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RUB, MarquardProf. Dr.-Ing. Jan Frenzel
Institute of Materials
Ruhr-Universität Bochum
IC 04-323
Universitätsstr. 150
44801 Bochum
Tel.: +49 234 32 22547
E-Mail: jan.a.frenzel@rub.de
Competences
Shape memory alloys
Processing of materials
Correlation between microstructures and properties of modern engineering materials
- A. Grünebohm, A. Hütten, J. Frenzel, I. Eremin, et al.
A unifying perspective of common motifs that occur across disparate classes of materials harboring displacive phase transitions. Advanced Energy Materials, tbc, 2300754, (2023) - C. Lauhoff, A. Paulsen, J. Frenzel, G. Eggeler, T. Niendorf
A novel thermo-mechanical processing route exploiting abnormal grain growth in Heusler-type Co–Ni–Ga shape memory alloys. Metallurgical and Materials Transactions A, 53, 4139–4142, (2022) - V. Khalili, C. Sengstock, J. Pfetzing-Micklich, J. Frenzel
Exploring MgO/HA ceramic nano-composites for biodegradable implants: Exploring biological properties and micromechanics. Surface and Coatings Technology, 445, 128730, (2022) - A. Kunzmann, J. Frenzel, K. Nielsch, G. Eggeler, G. Schierning
The role of electrons during the martensitic phase transformation in NiTi-based shape memory alloys. Materials Today Physics, 24, 100671, (2022) - F. Scholz, M. Cevik, P. Hallensleben, P. Thome, et al.
A 3D analysis of dendritic solidification and mosaicity in Ni-based single crystal superalloys. Materials, 14, 4904, (2021) - A. Paulsen, H. Dumlu, D. Piorunek, J. Frenzel, G. Eggeler
Laboratory-scale processing and performance assessment of Ti–Ta high-temperature shape memory spring actuators. Shape Memory and Superelasticity, 7, 222–234, (2021) - F. Habiyaremye, F. Scholz, M. Schneider, J. Frenzel, G. Laplanche
Plasticity induced by nanoindentation in a CrCoNi medium-entropy alloy studied by accurate electron channeling contrast imaging revealing dislocation-low angle grain boundary interactions. Materials Science and Engineering: A, 817, 141364, (2021) - D. Piorunek, J. Frenzel, A. Kostka, G. Eggeler
Effect of off-stoichiometric compositions on microstructures and phase transformation behavior in Ni-Cu-Pd-Ti-Zr-Hf high entropy shape memory alloys. Journal of Alloys and Compounds, 857, 157467, (2021) - V. Khalili, J. Frenzel, G. Eggeler
Degradation behavior of the MgO/HA surface ceramic nano-composites in the simulated body fluid and its use as a potential bone implant. Materials Chemistry and Physics, 258, 123965, (2021) - V. Khalili, B. Ruttert, J. Frenzel, W. Theisen, G. Eggeler
Surface metal matrix nano-composite of magnesium/hydroxyapatite produced by stir-centrifugal casting. Surface and Coatings Technology, 406, 126654, (2021) - T. Kalfhaus, H. Schaar, J. Frenzel, I. Steinbach, et al.
Path to single-crystalline repair and manufacture of Ni-based superalloy using directional annealing. Surface and Coatings Technology, 405, 126494, (2021) - O. M. Horst, P. Thome, R. Singer, J. Frenzel, G. Eggeler
On the influence of alloy composition on creep behavior of Ni-Based single-crystal superalloys (SXs). Superalloys 2020, 60-70, (2020) - J. He, P. Thome, J. Frenzel, G. Eggeler, B. Gault
On the rhenium segregation at the low angle grain boundary in a single crystal Ni-base superalloy. Scripta Materialia, 185, 88-93, (2020) - D. Piorunek, J. Frenzel, C. Somsen, G. Eggeler
Chemical complexity, microstructure and martensitic transformation in high entropy shape memory alloys. Intermetallics, 122, 106792, (2020) - J. Frenzel
On the importance of structural and functional fatigue in shape memory technology. Shape Memory and Superelasticity, 6, 213-222, (2020) - C. Hinte, J. Frenzel, H. Maier
The effect of increasing chemical complexity on the mechanical and functional behavior of NiTi-related shape memory alloys. Shape Memory and Superelasticity, 6, 181-190, (2020) - D. Naujoks, J. Pfetzing-Micklich, A. Subramanyam, T. Hammerschmidt, et al.
Experimental and theoretical investigation on phase formation and mechanical properties in Cr-Co-Ni alloys processed using a novel thin-film quenching technique. ACS Combinatorial Science, 22, 232-247, (2020) - C. Picornell, J. Pons Morro, A. Paulsen, J. Frenzel
Burst-like reverse martensitic transformation during heating, cooling and under isothermal conditions in stabilized Ni-Ti-Nb. Scripta Materialia, 180, 23-28, (2020) - F. Pöhl, C. Hardes, J. Frenzel
Orientation-dependent deformation behavior of 316L steel manufactured by laser metal deposition and casting under local scratch and indentation load. Materials, 13, 1765, (2020) - G. Laplanche, M. Schneider, J. Frenzel, G. Eggeler, J. Schreuer
Processing of a single-crystalline CrCoNi medium-entropy alloy and evolution of its thermal expansion and elastic stiffness coefficients with temperature. Scripta Materialia, 177, 44-48, (2020) - P. Thome, S. Medghalchi, J. Frenzel, J. Schreuer, G. Eggeler
Ni-base superalloy single crystal (SX) mosaicity characterized by the Rotation Vector Base Line Electron Back Scatter Diffraction (RVB-EBSD) method. Ultramicroscopy, 206, 112817, (2019) - A. Ferrari, A. Paulsen, D. Langenkämper, C. Somsen, et al.
Discovery of omega-free high-temperature Ti-Ta-X shape memory alloys from first principles calculations. Physical Review Materials, 3, 103605, (2019) - A. Ferrari, A. Paulsen, D. Langenkämper, C. Somsen, et al.
Discovery of ω-free high-temperature Ti-Ta-X shape memory alloys from first-principles calculations. Physical Review Materials, 3, 103605, (2019) - T. Kalfhaus, T. Hammerschmidt, J. Frenzel, R. Drautz, et al.
Repair of Ni-based single-crystal superalloys using vacuum plasma spray. Materials and Design, 168, 107656, (2019) - D. Langenkämper, A. Paulsen, C. Somsen, J. Frenzel, G. Eggeler
On the Oxidation behavior and Its Influence on the martensitic transformation of Ti-Ta high temperature shape memory alloys. Shape Memory and Superelasticity, 5, 63-72, (2019) - A. Ferrari, P. Kadletz, T. Chakraborty, Y. Motemani, et al.
Reconciling experimental and theoretical data in the structural analysis of Ti-Ta shape memory alloys. Shape Memory and Superelasticity, 5, 6-15, (2019) - P. Hallensleben, H. Schaar, I. Steinbach, G. Eggeler, J. Frenzel
On crystal mosaicity in single crystal Ni-based superalloys. Crystals, 9, 149, (2019) - A. Paulsen, J. Frenzel, D. Langenkämper, R. Rynko, et al.
A kinetic study on the evolution of martensitic transformation behavior and microstructures in Ti-Ta high temperature shape memory alloys during aging. Shape Memory and Superelasticity, 5, 16-31, (2019) - A. Weiser, J. Frenzel, A. Dlouhy
Strength of hydrogen-free and hydrogen-doped Ni50Ti50 shape memory platelets. Scripta Materialia, 162, 151-155, (2019) - P. Krooß, A. Paulsen, J. Frenzel, C. Somsen, et al.
Impact of heating-cooling rates on the functional properties of Ti-20-Ta-5Al high-temperature shape memory alloys. Shape Memory and Superelasticity, 5, 95-105, (2019) - M. Markl, A. Müller, N. Ritter, H. Schaar, et al.
Development of single-crystal Ni-base superalloys based on multi-criteria numerical optimization and efficient use of refractory elements. Metallurgical and Materials Transactions A, 49, 4134-4145, (2018) - A. Ferrari, A. Paulsen, J. Frenzel, J. Rogal, et al.
Unusual composition dependence of transformation temperatures in Ti-Ta-X shape memory alloys. Physical Review Materials, 2, 073609, (2018) - S. Kirsch, A. Wieczorek, J. Frenzel, G. Eggeler
NiTi-based elastocaloric cooling on the macroscale: From basic concepts to realization. Energy Technology, 6, 1567-1587, (2018) - J. Frenzel, G. Eggeler, E. Quandt, S. Seelecke
High-performance elastocaloric materials for the engineering of bulk- and micro-cooling devices. Materials Research Society, 43, 280-284, (2018) - J. Burow, J. Frenzel, C. Somsen, E. Prokofiev, G. Eggeler
Grain nucleation and growth in deformed NiTi shape memory alloys: An in situ TEM study. Shape Memory and Superelasticity, 3, 347–360, (2017) - P. Hallensleben, H. Schaar, P. Thome, A. Jafarizadeh, et al.
On the evolution of cast microstructures during processing of single crystal Ni-base superalloys using a Bridgman seed technique. Materials & Design, 128, 98-111, (2017) - H. Maier, E. Karsten, A. Paulsen, J. Frenzel, et al.
Mircrostructural evolution and functional fatigue of a Ti-25Ta high-temperature shape memory alloy. International Journal of Materials Research, 32, 4287-4295, (2017) - D. Naujoks, J. Frenzel, S. Fries, M. Palumbo, et al.
Identification of a ternary μ-phase in the Co-Ti-W system – An advanced correlative thin-film and bulk combinatorial materials investigation. Acta Materialia, 138, 100-110, (2017) - T. Ungar, J. Frenzel, G. Eggeler
On the competition between the stress-induced formation of martensite and dislocation plasticity during crack propagation in pseudoelastic NiTi shape memory alloys. Journal of Materials Research, 32, 4433-4442, (2017) - G. Laplanche, T. Birk, J. Frenzel, G. Eggeler
Effect of temperature and texture on the reorientation of martensite variants in NiTi shape memory alloys. Acta Materialia, 127, 143-152, (2017) - A. Wieczorek, J. Frenzel, M. Schmidt, B. Maaß, G. Eggeler
Optimizing Ni-Ti-based shape memory alloys for ferroic cooling. Functional Materials Letters, 10, 1740001, (2017) - V. Khalili, J. Frenzel, G. Eggeler
Bioactivity and electrochemical behavior of hydroxyapatite-silicon-multi walled carbon nano-tubes composite coatings synthesized by EPD on NiTi alloys in simulated body fluid. Materials Science and Engineering C, 71, 473-482, (2017) - W. Yang, J. Frenzel, G. Eggeler
[001] preferentially-oriented 2D tungsten disulfide nanosheets as anode materials for superior lithium storage. Journal of Materials Chemistry A, 3, 17811-17819, (2015) - J. Frenzel, A. Wieczorek, I. Opahle, B. Maaß, et al.
On the effect of alloy composition on martensite start temperatures and latent heats in Ni–Ti-based shape memory alloys. Acta Materialia, 90, 213-231, (2015) - P. Nörtershäuser, J. Frenzel, A. Ludwig, K. Neuking, G. Eggeler
The effect of cast microstructure and crystallography on rafting, dislocation plasticity and creep anisotropy of single crystal Ni-base superalloys. Materials Science and Engineering A, 626, 305-312, (2015) - X. Yan, J. Frenzel, G. Eggeler
Atomic layer-by-layer construction of Pd on nanoporous gold via underpotential deposition and displacement reaction. RSC Advances, 5, 19409-19417, (2015) - X. Chen, J. Frenzel, G. Eggeler
Multi-component nanoporous platinum-ruthenium-copper-osmium-iridium alloy with enhanced electrocatalytic activity towards methanol oxidation and oxygen reduction. Journal of Power Sources, 273, 324-332, (2015) - T. Kou, J. Frenzel, G. Eggeler
Large-scale synthesis and catalytic activity of nanoporous Cu-O system towards CO oxidation. RSC Advances, 4, 65004-65011, (2014) - C. Haberland, J. Frenzel
On the development of high quality NiTi shape memory and pseudoelastic parts by additive manufacturing. Smart Materials and Structures, 23, 104002, (2014) - T. Niendorf, J. Frenzel, G. Eggeler
On the functional degradation of binary titanium-tantalum high-temperature shape memory alloys - A new concept for fatigue life extension. Functional Materials Letters, 7, 1450042, (2014) - H. Shi, J. Frenzel
Site occupation of Nb atoms in ternary Ni-Ti-Nb shape memory alloys. Acta Materialia, 74, 85-95, (2014) - A. Janghorban, J. Pfetzing-Micklich, J. Frenzel, A. Ludwig
Investigation of the thin-film phase diagram of the Cr-Ni-Re system by high-throughput experimentation. Advanced Engineering Materials, 16, 588-593, (2014) - J. Zhang, R. Rynko, J. Frenzel, C. Somsen, G. Eggeler
Ingot metallurgy and microstructural characterization of Ti–Ta alloys. International Journal of Materials Research, 105, 156-167, (2014) - M. L. Young, J. Frenzel, G. Eggeler
Strain mapping of crack extension in pseudoelastic NiTi shape memory alloys during static loading. Acta Materialia, 61, 5800-5806, (2013) - M. Rahim, J. Frenzel, M. Frotscher, J. Pfetzing-Micklich, et al.
Bending rotation HCF testing of pseudoelastic Ni-Ti shape-memory alloys. Materialwissenschaft und Werkstofftechnik, 2013, 633-640, (2013) - H. Zheng, J. Frenzel
Composition-dependent crystal structure and martensitic transformation in Heusler Ni-Mn-Sn alloys. Acta Materialia, 61, 4648-4656, (2013) - M. Rahim, J. Frenzel, M. Frotscher, J. Pfetzing-Micklich, et al.
Impurity levels and fatigue lives of pseudoelastic NiTi shape memory alloys. Acta Materialia, 61, 3667-3686, (2013) - H. Zheng, J. Frenzel
Athermal nature of the martensitic transformation in Heusler alloy Ni-Mn-Sn. Intermetallics, 36, 90-95, (2013) - L. Agudo, P. Nörtershäuser, J. Heyer, A. Lahni, et al.
High-temperature and low-stress creep anisotropy of single-crystal superalloys. Acta Materialia, 61, 2926-2943, (2013) - T. Habijan, J. Frenzel, M. Köller
The biocompatibility of dense and porous Nickel-Titanium produced by selective laser melting. Materials Science & Engineering C, 33, 419-426, (2013) - Z. Zhang, J. Frenzel, G. Eggeler
Dealloying strategy to fabricate ultrafine nanoporous gold-based alloys with high structural stability and tunable magnetic properties. CrystEngComm, 14, 8292-8300, (2012) - C. Haberland, J. Frenzel
On the properties of ni-rich NiTi shape memory parts produced by Selective Laser Melting. Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, 97-104, (2012) - M. L. Young, J. Frenzel
Cast-replicated NiTiCu foams with superelastic properties. Metallurgical and Materials Transactions A, 43, 2939-2944, (2012) - H. Manzano, J. Frenzel
Do cement nanotubes exist?. Advanced Materials, 24, 3239-3245, (2012) - F. Otto, E. Payton, J. Frenzel, G. Eggeler
The effectiveness of coincidence site lattice criteria in predicting creep cavitation resistance. Journal of Materials Science, 47, 2915-2927, (2012) - D. Wu, J. Frenzel, G. Eggeler
Atomic ordering effect in Ni50Mn37Sn13 magnetocaloric ribbons. Materials Science & Engineering A, 534, 568-572, (2012) - F. Otto, G. B. Viswanathan, E. Payton, J. Frenzel, G. Eggeler
On the effect of grain boundary segregation on creep and creep rupture. Acta Materialia, 60, 2982–2998, (2012) - H. Meier, J. Frenzel
Structural and functional properties of NiTi shape memory alloys produced by Selective Laser Melting. Innovative Developments on Virtual and Physical Prototyping, 291-296, (2011) - H. Zheng, J. Frenzel, G. Eggeler
Martensitic transformation in rapidly solidified Heusler Ni49Mn39Sn12 ribbons. Acta Materialia, 59, 5692-5699, (2011) - F. Otto, J. Frenzel, G. Eggeler
On the evolution of microstructure in oxygen-free high conductivity copper during thermo-mechanical processing using rotary swaging. International Journal of Materials Research, 102, 363-370, (2011) - J. Frenzel, J. A. Burow, G. Eggeler
Improvement of NiTi shape memory actuator performance through ultra-fine grained and nanocrystalline microstructures. Advanced Engineering Materials, 13, 256-268, (2011) - F. Otto, J. Frenzel, G. Eggeler
On the influence of small quantities of Bi and Sb on the evolution of microstructure during swaging and heat treatments in copper. Journal of Alloys and Compounds, 509, 4073-4080, (2011) - X. Wang, J. Frenzel, G. Eggeler
Length-scale modulated and electrocatalytic activity enhanced nanoporous gold by doping. Journal of Physical Chemistry C, 115, 4456-4465, (2011) - F. Otto, J. Frenzel, G. Eggeler
On the influence of small quantities of Bi and Sb on the evolution of microstructure during swaging and heat treatments in copper. Journal of Alloys and Compounds, 509, 4073-4080, (2011) - H. Ji, J. Frenzel, G. Eggeler
An ultrafine nanoporous bimetallic Ag–Pd alloy with superior catalytic activity. CrystEngComm, 12, 4059-4062, (2010) - Z. Zhang, J. Frenzel
Ancient technology/novel nanomaterials: casting titanium carbide nanowires. CrystEngComm, 12, 2835-2840, (2010) - E. A. Prokofiev, J. Frenzel, G. Eggeler
Suppression of Ni4Ti3 precipitation by grain size refinement in Ni-rich NiTi shape memory alloys. Advanced Engineering Materials, 12, 747-753, (2010) - M. F.-X. Wagner, J. Frenzel, C. Somsen, G. Eggeler
Effect of low-temperature precipitation on the transformation characteristics of Ni-rich NiTi shape memory alloys during thermal cycling. Intermetallics, 18, 1172-1179, (2010) - R. Zarnetta, J. Frenzel, G. Eggeler, A. Ludwig
Identification of quaternary shape memory alloys with near-zero thermal hysteresis and unprecedented functional stability. Advanced Functional Materials, 20, 1917-1923, (2010) - J. Frenzel, E. George, A. Dlouhy, C. Somsen, G. Eggeler
Influence of Ni on martensitic phase transformations in NiTi shape memory alloys. Acta Materialia, 58, 3444-3458, (2010) - M. L. Young, J. Frenzel, G. Eggeler
Phase volume fractions and strain measurements in an ultrafine-grained NiTi shape-memory alloy during tensile loading. Acta Materialia, 58, 2344-2354, (2010) - J. Pfetzing-Micklich, M. F.-X. Wagner, J. Frenzel, G. Eggeler
Nanoindentation of a pseudoelastic NiTiFe shape memory alloy. Advanced Engineering Materials, 12, 13-19, (2010) - C. Grossmann, J. Frenzel, G. Eggeler
Elementary transformation and deformation processes and the cyclic stability of NiTi and NiTiCu shape memory spring actuators. Metallurgical and Materials Transactions A, 40, 2530-2544, (2009) - H. Meier, J. Frenzel
Selective Laser Melting of NiTi shape memory components. Innovative Developments in Design and Manufacturing: Advanced Research in Virtual and Rapid Prototyping, 233-238, (2009) - R. Zarnetta, J. Frenzel, G. Eggeler, A. Ludwig
R-phase formation in Ti39Ni45Cu16 shape memory thin films and bulk alloys discovered by combinatorial methods. Acta Materialia, 57, 4169-4177, (2009) - Z. Zhang, J. Frenzel
Generalized fabrication of nanoporous metals (Au, Pd, Pt, Ag, and Cu) through chemical dealloying. Journal of Physical Chemistry C, 113, 12629-12636, (2009) - H. Zheng, J. Pfetzing-Micklich, J. Frenzel, G. Eggeler
Nanoindentation of Ti50Ni48Fe2 and Ti50Ni40Cu10 shape memory alloys. International Journal of Materials Research, 100, 594-602, (2009) - I. Saldan, J. Frenzel
Surface of Ti-Ni alloys after their preparation. Journal of Alloys and Compounds, 470, 568-573, (2009) - S. Gollerthan, J. Frenzel, G. Eggeler
Fracture mechanics and microstructure in NiTi shape memory alloys. Acta Materialia, 57, 1015-1025, (2009) - J. Pfetzing-Micklich, M. F.-X. Wagner, J. Frenzel, C. Somsen, G. Eggeler
Thermomechanical constraints on pseudoelasticity during nanoindentation of binary and ternary NiTi(Fe) alloys. TMS, 639-644, (2009) - B. Maass, J. Frenzel, G. Eggeler
On the influence of crystal defects on the functional stability of NiTi based shape memory alloys. Proceedings of the 8th European Symposium on Martensitic Transformations ESOMAT 2009, 02022, (2009) - F. Otto, J. Frenzel, G. Eggeler
Strukturbildungsprozesse bei der thermomechanischen Behandlung von Kupfer durch Rundkneten. Metall, 62, 612, (2008)
- 28.09.2022
Jan Frenzel, Gunther Eggeler
Structural and functional fatigue in shape memory alloys invited
MSE 2022, Darmstadt, Germany - 25.09.2022
Oluwabi Oluwaseyi, Jan Frenzel, Gunther Eggeler
Atomic mobilities and martensitic transformations in NiTi-based shape memory alloys with chemical gradients
MSE 2022, Darmstadt, Germany - 22.09.2022
Pascal Thome, Felicitas Scholz, A. Richter, Jan Frenzel, Gunther Eggeler
3D dendrite growth in Ni-base SXs analyzed using microstructure informatics
EuroSuperalloys 2022, Bamberg, Germany - 19.09.2022
F. Werner, A. Richter, Felicitas Scholz, Pascal Thome, et al.
Effects of single crystal growth techniques on dendritic microstructures and small angle misorientation defects in Ni-based superalloys
EuroSuperalloys 2022, Bamberg, Germany - 09.09.2022
Jan Frenzel, D. Piorunek, Oluwabi Oluwaseyi, Gunther Eggeler
Microstructures and martensitic transformations in high entropy shape memory alloys – effects of chemical complexity and off-stoichiometry
ESOMAT 2022, Ankara, Turkey - 05.09.2022
N. Stötzel, Jan Frenzel, Gunther Eggeler
Coupled functional structural fatigue of NiTi-based shape memory alloys – degradation mechanisms, damage accumulation and fatigue lives
ESOMAT 2022, Ankara, Turkey - 21.05.2022
Oluwabi Oluwaseyi, Jan Frenzel, Gunther Eggeler
Effects of chemical complexity on microstructures, martensitic transformations and atomic mobilities
HEAs Symposium, Ruhr-Universität Bochum, Germany - 19.05.2022
Jan Frenzel, André Wieczorek, Gunther Eggeler
Effect of alloy compositions and microstructures of NiTi-based shape memory alloys on elastocaloric cooling performance invited
SMST 2022, Carlsbad, CA, USA - 17.05.2022
Oluwabi Oluwaseyi, Jan Frenzel, Gunther Eggeler
Effects of off-stoichiometric compositions on microstructures and martensitic phase transformations in Ni-Cu-Pd-Ti-Zr-Hf high entropy shape memory alloys
SMST 2022, Carlsbad, California, USA - 16.05.2022
Jan Frenzel
Fundamentals of shape memory alloys invited
SMST 2022 Workshop, Carlsbad, CA, USA - 29.03.2022
Jan Frenzel, Oluwabi Oluwaseyi, D. Piorunek, Gunther Eggeler
Microstructures, martensitic transformations and atomic mobilities in high entropy shape memory alloys invited
DGM workshop Functional Materials, Bochum, Germany - 28.03.2022
Pascal Thome, Felicitas Scholz, Gunther Eggeler, Jan Frenzel
Single crystal cast microstructures characterized by the RVB-EBSD method
TMS 2022, Anaheim, California, USA - 17.03.2022
Jan Frenzel, Alexander Paulsen, Gunther Eggeler
Recent progress on Ti-Ta-based high temperature shape memory alloys
ICMAT 2022, online event - 28.02.2022
Felicitas Scholz, Pascal Thome, Jan Frenzel, Gunther Eggeler
3D characterization of competitive dendrite growth and on the role of low angle grain boundaries during solidification of single crystal Ni-based superalloys
TMS 2022, Anaheim California, USA - 25.02.2022
Jan Frenzel
Using shape memory alloys for cooling processes
Materials for Energy Conference, UA Ruhr, online event - 19.03.2021
Oliver Horst, S. Ibrahimkhel, J. Streitberger, N. Wochmjakow, et al.
On the influence of alloy composition on creep behavior of Ni-based single crystal (SX) superalloy
Superalloys 2021, online event - 17.03.2021
Pascal Thome, Felicitas Scholz, A. Richter, Jan Frenzel, Gunther Eggeler
Using the new rotation vector base line electron back scatter diffraction (RVB-EBSD) method to characterize single crystal cast microstructures
TMS 2021, online event - 15.03.2021
Felicitas Scholz, J. He, Oliver Horst, Pascal Thome, et al.
Crystal mosaicity and local alloy chemistry of low angle grain boundaries in Ni-based superalloys
TMS 2021, online event - 25.02.2020
Felicitas Scholz, Daniel Kotzem, Pascal Thome, Jan Frenzel, Gunther Eggeler
3D characterization of the evolution of crystal mosaicity during solidification of single crystal Ni-based superalloys
TMS 2020, San Diego, USA - 24.02.2020
Pascal Thome, Bahareh Medghalchi, Felicitas Scholz, Gunther Eggeler, Jan Frenzel
Using the new rotation vector base line electron back scatter diffraction (RVB-EBSD) method to characterize single crystal cast microstructures
TMS 2020, San Diego, USA - 24.02.2020
Jan Frenzel, Philipp Hallensleben, Felicitas Scholz, Pascal Thome, Gunther Eggeler
Crystal mosaicity in single crystal Ni-based superalloys invited
TMS 2020, San Diego, USA - 21.01.2020
Jan Frenzel
Cross-correlation EBSD und high-quality Kikuchi-pattern – Neue Entwicklungen im Bereich der Elektronenrückstreubeugung invited
TU Chemnitz, Germany - 19.12.2019
Jan Frenzel
Neue Entwicklungen im Bereich der Elektronenrückstreubeugung invited
Jahresabschluss-Symposion des Instituts für Werkstoffe, Ruhr-Universität Bochum, Germany - 14.05.2019
Jan Frenzel
Recent progress on Ti-Ta shape memory alloys invited
SMST 2019, Konstanz, Germany - 13.05.2019
Jan Frenzel
Introduction to shape memory and superelasticity invited
SMST 2019, Workshop, Konstanz, Germany - 06.05.2019
Jan Frenzel, André Wieczorek, Gunther Eggeler
Kühlen mit Formgedächtnislegierungen
Bokomat 2019, Ruhr-Universität Bochum, Germany - 16.03.2015
Ingo Opahle, Jan Frenzel, André Wieczorek, Burkhard Maaß, et al.
Density functional investigations on the effect of Ni excess in binary Ni-Ti shape memory alloys
DPG Spring Meeting 2015, Berlin, Germany - 19.09.2014
Jan Frenzel, Mustafa Rahim, André Wieczorek, Matthias Frotscher, et al.
Zum Einfluss von Karbiden und Oxiden auf die Ermüdungslebensdauer von NiTi
Bokomat - 5. Bochumer Kolloquium für martensitische Transformation, Bochum, Germany - 15.05.2014
Jan Frenzel, André Wieczorek, Burkhard Maaß, Mustafa Rahim, et al.
On the effects of alloy composition on martensitic transformation in NiTi-based shape memory alloys invited
SMST Conference 2014, Asilomar/Pacific Grove, USA - 12.05.2014
Jan Frenzel
Introduction to shape memory and pseudoelasticity invited
SMST Conference 2014, Educational Workshop, Asilomar/Pacific Grove, USA - 06.11.2013
Jan Frenzel, J. Burow, Christoph Somsen, Gunther Eggeler
On the effects of ultra-fine grain sizes on martensitic transformations in NiTi shape memory alloys
Materials Day 2013, Ruhr-Universität Bochum, Bochum, Germany - 03.10.2013
Jan Frenzel, Gunther Eggeler
Using advanced ingot metallurgy to contribute to a better understandingof NiTi-based shape-memory alloys
DGM Intermetallics 2013, Bad Staffelstein, Germany - 03.10.2013
Mustafa Rahim, Jan Frenzel, Matthias Frotscher, Janine Pfetzing-Micklich, et al.
On the influence of inclusions on the fatigue life of pseudoelastic NiTi shape-memory alloys
DGM Intermetallics 2013, Bad Staffelstein, Germany - 16.08.2013
Jan Frenzel, Gunther Eggeler
On the effect of crystallographic compatibility between austenite and martensite on functional fatigue in NiTi shape memory alloys invited
Centro Atomico de Baroliche, Bariloche, Argentina - 29.07.2013
Jan Frenzel
From martensitic transformation to ferroelastic cooling
Ferroic Cooling Convent, Franken-Akademie Schloss Schney, Lichtenfels, Germany - 22.05.2013
Jan Frenzel, Burkhard Maaß, Stefanie Jaeger, Gunther Eggeler
On the effect of crystallographic compatibility on functional stability of NiTi shape memory alloys invited
SMST Conference 2013, Prague, Czech Republic - 21.05.2013
Mustafa Rahim, Jan Frenzel, Matthias Frotscher, Janine Pfetzing-Micklich, et al.
On the effect of particles on structural fatigue of Ni-Ti shape-memory alloys
International Conference on Shape Memory and Superelastic Technologies 2013, Prague, Czech Republic - 21.05.2013
A. Cox, T. Baxevanis, Dimitris Lagoudas, Mustafa Rahim, et al.
Finite element analysis on the driving force for fatigue crack formation near particle/void assemblies in Ni-Ti SMAs
International Conference on Shape Memory and Superelastic Technologies 2013, Prague, Czech Republic - 21.05.2013
Ramona Rynko, Alexander Paulsen, Junjie Zhang, Jan Frenzel, et al.
Processing and microstructures of Ti-Ta high temperature shape-memory alloys
International Conference on Shape Memory and Superelastic Technologies 2013, Prague, Czech Republic - 20.05.2013
Jan Frenzel
Introduction to shape memory and pseudoelasticity invited
SMST Conference 2013, Prague, Czech Republic - 07.05.2013
Jan Frenzel, Gunther Eggeler
Using advanced ingot metallurgy to contribute to a better understanding of NiTi shape-memory alloys
ICAMS² 2013, International Colloquium on Advanced Materials Simulation, Bochum, Germany - 12.04.2013
Mustafa Rahim, Jan Frenzel, Matthias Frotscher, R. Steegmüller, et al.
On the influence of inclusions on fatigue crack growth of pseudoelastic shape memory alloys
Frühjahressitzung der DGM/DVM-AG Materialermüdung 2013, Stuttgart, Germany - 05.11.2012
Mustafa Rahim, A. Cox, Jan Frenzel, Matthias Frotscher, et al.
On the effect of inclusions on structural fatigue of NiTi-shape memory alloys
ICAMS Advanced Discussions, Bochum, Germany - 11.10.2012
Mustafa Rahim, Jan Frenzel, Matthias Frotscher, R. Steegmüller, et al.
Einfluss von Ti2Ni und TiC auf die Ermüdungslebensdauer pseudoelastischer NiTi-Formgedächtnislegierungen
Herbstsitzung der DGM/DVM-AG, Duisburg, Germany - 11.09.2012
Mustafa Rahim, Jan Frenzel, Z. Zhang, Gunther Eggeler
On the effect of particles on structural fatigue of pseudoelastic NiTi shape-memory alloys
Esomat 2012, St. Petersburg, Russia - 29.05.2012
Philipp Nörtershäuser, Jan Frenzel, Gunther Eggeler
Rafting during tensile creep in [001] and [110] directions
12th International Conference on Creep and Fracture of Engineering Materials and Structures, Kyoto, Japan - 05.01.2012
Jan Frenzel, Gunther Eggeler
Functional fatigue of NiTi based shape-memory spring actuators
International Symposium on Plasticity 2012, San Juan, USA - 05.01.2012
Mustafa Rahim, J. Burow, Jan Frenzel, Christoph Somsen, Gunther Eggeler
Microstructural evolution during thermomechanical treatments of pseudoelastic NiTi-shape memory alloys
International Symposium on Plasticity 2012, San Juan, USA - 07.11.2011
Mustafa Rahim, Jan Frenzel, Gunther Eggeler
A review on inclusions in NiTi shape memory alloys
International Conference on Shape Memory and Superelastic Technologies 2011, Hongkong, China - 09.10.2011
Janine Pfetzing-Micklich, Steffen Brinckmann, Jan Frenzel, Alexander Hartmaier, Gunther Eggeler
Micro-shear deformation of fcc crystals
ECI Conference on Nanomechanical Testing 2011, Lanzarote, Spain - 04.10.2011
Mustafa Rahim, Jan Frenzel, Gunther Eggeler
Einfluss von Herstellungsverfahren und –parametern auf die Ermüdungslebensdauer pseudoelastischer NiTi-Formgedächtnislegierungen im Bereich hoher Lastwechselzahlen
Herbstsitzung der DGM/DVM-AG Materialermüdung 2011, München, Germany - 16.09.2011
Mustafa Rahim, Jan Frenzel, Gunther Eggeler, Matthias Frotscher, Martin Wagner
Fatigue during pseudoelastic mechanical cycling of NiTi wires
Conclusive Workshop of SFB 459, Zentrum für IT-Sicherheit, Bochum, Germany - 10.11.2010
Frederik Otto, Jan Frenzel, Ralf Drautz, Gunther Eggeler
On the influence of grain boundary crystallography and chemistry on creep cavitation in Cu-alloys
HochSchulKupferSymposium 2010, Saarbrücken, Germany - 14.09.2010
Philipp Nörtershäuser, Jan Frenzel, Gunther Eggeler
New Results on Creep testing of Ni-Based Superalloys with Miniaturized Specimens
ECI Superalloys 2010, Ajawi Island, Japan - 26.05.2010
Philipp Nörtershäuser, Gotthard Mälzer, Jan Frenzel, Gunther Eggeler
Cast microporosity and its effect on damage accumulation and on rupture surface features of <100> LEK94 tensile specimens crept at 1020°C
Euro Superalloy 2010, Wildbad Kreuth, Germany - 12.11.2009
Dennis Peter, Jan Frenzel, Gunther Eggeler, Alexander Hartmaier
Deformation mechanisms and fracture characteristics of γ-TiAl alloys
7. Materialwissenschaftlicher Tag 2009, Bochum, Germany - 16.09.2009
Frederik Otto, G. Viswanathan, Jan Frenzel, Gunther Eggeler
Analytical high resolution STEM investigations of Bi grain boundary segregations in Cu
43. Metallographietagung der DGM, Aachen, Germany - 16.08.2009
Frederik Otto, Jan Frenzel, G. Viswanathan, Gunther Eggeler
Influence of grain boundary segregation on creep: A study in the systems Cu-Bi and Cu-Sb
15th International Conference on the Strength of Materials 2009, Dresden, Germany - 11.05.2009
Jan Frenzel
Processing, microstructures and functional fatigue of NiTi based shape memory alloys - 05.11.2008
Frederik Otto, Jan Frenzel, Gunther Eggeler
Strukturbildungsprozesse bei der thermomechanischen Behandlung von Kupfer durch Rundkneten.
Hochschulkupfersymposium 2008, München, Germany - 17.09.2008
Frederik Otto, Jan Frenzel, Gunther Eggeler
Strukturbildungsprozesse bei der thermomechanischen Behandlung von Kupfer durch Rundkneten
42. DGM Metallographietagung, Jena, Germany
Professional Experience
since 2007
Ruhr-University Bochum, Germany
Permanent position as research associate (Akademischer Rat) in the Research Group Materials Science and Engineering
2007
Northwestern University, Evanston/Chicago, Illinois, USA
Visiting researcher in the David Dunand Research Group
2006
Oak Ridge National Lab, Tennessee, USA
Visiting researcher, Material Science and Technology Division
Education
Dipl.-Ing., Mechanical Engineering (focus on Material Science), Ruhr-Universität Bochum
Dr.–Ing., Material Science, Ruhr-Universität Bochum