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Materials science – the key to sustainability

Published: June 7, 2022, 9:00 AM Updated: June 13, 2022, 4:39 p.m.Parts of the AMHiPP team, from left (standing), Pavel Krakhmalev (professor), Mikael Åsberg (Assistant Professor), Mikael Grehk (Professor), Anton Tkachuk (Lecturer), Ivan Zhirnov (Post doc.), Seated, Dimitrios Nikas (Lab Engineer), Fengxiang Lin (senior lecturer), Faezeh Javadzadeh Kalahroudi (doctoral student), and Mohamed Sadek (Post doc.) Karlstad University has a long tradition in materials science research. – In the transition to a fossil-free society, materials development is more important than ever, says Mikael Grehk, Professor of Materials Engineering. He is convinced that research is central to the development of the high-performance products of the future. – High-strength steel and advanced alloys will play a key role in the industry’s climate change, and materials science discoveries are indispensable for industry, says Mikael Grehk. His colleague Pavel Krakhmalev, professor materials science, agrees with him: – Because we have such a close collaboration with the industry, we have the opportunity to influence production in a more sustainable direction.It is important to understand the mechanics of the materials– Everyone knows what effort is being made on a variety of fronts for society to transform into a fossil-free society. But, few reflect on what happens in the transition phase. In order to achieve a truly sustainable society, it is required that we constantly evaluate and optimize today’s materials, in order to design the high-performance products we expect to be able to manufacture in the future, says Mikael Grehk. Evaluation and optimization of advanced materials for high-performance products is something Mikael Grehk and Pavel Krakhmalev work on a daily basis. In the project “AMHIPP”, they delve into the performance of advanced materials in the areas of additive manufacturing, high-strength steel fatigue properties and tool steel heat resistance and abrasion resistance. But, what does their work mean in concrete terms? – The world consists more or less of different kinds of materials. At Karlstad University, we have high-quality equipment that allows us to understand the materials’ own world, says Mikael Grehk. Pavel Krakhmalev develops it further and explains what materials science research means, in general. – In general, materials can be divided into four different classes; metals, ceramics, polymers and composites. The material classes have different properties that depend on what kind of atoms they consist of and how the material structure is structured. The knowledge at the micro level helps us to understand their property at the macro level, ie how they behave in a specific application. This means that we understand how to optimize and develop the materials so that they reach their full potential, he says. The microstructure of the material is also what determines its mechanical properties. In other words, it is what affects a material’s strength, service life under cyclic load and wear resistance. Read more about materials science research at Karlstad University here.For a sustainable industry – To ensure that a sustainable and fossil-free society becomes a reality, we need this knowledge. In this way, we can help the industry make the right investments, says Mikael Grehk. – We assume that all materials can be recycled in the future. The way there is through increased awareness and constant improvements of existing production processes and development of new ones. We want to be involved and contribute our knowledge, says Pavel Krakhmalev.To get a deeper insight into the AMHIPP project, click here.Facts:
The AMHIPP project is funded by the Knowledge Foundation and aims to increase understanding of the interplay between the mechanical properties of materials and their microstructure. The project is a collaboration between Karlstad University, Uddeholms AB, Gestamp Hardtech AB, MTC Powder Solutions AB, voestalpine Precision Strip AB, Seco Tools AB, Curtiss-Wright Surface Technologies AB and FTB Bredaryd AB. The more knowledge there is in the field, the easier it will be to develop flawless materials that last a long time and are best suited for each area of ​​use. The article is produced by Brand Studio in collaboration with Karlstad University and not an article by Dagens industri

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