In a great and recent work from my friend Christian Fleißner-Rieger -- doctoral researcher at Montanuniversität Leoben (Austria) -- has shown the discovery of a new and soft martensitic phase in a Ti-based model alloy obtained via additive manufacturing. Such a soft martensitic phase -- which the nucleation can be controlled via processing parameters -- … Continue reading A milestone for Ti-based alloys in additive manufacturing
A modified version of the well-known Cantor's alloy, the nanocrystalline CoCrCuFeNi high-entropy alloy was subjected to heavy-ion irradiation in situ within a TEM in our most recent study within the field of potential new nuclear materials. The stability of the alloy was investigated in a broad range of irradiation doses and temperature, revealing the nucleation … Continue reading Discovery of FeCo nanomagnets under irradiation in a high-entropy alloy
From Montanuniversität Leoben: https://www.unileoben.ac.at/en/newsdetail/schluessel-zum-recycling For almost a century, commercial aluminum materials have been developed and optimized for high performance in specific applications within strict chemical confines of industrially established alloy classes. The requirements associated with sustainable lightweighting concepts call for new strategies that offer a broader property portfolio with a better trade-off between formability, achievable … Continue reading Key to recycling
With great happiness and on behalf of my co-authors, we share our just published review paper entitled "On the potential of aluminium crossover alloys", available online on the prestigious journal Progress in Materials Science. A link for free access of our paper can be found here: https://doi.org/10.1016/j.pmatsci.2021.100873 This paper is the consolidation of Dr. Stemper's … Continue reading Aluminium Crossover Alloys: an outlook for the future of lightweight metallurgy!
We should be categorical here: the question if we are alone in the Universe remains yet unanswered. Nevertheless, several government bodies are now publicizing the issue with enormous coverage by the mass-media, and these facts has also motivated my attention to the problem from a scientific perspective. In a recent public report, the US intelligence … Continue reading On “alien technology” and materials science
Stay tuned for the new "Scientists at Extremes: Interview Series" Starting on mid-June 2021! We will be inviting and interviewing scientists from a wide variety of backgrounds related with metallurgy and materials research with special focus on materials under extremes conditions such as (non-exhaustive list): nuclear, corrosion, high-temperatures etc. In the first series, we will … Continue reading Scientists at Extremes: Interview Series
MAX radiation protection for next-generation nuclear power plants, by Jonathon Foreman, Ceramic Tech Today. "The radiation tolerance of MAX phases is of particular interest to researchers because it makes these materials ideal candidates for use in next-generation nuclear power technologies. Studies that exposed various MAX compositions to low and high doses of high-energy ions found … Continue reading ACerS highlights Cr2AlC MAX Phases pathway to extreme environments
Our work on the emergence of a new class of aluminium alloys -- the crossover alloys -- has been highlighted in the Acta Materialia's most downloaded articles! A throughout article led and written by Dr. Lukas Stemper showing how chemical complexity and synergy between different alloying elements is now defying almost 100 years of accumulated … Continue reading Defying reductionism in aluminium alloys
How #nanocrystalline #materials are a potential class of #nuclear #materials? We show that a non-pure Cr-based MAX phase has high radiation resistance. Collab. between @HuddersfieldUni@HudCompEng@unileoben@metallurgie_mul Now at @ScienceAdvances https://bit.ly/3f8JzQc
In another great collaboration with Oak Ridge National Laboratory and Universities of Huddersfield, Leoben and São Paulo, we have investigated in depth the radiation response of a FeCrMnNi high-entropy alloy (HEA) compared with a commercial austenitic stainless steel. Yes, the HEA outperforms the steel by a 80% margin when thermodynamic stability of the matrix phase … Continue reading High-entropy alloys are indeed radiation resistant. What about the high-entropy?
Materials at Extremes 