2026 Aleksander Kostka: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	52	9445	9119	530	514	217	12770

Overview

Aleksander Kostka is affiliated with Ruhr University Bochum in Germany and has an extensive research profile centered around engineering and materials science. Their work encompasses various subfields including mechanical engineering, materials chemistry, biomedical engineering, electrical and electronic engineering, and aerospace engineering. The scholar's research themes reflect a broad focus on advanced materials and their performance under different conditions.

Kostka's publications show particular expertise in the following topics:

High Entropy Alloys Studies
Advanced Materials Characterization Techniques
High Temperature Alloys and Creep
High-Temperature Coating Behaviors
Metal and Thin Film Mechanics
Microstructure and Mechanical Properties of Steels
Electrocatalysts for Energy Conversion

The list of recent scholarly papers includes:

Laser metal deposition of refractory high-entropy alloys for high-throughput synthesis and structure-property characterization, 2020, International Journal of Extreme Manufacturing
Revealing Dynamic Surface and Subsurface Reconstruction of High-Entropy Alloy Electrocatalysts during the Oxygen Evolution Reaction at the Atomic Scale, 2024, ACS Catalysis
Quantitative analysis of grain boundary diffusion, segregation and precipitation at a sub-nanometer scale, 2021, Acta Materialia
Influence of the PTFE Membrane Thickness on the CO₂ Electroreduction Performance of Sputtered Cu-PTFE Gas Diffusion Electrodes, 2021, ChemElectroChem
Spinodal decomposition versus classical γ' nucleation in a nickel-base superalloy powder: An in-situ neutron diffraction and atomic-scale analysis, 2020, Acta Materialia

Frequent co-authors collaborating with Kostka are:

Alfred Ludwig
Anjana Devi
Detlef Rogalla
Guillaume Laplanche
Gunther Eggeler

Kostka's research has been published repeatedly in several respected venues, including:

Advanced Materials Interfaces
SSRN Electronic Journal
Acta Materialia
Journal of Alloys and Compounds
Scripta Materialia

Best Publications

Reasons for the superior mechanical properties of medium-entropy CrCoNi compared to high-entropy CrMnFeCoNi

G. Laplanche;A. Kostka;C. Reinhart;J. Hunfeld

1249
Citations
Microstructure evolution and critical stress for twinning in the CrMnFeCoNi high-entropy alloy

G. Laplanche;A. Kostka;O.M. Horst;G. Eggeler

1141
Citations
Design of a twinning-induced plasticity high entropy alloy

Yun Deng;Yun Deng;Cemal Cem Tasan;Konda Gokuldoss Pradeep;Konda Gokuldoss Pradeep;Hauke Springer

867
Citations
Degradation Mechanisms of Pt/C Fuel Cell Catalysts under Simulated Start–Stop Conditions

Josef C. Meier;Carolina Galeano;Ioannis Katsounaros;Angel A. Topalov

618
Citations
On the formation and growth of intermetallic phases during interdiffusion between low-carbon steel and aluminum alloys

H. Springer;A. Kostka;E.J. Payton;D. Raabe

553
Citations
On the contribution of carbides and micrograin boundaries to the creep strength of tempered martensite ferritic steels

Aleksander Kostka;Kwan Tak;Ralph Hellmig;Yuri Estrin

346
Citations
Segregation stabilizes nanocrystalline bulk steel with near theoretical strength.

Yujiao Li;Yujiao Li;Dierk Raabe;Michael Herbig;Pyuck-Pa Choi

331
Citations
Phase stability and kinetics of σ-phase precipitation in CrMnFeCoNi high-entropy alloys

G. Laplanche;S. Berglund;C. Reinhart;A. Kostka

327
Citations
Hierarchical microstructure of explosive joints: Example of titanium to steel cladding

J. Song;A. Kostka;M. Veehmayer;D. Raabe

309
Citations
Smaller is less stable: Size effects on twinning vs. transformation of reverted austenite in TRIP-maraging steels

Meimei Wang;Cemal Cem Tasan;Dirk Ponge;Aleksander Kostka

308
Citations
Microstructural evolution of a Ni-based superalloy (617B) at 700 °C studied by electron microscopy and atom probe tomography

Darius Tytko;Pyuck-Pa Choi;Jutta Klöwer;Aleksander Kostka

295
Citations
Influence of intermetallic phases and Kirkendall-porosity on the mechanical properties of joints between steel and aluminium alloys

Hauke Springer;Aleksander Kostka;J.F. dos Santos;Dierk Raabe

293
Citations
Stability investigations of electrocatalysts on the nanoscale

Josef C. Meier;Ioannis Katsounaros;Carolina Galeano;Hans J. Bongard

290
Citations
Microstructure of friction stir welding of aluminium alloy to magnesium alloy

A. Kostka;R.S. Coelho;J. dos Santos;A.R. Pyzalla

267
Citations
Metallic composites processed via extreme deformation: Toward the limits of strength in bulk materials

Dierk Raabe;Pyuck-Pa Choi;Yujiao Li;Aleksander Kostka

222
Citations
Friction-stir dissimilar welding of aluminium alloy to high strength steels: Mechanical properties and their relation to microstructure

R. S. Coelho;R. S. Coelho;A. Kostka;J. F. dos Santos;A. Kaysser-Pyzalla;A. Kaysser-Pyzalla

216
Citations
The nucleation of Mo-rich Laves phase particles adjacent to M23C6 micrograin boundary carbides in 12% Cr tempered martensite ferritic steels

Mehmet Ikbal Isik;Aleksander Kostka;Aleksander Kostka;Victoria A. Yardley;Konda Gokuldoss Pradeep;Konda Gokuldoss Pradeep

191
Citations
On the nucleation of Laves phase particles during high-temperature exposure and creep of tempered martensite ferritic steels

M. I. Isik;A. Kostka;G. Eggeler

182
Citations
Advanced Scale Bridging Microstructure Analysis of Single Crystal Ni-Base Superalloys†

Alireza B. Parsa;Philip Wollgramm;Hinrich Buck;Christoph Somsen

167
Citations
Microstructure and mechanical properties of magnesium alloy AZ31B laser beam welds

R. S. Coelho;A. Kostka;H. Pinto;S. Riekehr

152
Citations