obtained a professional master’s degree certificate, DIPET II, from ENSET at the University of Douala, Cameroon, in 2001. Then I furthered my studies in Europe and graduated from Lappeenranta University of Technology, Finland, with an MSc (Tech.) in 2007 and DSc (Tech.) in 2011. I also hold an International Welding Engineering diploma accredited by the International Institute of Welding.”

“Upon completing my doctoral degree, I was awarded a post-doc grant from the Academy of Finland for three years, which allowed me to work as a principal investigator on several interesting projects. From 2016 to 2017, I spent six months as a senior scientist at Saint Petersburg Peter the Great Polytechnic University. I am currently working as a professor in welding technology and programme director at the Department of Engineering Science, University West.”

Is there an area you would like to explore more?

“Research advancements are expected to be utilized to enhance fusion welding as an additive manufacturing methodology and as a repairing technique, which is an interesting area with great potential.”

“Other research I would like to explore further is the development of lithium-ion batteries with better material properties, excellent reliability, and improved long-term characteristics. Production of good quality joints between components in lithium-ion batteries is essential; if the welds are of low quality, many serious problems can arise.”

How do you want to contribute to societal development with your research?

“As with most researchers, I aim to contribute to development in my field of expertise and make a better future for all humanity. I also want to be a role model to young researchers. My present work is related to developing a new master’s level program in welding technology, where a combination of theoretical and practical work equips welding professionals to promote the transition to a sustainable industrial and social environment. The program aims to meet the increasing demand for welding experts in industries regionally and globally and to bridge the current gap in knowledge and expertise resulting from the rapid evolution of advanced technologies and strong market growth.“

How come you have chosen to work in Sweden and at University West?

“I first worked as a guest professor at University West. I was impressed by the close collaboration between researchers and Ph.D. students and the cooperative atmosphere at the Department of Engineering Sciences. I enjoyed my time in the department immensely, which motivated me to apply for a more permanent position and continue working here.”

“I enjoy the lifestyle in the Nordic area, where there is a good balance between working hard and having time for family and friends. People in Sweden are treated with honesty and respect, reflected in their workplace behaviour. The Swedish tradition of ‘fika,’ coffee and cake, is one that other countries could copy. I thoroughly recommend considering Sweden as a destination for study or work.”

Contact: Paul Kah, Professor in Welding Technology, University West