Publications of Yan Ma

Ma, Y.; Sun, B.; Schökel, A.; Song, W.; Ponge, D.; Raabe, D.; Bleck, W.: Discontinuous yielding in ultrafine-grained duplex medium-Mn steels. Discontinuous yielding in ultrafine-grained duplex medium-Mn steels, Darmstadt, Germany (2023)

Ma, Y.; Raabe, D.: Reducing Iron Oxide with Ammonia: A Sustainable Path to Green Steel. EUROMAT2023, Frankfurt am Main, Germany (2023)

Zhou, X.; Bai, Y.; Kim, S.-H.; Ma, Y.; Liebscher, C.; Gault, B.; Rezaei Mianroodi, J.; Dehm, G.; Raabe, D.: The chemical, thermodynamic and kinetic roles of pores in the hydrogen-based direct reduction of single-crystalline wüstite into iron. EUROMAT 2023, Frankfurt, Germany (2023)

Ma, Y.; Raabe, D.: Basic science behind green steel making. 2023 International Symposium on Hydrogen Metallurgy (ISHM2023), Chongli, China (2023)

Ma, Y.; Wang, Y.-F.; Bugelnig, K.; Villanova, J.; Requena, G.; Raabe, D.: Porosity evolution during sustainable ironmaking with hydrogen probed by 4D synchrotron X-ray nano-tomography. European Synchrotron Radiation Facility User Meeting 2023, Grenoble, France (2023)

Ma, Y.: Microstructure evolution during hydrogen-based direct reduction of iron oxides. International Workshop on Sustainable Metallurgy of Green Steel (GreenSteel2022), online (2022)

Ma, Y.; Wang, Y.-F.; Bugelnig, K.; Villanova, J.; Requena, G.; Raabe, D.: Green steel: porosity evolution during hydrogen-based direct reduction of hematite probed by in-situ synchrotron X-ray nano-tomography. MSE 2022, Darmstadt, Germany (2022)

Best, J. P.; Tian, C.; Ma, Y.; Dehm, G.; Rasiński, M.: Reduced toughness of recrystallised tungsten at grain boundaries evidenced through site-specific microcantilever fracture testing. 11th European Solid Mechanics Conference - ESMC 2022, Galway, Ireland (2022)

Ma, Y.; Wang, Y.-F.; Bugelnig, K.; Tsai, S.-P.; Villanova, J.; Zaefferer, S.; Requena, G.; Raabe, D.: Microstructure and porosity evolution during hydrogen-based direct reduction of iron ore. DGM X-ray tomography working group meeting, online (2022)

Ma, Y.; Villanova, J.; Requena, G.; Raabe, D.: Understanding the physical-chemical phenomena in green steel production using synchrotron X-ray techniques. European Synchrotron Radiation Facility User Meeting 2022, Online (2022)

Ma, Y.; Zaefferer, S.; Raabe, D.: Hydrogen-based direct reduction of iron ores: Microstructure, crystallography, and reduction mechanisms. 2021 International Metallurgical Processes Workshop for Young Scholars (IMPROWYS2021), a hybrid event, Online (2021)

Raabe, D.; Kim, S.-H.; Zhang, X.; Ma, Y.; Souza Filho, I. R.; Schweinar, K.; Angenendt, K.; Vogel, D.; Stephenson, L.; El-Zoka, A. et al.; Mianroodi, J. R.; Rohwerder, M.; Gault, B.; Bai, Y.; Springer, H.; Ponge, D.; Kulse, M.; Mahajan, A.; Zaefferer, S.: Sustainable Metals. Virtual Keynote Perspective Lecture, Materials Chain and Materials Science Department, RUB , Bochum, Germany (accepted)

Raabe, D.; Kim, S.-H.; Zhang, X.; Schweinar, K.; Souza Filho, I. R.; Ma, Y.; Stephenson, L.; El-Zoka, A.; Mianroodi, J. R.; Rohwerder, M. et al.; Lilensten, L.; Paolantonio, M.; Prithiv, T. S.; Schneider, J. M.; Ponge, D.; Gault, B.: Basic Research Opportunity and Leverage Effects in Sustainable Metallurgy. Workshop: New Frontiers in Materials Science and Engineering – Sustainable Metallurgical Processes with improved CO2 efficiency, RWTH Aachen, online, Aachen, Germany (2020)

Ma, Y.: Materials Characterization – Introduction to X-ray Diffraction. Lecture: International Max Planck Research School for Interface Controlled Materials for Energy Conversion (IMPRSURMAT), online, 2021-08

Raabe, D.; Cojocaru-Mirédin, O.; El-Zoka, A.; Kontis, P.; Ma, Y.; Mianroodi, J. R.; Ponge, D.; Souza Filho, I. R.; Sandlöbes-Haut, S.; Zaefferer, S. et al.; Zhao, H.: Sustainable Materials Science and Green Metallurgy (Sustainable Materials and Metallurgical Science & Engineering). Lecture: SS 2021, RWTH Aachen University, 2021-04 - 2021-07

Zhou, X.; Bai, Y.; El-Zoka, A.; Kim, S.-H.; Ma, Y.; Liebscher, C.; Gault, B.; Mianroodi, J. R.; Dehm, G.; Raabe, D.: Effect of Pore Formation on Redox-Driven Phase Transformation. arXiv (2022)