Ingo Steinbach
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View article: Full spectrum of grain boundary energy landscape in phase-field simulation of polygrain structures
Full spectrum of grain boundary energy landscape in phase-field simulation of polygrain structures Open
In this study, we examine grain boundary energy as a function of both misorientation and inclination using a phase-field approach. Through systematic investigation of their independent and combined influence, we observe that misorientation…
View article: The interplay between the martensitic transformation rate and the rate of plastic relaxation during martensitic transformation in low-carbon steel, a phase-field study
The interplay between the martensitic transformation rate and the rate of plastic relaxation during martensitic transformation in low-carbon steel, a phase-field study Open
The complex interplay between the rapid martensitic transformation and the plastic relaxation during martensitic transformation in low-carbon steel is investigated using a combined phase-field and phenomenological crystal plasticity approa…
View article: Phase Field Simulation of Al-Fe-Mn-Si Quaternary Eutectic Solidification
Phase Field Simulation of Al-Fe-Mn-Si Quaternary Eutectic Solidification Open
This study investigates the eutectic equilibrium phases in a multicomponent system through 3-D multi-phase-field simulations. Emphasizing the directional solidification process, the work examines the growth dynamics of intermetallic phase …
View article: Morphological Instability of Kirkendall Voids: A Phase-Field Study
Morphological Instability of Kirkendall Voids: A Phase-Field Study Open
The present research explores theoretical and computational aspects of the morphological instability ofKirkendall voids induced by a directed flux of vacancies. A quantitative phase-field model is coupled witha multi-component diffusion mo…
View article: Phase-Field Modeling of Kinetics of Diffusive Phase Transformation in Compositionally-Graded Ni-Based Superalloys
Phase-Field Modeling of Kinetics of Diffusive Phase Transformation in Compositionally-Graded Ni-Based Superalloys Open
Kinetics of the $$\gamma$$ / $$\gamma ^{\prime}$$ phase transformation and the interdiffusion phenomena in single-crystal Ni-based superalloys, under isothermal annealing and composition gradient, is investigated through the phase-fi…
View article: Interface stabilization and propagation in phase field models of solidification: resolving the issue of large driving forces
Interface stabilization and propagation in phase field models of solidification: resolving the issue of large driving forces Open
One of the long-standing problems in the phase field, namely, combining the principles of thermodynamics and capillarity with the numerical aspects of interface propagation in simulations, is re-investigated. Numerical schemes are discusse…
View article: Microstructure based model for creep of single crystal superalloys in the high temperature and low stress creep regime
Microstructure based model for creep of single crystal superalloys in the high temperature and low stress creep regime Open
A new constitutive creep model for Ni-base superalloys has been developed that links the instantaneous creep response to incremental microstructure changes occurring during creep. The structure starts with cuboidal γ′- particles embedded i…
View article: Phase-field simulation framework for modeling martensite and bainite formation in steel
Phase-field simulation framework for modeling martensite and bainite formation in steel Open
In this study, we present a combination of phase evolution, chemical diffusion, temperature evolution, and finite strain elasto-plasticity to simulate the martensitic and bainitic transformation using the phase-field software library OpenP…
View article: Highly complex materials processes as understood by phase-field simulations: Additive manufacturing, bainitic transformation in steel and high-temperature creep of superalloys
Highly complex materials processes as understood by phase-field simulations: Additive manufacturing, bainitic transformation in steel and high-temperature creep of superalloys Open
Recent breakthroughs resolving open questions in materials science by phase-field simulations are reported. They relate to solidification structure formation in additive manufacturing, carbon redistribution during bainitic transformation, …
View article: Modeling vacancy-induced porosity in compositionally-graded complex alloys
Modeling vacancy-induced porosity in compositionally-graded complex alloys Open
A phase-field model of the void evolution is developed to investigate the vacancy-induced Kirkendall porosity within diffusion couples under isothermal annealing conditions. This model encapsulates a comprehensive computational framework f…
View article: Multi-phase-field approach to fracture demonstrating the role of solid-solid interface energy on crack propagation
Multi-phase-field approach to fracture demonstrating the role of solid-solid interface energy on crack propagation Open
A multi-phase-field approach for crack propagation considering the contribution of the interface energy is presented. The interface energy is either the grain boundary energy or the energy between a pair of solid phases and is directly inc…
View article: Concept of introverted space: is multidimensional, extroverted space an illusion?
Concept of introverted space: is multidimensional, extroverted space an illusion? Open
The quantum-phase-field concept of matter is revisited with special emphasis on the introverted view of space. Extroverted space surrounds physical objects, while introverted space lies in between physical objects. Space between objects le…
View article: Concept of introverted space: is extroverted, multidimensional space an illusion?
Concept of introverted space: is extroverted, multidimensional space an illusion? Open
The quantum-phase-field concept of matter is revisited with special emphasis on the introverted view of space. Extroverted space surrounds physical objects, while introverted space lies in between physical objects. Space between objects le…
View article: Coupling of alloy chemistry, diffusion and structure by grain boundary engineering in Ni–Cr–Fe
Coupling of alloy chemistry, diffusion and structure by grain boundary engineering in Ni–Cr–Fe Open
The diffusion–microstructure correlations for grain boundaries (GBs) in the technologically-relevant Ni-based 602CA alloy are investigated. Prolonged annealing treatments up to 744 h create distinct GB complexions with specific segregation…
View article: Concept of introverted space: is extroverted, multidimensional space an illusion?
Concept of introverted space: is extroverted, multidimensional space an illusion? Open
The quantum-phase-field concept of matter is revisited with special emphasis on the introverted view of space. Extroverted space surrounds physical objects, while introverted space lies in between physical objects. Space between objects le…
View article: Solidification of the Ni-based superalloy CMSX-4 simulated with full complexity in 3-dimensions
Solidification of the Ni-based superalloy CMSX-4 simulated with full complexity in 3-dimensions Open
In this work, we present phase-field (PF) simulations directly coupled to thermodynamic and kinetic databases in three dimensions. The direct coupling allows consideration of the full alloy complexity of the CMSX-4 superalloy over a large …
View article: Dendrite operating state in directional solidification of AlCu binary system: numerical benchmark test with the OpenPhase software
Dendrite operating state in directional solidification of AlCu binary system: numerical benchmark test with the OpenPhase software Open
A scientific benchmark test is carried out for a multi-phase-field model with double-obstacle potential by performing three-dimensional simulations of dendritic growth under directional solidification. The effects of key numerical paramete…
View article: Multi-phase field modeling and simulation of magnetically driven grain boundary migration in SmCo polycrystals
Multi-phase field modeling and simulation of magnetically driven grain boundary migration in SmCo polycrystals Open
There is a growing demand for magnetic materials straight forward in wind turbines and electric motors. Their functional properties depend critically on their microstructure and thus on the microstructure evolution during sintering or heat…
View article: Influence of Transformation Temperature on the High‐Cycle Fatigue Performance of Carbide‐Bearing and Carbide‐Free Bainite
Influence of Transformation Temperature on the High‐Cycle Fatigue Performance of Carbide‐Bearing and Carbide‐Free Bainite Open
This study investigates the high‐cycle‐fatigue (HCF) behavior of carbide‐bearing bainite (CBB) and carbide‐free bainite (CFB) fabricated at different transformation temperatures. The fatigue limit of each material is determined via stairca…
View article: Multi-phase-field approach to fracture demonstrating the role of solid-solid interface energy on crack propagation
Multi-phase-field approach to fracture demonstrating the role of solid-solid interface energy on crack propagation Open
A multi-phase-field approach for crack propagation considering the contribution of the interface energy is presented. The interface energy is either the grain boundary energy or the energy between a pair of solid phases and is directly inc…
View article: Numerical Simulations to Predict the Melt Pool Dynamics and Heat Transfer during Single-Track Laser Melting of Ni-Based Superalloy (CMSX-4)
Numerical Simulations to Predict the Melt Pool Dynamics and Heat Transfer during Single-Track Laser Melting of Ni-Based Superalloy (CMSX-4) Open
Computational Fluid Dynamics (CFD) simulations are used in this work to study the dynamic behavior of the melt pool and heat transfer during the single-track laser melting process of a nickel-based superalloy (CMSX-4). To include the effec…
View article: Phase‐Field Simulation of Texture Evolution in Magmatic Rocks
Phase‐Field Simulation of Texture Evolution in Magmatic Rocks Open
The tool of phase‐field modeling for the prediction of chemical as well as microstructural evolution during crystallization from a melt in a mineralogical system has been developed in this work. We provide a compact theoretical background …
View article: Multi-phase-field elasticity model based on partial rank-one energy relaxation on pairwise interfaces
Multi-phase-field elasticity model based on partial rank-one energy relaxation on pairwise interfaces Open
To model mechanically-driven phase transformations using the phase-field theory, suitable models are needed for describing the mechanical fields related to individual phase-fields in the interfacial regions. They play a crucial role in obt…
View article: Phase-field simulation of texture evolution in magmatic rocks
Phase-field simulation of texture evolution in magmatic rocks Open
The tool of phase-field modeling for the prediction of chemical as well as microstructural evolution during crystallization from a melt in a mineralogical system has been developed in this work. We provide a compact theoretical background …