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Johannes Lohmar
Johannes Lohmar
Senior Engineer, Institute of Metal Forming, RWTH Aachen University
Verified email at ibf.rwth-aachen.de - Homepage
Title
Cited by
Cited by
Year
Improving the thickness accuracy of cold rolled narrow strip by piezoelectric roll gap control at high rolling speed
S Stockert, M Wehr, J Lohmar, G Hirt, D Abel
CIRP Annals 67 (1), 313-316, 2018
192018
The influence of constraint rolls on temperature evolution and distribution in radial ring rolling
J Lohmar, CJ Cleaver, JM Allwood
Journal of Materials Processing Technology 282, 116663, 2020
162020
Investigations on Springback in high manganese TWIP-steels using U-profile draw bending
A Quadfasel, J Lohmar, G Hirt
Procedia engineering 207, 1582-1587, 2017
152017
Limits to making L-shape ring profiles without ring growth
CJ Cleaver, J Lohmar, S Tamimi
Journal of Materials Processing Technology 292, 117062, 2021
132021
The precise prediction of rolling forces in heavy plate rolling based on inverse modeling techniques
J Lohmar, M Bambach, G Hirt, T Kiefer, D Kotliba
Steel research international 85 (11), 1525-1532, 2014
132014
Potential and status of damage controlled forming processes
G Hirt, AE Tekkaya, T Clausmeyer, J Lohmar
Production Engineering 14, 1-4, 2020
122020
Development of levelling strategies for heavy plates via controlled FE models
M Laugwitz, S Seuren, M Jochum, S Hojda, J Lohmar, G Hirt
Procedia engineering 207, 1349-1354, 2017
122017
Influence of Process Parameters on Grain Size and Texture Evolution of Fe-3.2 wt.-% Si Non-Oriented Electrical Steels
X Wei, A Krämer, G Hirt, A Stöcker, R Kawalla, M Heller, S Korte-Kerzel, ...
Materials 14 (22), 6822, 2021
112021
Prediction and analysis of damage evolution during caliber rolling and subsequent cold forward extrusion
A Schowtjak, S Wang, O Hering, T Clausmeyer, J Lohmar, R Schulte, ...
Production Engineering 14, 33-41, 2020
112020
Model for texture evolution in cold rolling of 2.4 wt.-% Si non-oriented electrical steel
X Wei, S Hojda, J Dierdorf, J Lohmar, G Hirt
AIP Conference Proceedings 1896 (1), 2017
112017
Simulation-as-a-service for reinforcement learning applications by example of heavy plate rolling processes
C Scheiderer, T Thun, C Idzik, AF Posada-Moreno, A Krämer, J Lohmar, ...
Procedia Manufacturing 51, 897-903, 2020
102020
A new FE-model for the investigation of bond formation and failure in roll bonding processes
M Pietryga, J Lohmar, G Hirt
Materials Science Forum 854, 152-157, 2016
102016
Influence of microstructure representation on flow stress and grain size prediction in through-process modeling of AA5182 sheet production
J Lohmar, M Bambach, KF Karhausen
JOM 65, 93-98, 2013
102013
Design and application of an advanced fast rolling model with through thickness resolution for heavy plate rolling
J Lohmar, S Seuren, M Bambach, G Hirt
Ingot casting, rolling & forging : ICRF; 2nd International Conference; Milan …, 2014
92014
Influence of different interpolation techniques on the determination of the critical conditions for the onset of dynamic recrystallisation
J Lohmar, M Bambach
Materials Science Forum 762, 331-336, 2013
92013
Modelling of void healing in hot rolling due to recrystallization
X Li, C Liebsch, G Hirt, J Lohmar
Production Engineering 14, 43-52, 2020
82020
Assessment of flat rolling theories for the use in a model-based controller for high-precision rolling applications
S Stockert, M Wehr, J Lohmar, D Abel, G Hirt
AIP Conference Proceedings 1896 (1), 2017
82017
A new method to determine isothermal flow curves for integrated process and microstructural simulation in metal forming
W Xiong, J Lohmar, M Bambach, G Hirt
International Journal of Material Forming 8, 59-66, 2015
82015
Torsion plastometer trials to investigate the effect of non-proportional loading paths in caliber rolling on damage and performance of metal parts
S Wang, A Dunlap, K Möhring, J Lohmar, A Schwedt, A Aretz, F Walther, ...
Production Engineering 14, 17-32, 2020
72020
Investigation on the influence of damage on the fatigue strength of hot rolled sheet metal
C Liebsch, K Möhring, J Lohmar, F Walther, G Hirt
Production Engineering 14, 65-75, 2020
72020
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Articles 1–20