A5014323843- Microstructure and Mechanical Properties of Steels
- Metal Alloys Wear and Properties
- Hydrogen embrittlement and corrosion behaviors in metals
- Fatigue and fracture mechanics
- Surface Treatment and Residual Stress
- Metal and Thin Film Mechanics
- Advanced machining processes and optimization
- Magnetic Properties and Applications
- Metallurgy and Material Forming
- High Temperature Alloys and Creep
- Advanced Surface Polishing Techniques
- Microstructure and mechanical properties
- Welding Techniques and Residual Stresses
- Additive Manufacturing Materials and Processes
- Metal Forming Simulation Techniques
- Ultrasonics and Acoustic Wave Propagation
- Additive Manufacturing and 3D Printing Technologies
- High Entropy Alloys Studies
- Advanced Welding Techniques Analysis
- Aluminum Alloy Microstructure Properties
- Non-Destructive Testing Techniques
- Aluminum Alloys Composites Properties
- Material Properties and Failure Mechanisms
- Lubricants and Their Additives
- Advanced materials and composites
University of Kaiserslautern
2015-2024
Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau
2016-2024
Daimler (Germany)
2014-2024
University of Koblenz and Landau
2024
Leibniz-Institut für Verbundwerkstoffe GmbH
2024
Material Sciences (United States)
2021
Materials Science & Engineering
2008-2018
Institute of High Pressure Physics
2007
Polish Academy of Sciences
2007
Military University of Technology in Warsaw
2007
To exploit the whole potential of Additive Manufacturing, it is essential to investigate complex relationships between Manufacturing processes, resulting microstructure, and mechanical properties materials components. In present work, Selective Laser Melted (SLM) (process category: powder bed fusion), Deposition Welded (LDW) direct energy deposition) and, for comparison, Continuous Casted then hot cold drawn (CC) austenitic stainless steel AISI 316L blanks were investigated with regard their...
Electrical steels are numerously used in engineering applications. Nowadays, future challenges related to climate change and e-mobility push the boundaries higher efficiency also electrical parts. A promising material group reduce losses with high silicon contents. However, such difficult process conventional methods and, thus, additive manufacturing came into focus recent years. The present study investigates processability, crack sensitivity, microstructure evolution magnetic domain...
Solution-annealed AISI 316L steel was fatigued with constant plastic strain amplitudes at room temperature and under various conditions depressed temperatures down to 113 K reveal its stability against deformation-induced martensite formation. Microstructural changes induced by fatigue were characterized transmission electron microscopy (TEM), channeling contrast imaging (ECCI) backscattering diffraction (EBSD) techniques. Neutron magnetic induction method adopted for quantification of...
Download This Paper Open PDF in Browser Add to My Library Share: Permalink Using these links will ensure access this page indefinitely Copy URL DOI
Corrosion resistance has been the main scope of development in high-alloyed low carbon austenitic stainless steels. However, chemical composition influences not only passivity but also significantly affects their metastability and, consequently, transformation as well cyclic deformation behavior. In technical applications, steels undergo fatigue cycle (LCF), high (HCF), and very (VHCF) regime at room elevated temperatures. this context, paper focuses on behavior ambient temperature 300 °C...
Destabilization of originally fully austenitic structure and formation DIM (deformation induced martensite) were studied in SLMed 316L steels fabricated using different manufacturing systems fatigued at room temperature as-built state two laboratories (TU Kaiserslautern IPM Brno). Several microscopic techniques adopted to reveal the distribution morphology volume steels. Results microstructure investigations are confronted with ferritescope measurements taken locations specimens. Some...
The present work points out the importance of chemical heterogeneity on destabilization austenitic structure and formation deformation induced martensite (DIM) in AISI 300 grade stainless steels (ASSs) different level austenite stability (316L, 304, 301LN). Color etching reveals that wrought Cr–Ni type is never fully chemically homogeneous. Confrontation distribution morphology DIM formed volume material after static cyclic straining under well controlled conditions with characteristic local...
In recent years, deformation induced surface hardening when turning was carried out to enhance the component performance of metastable austenitic steels. To induce such a phase transformation from austenite martensite in workpiece layer, high mechanical loads and low process temperatures are required. Therefore, cryogenic CO2-snow cooling is an appropriate method assure layer. this context, influence parameters cutting speed, feed, depth cut tool edge inclination on morphology terms...
This study presents the results of a detailed investigation metastability and susceptibility to deformation induced α’-martensite formation several austenitic steels (AISI 304, AISI 321, 348 two batches from 347) in solution-annealed state. Besides conventional characterization by calculating stacking-fault energy threshold temperature (designated as M S d30 ), present work introduced new method for determining formation. The was based on dynamically applied local plastic non-destructive...
Abstract Cryogenic turning of metastable austenitic stainless steels can improve wear resistance the resulting surface due to phase transformation γ‐austenite into α’‐ and/or ϵ‐martensite in near layer. By using a cryogenic two‐step process, amount deformation‐induced α’‐martensite subsurface regime be further increased. To determine influence implemented and optimized strategy on tribological properties countersurfaces for radial shaft seals, an evaluation behavior seal countersurface as...
As the fatigue strength of materials manufactured via lase-based powder bed fusion (PBF-LB) is highly influenced by process-induced defects and "as-built" surface, in this work tests at specimens made AlSi10Mg with polished surface condition were conducted. In context also defect tolerance material, hence its ability to counteract notch effects, was analyzed. For this, a not heat-treated an artificially aged (T6) tested. specimens, high reduction due observed, while exhibit no influence...