PUBLICATIONS - Ma Metallurgy Lab

Publication list

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Sustainable Pre-reduction of Ferromanganese Oxides with Hydrogen: Heating Rate-Dependent Reduction Pathways and Microstructure Evolution

A. Bajpai, B. Ratzker, S. Shankar, D. Raabe, Y. Ma

https://doi.org/10.48550/arXiv.2507.10451

Influence of grain size on the solid-state direct reduction of polycrystalline iron oxide

B. Ratzker, M. Ruffino, S. Shankar, Y. Ma, D. Raabe

https://doi.org/10.21203/rs.3.rs-7895598/v1

2026

A 3-GPa ductile martensitic alloy enabled by interface complexes and dislocations

R. Lv, J. Li, Y. Shi, S. Dai, S. Wang, X. Chen, X. Zhou, F. Zhang, M. Jiao, C. Ma, A. Schökel, S. Wei, Y. Ma, C. Pistidda, Z. Lei, Z. Lu

Nature Materials, xx(2026), xxxx

Active learning design of bcc solid solution alloys with gigapascal strength and elemental metal–level ductility

Z. Wang, X. Chen, D. Zhang G. Wu, Y. Ma, X. Zeng, Z. Rao C. Liu, E. Ma

PNAS,3123(2026), e2530922123

Solvent-enriched interface enables ductility in an ultrastrong alloy

T. Liu, Y. Shi, L. Han, F. Zhang, W. Chen, H. Wan, C. Ma, A. Schökel, Y. Ma, S. Wei, C. Pistidda, Z. Lei, Z. Lu

Acta Materialia, 305(2026), 121829

Unveiling Hydrogen-Based Direct Reduction Mechanisms of Multicomponent Oxides via In Situ High-Energy Xray Diffraction

S. Shankar, B. Ratzker, C. Pistidda, D. Raabe, Y. Ma

ACS Sustainable Chemistry & Engineering, (2026)

2025

Sustainable ironmaking from low-grade iron ores: A kinetic study on thermal decomposition and reduction of iron (II) oxalate

A. Trinca, N. Verdone, Ö. Özgün, Y. Ma, I.R. Souza Filho, D. Raabe, G. Vilardi

Journal of Environmental Chemical Engineering, 13(2025), 119573

Unraveling the thermodynamics and mechanism behind the lowering of direct reduction temperatures in oxide mixtures

S. Shankar, B. Ratzker, A.K. da Silva, T.M. Schwarz, H. Brouwer, B. Gault, Y. Ma, D. Raabe

Materials Today, 90(2025), 43-51

Hydrogen-based direct reduction of multicomponent oxides: Insights from powder and pre-sintered precursors toward sustainable alloy design

S. Shankar, B. Ratzker, Y. Ma, D. Raabe

Acta Materialia, 301(2025), 121528

Elucidating the microstructure evolution during hydrogen-based direct reduction via a case study of single crystal hematite

B. Ratzker, M. Ruffino, S. Shankar, D. Raabe, Y. Ma

Acta Materialia, 294(2025), 121174

Hydrogen-assisted spinodal decomposition in a TiNbZrHfTa complex concentrated alloy

C. Wu, L.S. Aota, J. Rao, X. Zhang, L. Perrière, M.J. Duarte, D. Raabe, Y. Ma

Acta Materialia, 285(2025), 120707

Hydrogen accommodation and its role in lattice symmetry in a TiNbZr medium-entropy alloy

C. Wu, Y. Gong, C. Liu, X. Li, G. Gizer, C. Pistidda, F. Körmann, Y. Ma, J. Neugebauer, D. Raabe

Acta Materialia, 288(2025), 120852

Ductilization of 2.6-GPa alloys via short-range ordered interfaces and supranano precipitates

Y.Q. Yan, W.H. Cha, S. Liu, Y. Ma, J.H. Luan, Z. Rao, C. Liu, Z.W. Shan, J. Lu, G. Wu

Science, 387(2025), 401-406

A percolating path to green iron

S. Paul, B. Kanesalingam, Y. Ma, J. Villanova, G. Requena, S. C. Akpu, D. Raabe, I. Battiato, L. Dresselhaus-Marais

Cell Reports Physical Science, (2025), 102729

Ultrastrong and ductile precipitation-hardened alloy via high antiphase boundary energy

S. Dai, Y. Shi, J. He, J. Hou, F. Zhang, Z. Wu, C. Ma, S. Liu, A. Schökel, Y. Ma, S. Wei, C. Pistidda, Z. Lei, Z Lu

Science Advances, 11(2025), eadu7566

On the anisotropic deformation behavior of a low-density medium manganese steel

S. Lei, B. Sun, Y. Xuan, R. Tian, Y. Ma, M.N. Elkot, H. Cheng, N. Yao, T. Lu, J. Tan, Z. Zhang, X. Zhang, S. Tu

Acta Materialia, 292(2025), 121060

An atomic-scale view at γ’-Fe4N as hydrogen barrier material

A. Albrecht, S.Y. Song, S. Yoo, C. Lee, M. Krämer, M. Hans, B. Gault, Y. Ma, D. Raabe, S.S. Sohn, Y. Lee, S. Kim

Advanced Materials Interfaces, (2025), 2500207

Green steel at atomistic scale: Ab initio simulation of surface reduction mechanism of Wüstite (FeO) by hydrogen

C. Jiang, K. Li, J. Zhang, Y. Ma

Applied Surface Science, 698(2025), 163031

2024

Reactive vapor-phase dealloying-alloying turns oxides into sustainable bulk nano-structured porous alloys

S. Wei, Y. Ma, D. Raabe

Science Advances, 10(2024), eads2140

Hydrogen-based direct reduction of combusted iron powder: Deep pre-oxidation, reduction kinetics and microstructural analysis

L. Choisez, K. Hemke, Ö. Özgün, C. Pistidda, H. Jeppesen, D. Raabe, Y. Ma

Acta Materialia, 268(2024), 119752

One step from oxides to sustainable bulk alloys

S. Wei, Y. Ma, D. Raabe

Nature, (633)2024, 816-822

Circular steel for fast decarbonization: Thermodynamics, kinetics, and microstructure behind upcycling scrap into high-performance sheet steel (Review)

D. Raabe, M. Jovičević-Klug, D. Ponge, A. Gramlich, A.K. da Silva, A. N. Grundy, H. Springer, I. Souza Filho, Y. Ma

Annual Review of Materials Research, 54(2024), 247-297

Green ironmaking at higher H2 pressure: Reduction kinetics and microstructure formation during hydrogen-based direct reduction of hematite pellets

Ö. Özgün, I. Dirba, O. Gutfleisch, Y. Ma, D. Raabe

Journal of Sustainable Metallurgy, 10(2024), 1127-1140

The Role of Dislocation Type in the Thermal Stability of Cellular Structures in Additively Manufactured Austenitic Stainless Steel

D. An, Y. Xiao, J. Yu, X. Zhang, Z. Li, Y. Ma, R. Li, X. Han, X. Li, J. Chen, S. Zaefferer

Advanced Science, 11(2024), 2402962

Thermal Kinetics and Nitriding Effect of Ammonia-Based Direct Reduction of Iron Oxides

M. Jovičević-Klug, Y. Ma, P. Jovičević-Klug, J. M. Prabhakar, M. Rohwerder, D. Raabe

ACS Sustainable Chemistry & Engineering, 12(2024), 9882-9896

Grain boundary engineering for efficient and durable electrocatalysis

X. Geng, M. Vega-Paredes, Z. Wang, C. Ophus, P. Lu, Y. Ma, S. Zhang, C. Scheu, C.H. Liebscher, B. Gault

Nature Communications, 15(2024), 8534

Ultrastrong and ductile NiTi-based composite with large recoverable strain mediated by a compositionally complex phase

J. Geng, Y. Shi, P. Barriobero-Vila, M. Jiao, Y. Cao, Y. Tang, J. He, C. Ma, Y. Ma, Z. Lei, Z. Lu

Applied Materials Today, 39(2024), 102347

Designing advanced high-Cr ferrous alloys for next-generation energy applications through cryogenic processing

P. Jovičević-Klug, C. Bonnekoh, M. Jovičević-Klug, B. Ambrožič, G. Dražić, Z. Miłosz, Y. Ma, I. McCarroll, B. Breitbach, M. Amati, L. Gregoratti, M. Rieth, M. Rohwerder

Applied Surface Science, 665(2024), 160290

2023

Reducing Iron Oxide with Ammonia: A Sustainable Path to Green Steel

Y. Ma*, J.W. Bae, S.-H. Kim, M. Jovičević-Klug, K. Li, D. Vogel, D. Ponge, M. Rohwerder, B. Gault, D. Raabe

Advanced Science, 16 (2023), 2300111

How much hydrogen is in green steel?

Ö. Özgun, X. Lu, Y. Ma*, D. Raabe

npj Materials Degradation, 7 (2023), 78

Effect of pore formation on redox-driven phase transformation

X. Zhou, Y. Bai, A.A. El-Zoka, S.-H. Kim, Y. Ma, C.H. Liebscher, B. Gault, J.R. Mianroodi, G. Dehm, D. Raabe

Physical Review Letters, 130 (2023), 168001

Fundamentals of green steel production: On the role of gas pressure during hydrogen reduction of iron ores

I.R. Souza Filho, Y. Ma, D. Raabe, H. Springer

JOM, 75 (2023), 2274–2286

Phase transition of magnetite ore fines during oxidation probed by in situ high-temperature X-ray diffraction

H. Zheng, O. Daghagheleh, Y. Ma, B. Taferner, J. Schenk, Y. Kapelyushin

Metallurgical and Materials Transactions B, 54 (2023), 1195–1204

The adsorption mechanism of hydrogen on FeO crystal surfaces: A density functional theory study

S. Zhang, K. Li, Y. Ma, Y. Bu, Z. Liang, Z. Yang, J. Zhang

Nanomaterials, 13 (2023), 2051

Physical metallurgy of medium-Mn advanced high-strength steels (Review)

B. Sun, A.K. da Silva, Y. Wu, Y. Ma, H. Chen, C. Scott, D. Ponge, D. Raabe

International Materials Reviews, (2023)

Unravelling the effect of F phase on hydrogen-assisted intergranular cracking in nickel-based Alloy 725: Experimental and DFT study

X. Lu, Y. Ma*, D. Wang, L. Gao, W. Song, L. Qiao, R. Johnsen

Corrosion Science, 225 (2023), 111569

Segregation-enhanced grain boundary embrittlement of recrystallised tungsten evidenced by site-specific microcantilever fracture

C. Tian, Y. Ma, A. Geranmayeh, P. Patil, G. Dehm, E. Bitzek, M. Rasinski, J.P. Best

Acta Materialia, 259 (2023), 119256

In situ nanomechanical characterization of hydrogen effects on nickel-based Alloy 725 under different metallurgical conditions

X. Lu, Y. Ma, D. Peng, R. Johnsen, D. Wang

Journal of Materials Science and Technology, 135 (2023), 156–169

Impact of oxidants O₂, H₂O, and CO₂ on graphene oxidation: A critical comparison of reaction kinetics and gasification behavior

Z. Liang, R. Khanna, K. Li, F. Guo, Y. Ma, H. Zhang, Y. Bu, Z. Bi, J. Zhang

Chemical Engineering Journal, 450 (2022), 138045

Density functional studies on the atomistic structure and properties of iron oxides: A parametric study

S. Zhang, K. Li, Y. Ma, F. Guo, C. Jiang, Z. Liang, Y. Bu, J. Zhang

Materials, 15 (2022), 8316

Thermodynamics-guided alloy and process design for additive manufacturing

Z. Sun, Y. Ma, D. Ponge, S. Zaefferer, E.A. Jägle, B. Gault, A.D. Rollett, D. Raabe

Nature Communications, 13 (2022), 4361

Evaluation of hydrogen effect on fatigue crack growth behavior of medium-Mn steels via in-situ hydrogen plasma charging in an environmental scanning electron microscope

D. Wan, Y. Ma, B. Sun, S.M.J. Razavi, D. Wang, X. Lu, W. Song

Journal of Materials Science and Technology, 85 (2021), 30–43

Effect of equal-channel angular pressing on microstructural evolution, mechanical property and biodegradability of an ultrafine-grained zinc alloy

X. Wang, Y. Ma, B. Meng, M. Wan

Materials Science and Engineering A, 824 (2021), 141857

2020

Phase boundary segregation-induced strengthening and discontinuous yielding in ultrafine-grained duplex medium-Mn steels

Y. Ma*, B. Sun, A. Schökel, W. Song, D. Ponge, D. Raabe, W. Bleck

Acta Materialia, 200 (2020), 389–403

On the hydrogen embrittlement behavior of nickel-based alloys: Alloys 718 and 725

X. Lu, Y. Ma, D. Wang

Materials Science and Engineering A, 792 (2020), 139785

2019

Macro- to nanoscopic in situ investigation on yielding mechanisms in ultrafine medium Mn steels: Role of the austenite–ferrite interface

B. Sun, Y. Ma, N. Vanderesse, R. S. Varanasi, W. Song, P. Bocher, D. Ponge, D. Raabe

Acta Materialia, 178 (2019), 10–25

Precipitation behavior and austenite stability of Nb or Nb–Mo micro-alloyed warm-rolled medium-Mn steels

H. Pan, H. Ding, M. Cai, D. Kibaroglu, Y. Ma, W. Song

Materials Science and Engineering A, 766 (2019), 138371

Insight into hydrogen effect on a dual phase medium-Mn steel revealed by in-situ nanoindentation test

X. Lu, Y. Ma, M. Zamanzade, Y. Deng, D. Wang, W. Bleck, W. Song, A. Barnoush

International Journal of Hydrogen Energy, 44 (2019), 20545–20551

2018

Recrystallization behavior in a low-density high-Mn high-Al austenitic steel undergone thin strip casting process

F. Ji, W. Song, Y. Ma, C. Li, W. Bleck, G. Wang

Materials Science and Engineering A, 733 (2018), 87–97

Strain aging behavior of an austenitic high-Mn steel

S. Wesselmecking, W. Song, Y. Ma, T. Roesler, H. Hofmann, W. Bleck

Steel Research International, 89 (2018), 1700515

Influence of intercritical annealing temperature on microstructure and mechanical properties of a cold-rolled medium-Mn steel

Y. Ma, W. Song, S. Zhou, A. Schwedt, W. Bleck

Metals, 8 (2018), 357

Multiphase-field simulation of cementite precipitation during isothermal lower bainitic transformation

W. Song, U. Prahl, Y. Ma, W. Bleck

Steel Research International, 89 (2018), 1800028

2017

Investigation of the microstructure evolution in a Fe-17Mn-1.5Al-0.3C steel via in situ synchrotron X-ray diffraction during a tensile test

Y. Ma*, W. Song, W. Bleck

Materials, 10 (2017), 1129

Medium-manganese steels processed by austenite-reverted-transformation annealing for automotive applications (Review)

Y. Ma*

Materials Science and Technology, 33 (2017), 1713–1727

The TRIP effect and its application in cold formable sheet steels (Review)

W. Bleck, X. Guo, Y. Ma

Steel Research International, 88 (2017), 1700218