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R&D & Innovation
A cross-disciplinary approach serving materials and industry
At MetalWeld Expert , research and development are the driving force behind our progress. Our conviction is simple: innovation often emerges at the intersection of disciplines. That is why we explore synergies between metallurgy, welding, materials science, laboratory testing, and the mining sector. Our goal is to turn industrial challenges into sustainable opportunities by recovering by-products and optimizing processes.
This page illustrates our ability to conduct high-impact applied research projects in collaboration with academic and industrial partners.
Flagship project: Recovery of SAW welding slag in geotechnics
This project perfectly embodies our cross-disciplinary approach. It was carried out as part of a master’s thesis conducted with the University of Clermont Auvergne (Clermont-Ferrand), in collaboration with student HAMDANE Sifeddine, enrolled in the Master 3G – Geo-resources, Geotechnics and Georisks program. This research work was particularly well executed and resulted in a high-level thesis, summarized below.
Context and problem statement
Submerged arc welding (SAW) generates slag — or scoria — considered an industrial waste. At the same time, the geotechnical sector is looking for alternatives to cement for soil stabilization, in order to reduce carbon footprint and recover local resources.
The guiding idea : turn waste into a resource.
We studied the technical feasibility of partially substituting cement with SAW slag for the stabilization of a silty-sandy soil. The work involved:
Complete characterization of materials (soil, slag, cement): particle size distribution, Proctor, chemical composition.
Formulation of multiple mixes: cement substitution (4%, 5%, 6%, 7%) and slag activation by cement.
Manufacturing and curing of specimens (150 mm cubes and 50×100 mm cylinders).
Mechanical tests (compressive strength) at 7, 14, 28, and 90 days.
Microstructural analyses (XRD) to understand reaction mechanisms.
Experimental approach
Key Results
Metallurgy and welding are not isolated sciences. They interact with many other fields. We are open to supervising internships and collaborating on related topics such as :
This project demonstrates that SAW welding slag is a reliable, effective, and environmentally friendly alternative for soil stabilization. It paves the way for a circular economy in road construction and geotechnical engineering.
Keywords: Slag – SAW – Hydraulic Binder – Welding – Soil Stabilization
Conclusion
Let’s Discuss Your Project
Do you have an industrial challenge, a research project, or an innovative idea to explore? Whether in the field of metallurgy, materials, geotechnics, or mining, our team is ready to support you.
Contact us to discuss your needs.
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