Jaroslav Čapek

ORCID: 0000-0003-3481-7812
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About
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Research Areas
  • Magnesium Alloys: Properties and Applications
  • Aluminum Alloys Composites Properties
  • Corrosion Behavior and Inhibition
  • Orthopaedic implants and arthroplasty
  • Bone Tissue Engineering Materials
  • Microstructure and mechanical properties
  • Hydrogen Storage and Materials
  • Aluminum Alloy Microstructure Properties
  • Advanced materials and composites
  • High Entropy Alloys Studies
  • Additive Manufacturing Materials and Processes
  • Shape Memory Alloy Transformations
  • High-Temperature Coating Behaviors
  • Metal and Thin Film Mechanics
  • Titanium Alloys Microstructure and Properties
  • Welding Techniques and Residual Stresses
  • Metallurgy and Material Forming
  • Microstructure and Mechanical Properties of Steels
  • Metal Forming Simulation Techniques
  • Magnesium Oxide Properties and Applications
  • Metal Extraction and Bioleaching
  • Powder Metallurgy Techniques and Materials
  • High-Velocity Impact and Material Behavior
  • Surface Treatment and Residual Stress
  • Trace Elements in Health

Czech Academy of Sciences, Institute of Physics
2016-2025

Czech Academy of Sciences
2016-2025

University of Chemistry and Technology, Prague
2012-2019

Czech Academy of Sciences, Institute of Plasma Physics
2019

Institute of Chemical Technology
2015-2017

10.1016/j.msec.2012.10.002 article EN Materials Science and Engineering C 2012-10-06

In this study, advanced techniques such as atom probe tomography, atomic force microscopy, X-ray photoelectron spectroscopy, and electrochemical impedance spectroscopy were used to determine the corrosion mechanism of as-ECAPed Zn-0.8Mg-0.2Sr alloy. The influence microstructural surface features on was investigated. Despite its significance, composition before exposure is often neglected by scientific community. analyses revealed formation thin ZnO, MgO, MgCO3 layers material exposure. These...

10.1016/j.bioactmat.2023.04.012 article EN cc-by-nc-nd Bioactive Materials 2023-04-24

In this paper, selected magnesium, zinc and iron biodegradable alloys were studied as prospective biomaterials for temporary medical implants like stents fixation devices fractured bones.Mechanical properties of the characterized with hardness tensile tests.In-vitro corrosion behavior was using immersion tests in a simulated physiological solution (SPS, 9 g/L NaCl) to roughly estimate in-vivo biodegradation rates implants.It found that Mg Zn limited by strength 370 MPa, while Fe achieved 530...

10.17222/mit.2014.129 article EN cc-by Materiali in tehnologije 2015-11-18

The objective of this study is to comprehensively investigate the formation mechanism hopeite on a promising biodegradable Zn-0.8Mg-0.2Sr alloy during its self-corrosion process and subsequent influence interaction material with cells bacteria. Notably, Zn-based alloys inherently generates Zn2+ ions, eliminating necessity for additional zinc compounds in treatment. investigation focused chemical composition applied baths, exposure time, temperature, order analyze structure, quality,...

10.1016/j.surfcoat.2024.130986 article EN cc-by Surface and Coatings Technology 2024-06-06

This study explores the mechanical and corrosion properties of yttria-reinforced 316L stainless steel. Powder precursor materials were prepared using alloying. Varying yttria (Y₂O₃) content (1, 3, 5 wt%) was used to assess its impact on steel’s properties. X-ray diffraction scanning electron microscopy confirmed successful dispersion Y₂O₃ within matrix, with formation chromium carbides during spark plasma sintering (SPS). The properties, including hardness compressive yield strength,...

10.20944/preprints202501.1705.v1 preprint EN 2025-01-23

This study explores the mechanical and corrosion properties of yttria-reinforced 316L stainless steel. Powder precursor materials were prepared using alloying. Varying yttria (Y2O3) contents (1, 3, 5 wt%) used to assess its impact on steel's properties. X-ray diffraction scanning electron microscopy confirmed successful dispersion Y2O3 within matrix, with formation chromium carbides during spark plasma sintering (SPS). The properties, including hardness compressive yield strength, improved...

10.3390/ma18030641 article EN Materials 2025-01-31
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