Bjoern Kiefer

Full Professor

Technische Universität Bergakademie Freiberg

Germany

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Bjoern Kiefer is a Full Professor at Technische Universität Bergakademie Freiberg in Germany. His research areas include advanced creep laws, phase-field modeling for hydrogen-promoted fracture, and the study of martensite formation in shape memory alloys. He has also contributed to the fields of high-temperature strength assessment of materials and the modeling of thermomechanical properties in refractories. His recent work emphasizes efficiency and accuracy in numerical simulations and the behavior of various materials under different conditions.

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2021

Collaborators (2)

Jürgen Maas

Fachgebietsleiter - Head of Chair

Technische Universität Berlin

GERMANY

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Oliver Rheinbach

Full Professor, Head of the University Computing Center

Technische Universität Bergakademie Freiberg

GERMANY

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Bjoern Kiefer

Research Interests

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About

Articles (25)

An advanced creep law for large stress and temperature ranges, derived from the Larson-Miller master curve concept

Phase-field modeling of hydrogen-promoted fracture: Natural incorporation of hydrostatic stress dependencies via a chemical potential-based variational formulation

A phase-field study of martensite formation in Fe–Mn–Al–Ni shape memory alloys as caused by nanoscale B2-ordered precipitate and matrix phase interplay

A comparison of classical phenomenological, hybrid neural network, and high performance ROM FE2 models for open‐cell foams: Efficiency, accuracy, and flexibility

Employing miniaturized test methods to determine high-temperature strength of carbon-bonded alumina

Geometric and Constitutive Modeling of MgO–C Refractories Based on Recyclates for Thermomechanical Simulations

Experimental and numerical investigations on the influence of crack-tip constraint on the ductile fracture behavior in nodular cast iron

Homogenization of phase transforming materials: The concept of phase-morphology and variable scale separations

Micromorphic FE2 simulation of plastic deformations of foam structures

Implementation of a finite element framework coupling chemo‐mechanics and the Gurson‐Tvergaard‐Needleman model

A novel scale-bridging method for MSMA linking continuum thermodynamics constitutive formulations to lumped system-level models

A modified Ehlers model for inelastic behavior of foam structures

A monolithic hyper ROM FE2 method with clustered training at finite deformations

Unrestricted micromorphic continuum: Curvature constraints effects

Monolithic parallel overlapping Schwarz methods in fully-coupled nonlinear chemo-mechanics problems

Flame-sprayed alumina molten metal filters for dead-mould casting application

A non-iterative parameter identification procedure for the non-local Gurson–Tvergaard–Needleman model based on standardized experiments

On the predictive capabilities of non‐local models for ductile crack propagation under different levels of stress triaxiality

A Hybrid Approach Employing Neural Networks to Simulate the Elasto−Plastic Deformation Behavior of 3D-Foam Structures

Characterization of Iron-Based Shape Memory Alloys Using the Small Punch Test

Employing phase-field descriptions of cohesive zone placements in cohesive fracture simulations

Influence of the Foam Morphology on the Mechanical Behavior of Flow-Through Foam Filters During Filtration Processes

Utilization of a Miniaturized Brazilian Disc Test for Strength Measurements of C-Bonded Alumina Filter Materials

An efficient monolithic solution scheme for FE<sup>2</sup> problems

An energy-relaxation-based framework for the modeling of magnetic shape memory alloys—Simulation of three-dimensional effects under homogeneous loading conditions

Collaborators (2)

Jürgen Maas

Oliver Rheinbach

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