Christian Haase
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View article: Influence of isothermal post-treatment on tribocorrosion behaviour of laser powder bed fusion-processed β-type Ti-Nb alloy
Influence of isothermal post-treatment on tribocorrosion behaviour of laser powder bed fusion-processed β-type Ti-Nb alloy Open
View article: LDP Polygons and the Number 12 Revisited
LDP Polygons and the Number 12 Revisited Open
We give a combinatorial proof of a lattice point identity involving a lattice polygon and its dual, generalizing the formula $\operatorname{area}\left(\Delta \right) + \operatorname{area}\left(\Delta^* \right) = 6$ for reflexive $\Delta$. …
View article: Harnessing additive manufacturing-induced microstructure and solute heterogeneities for the design of precipitation-strengthened alloys
Harnessing additive manufacturing-induced microstructure and solute heterogeneities for the design of precipitation-strengthened alloys Open
Solute enrichment at lattice defects is a well-established phenomenon for promoting phase transformations. Metal additive manufacturing (AM) inherently enables this by promoting cellular structures during solidification and thermal cycling…
View article: Thermo-Micro-Mechanical Modeling of Shear Cutting and Flange Forming in S700 Steel
Thermo-Micro-Mechanical Modeling of Shear Cutting and Flange Forming in S700 Steel Open
View article: Influence of vanadium carbides and stacking fault energy on the low-cycle fatigue behavior of a face-centered cubic multi-principal element alloy
Influence of vanadium carbides and stacking fault energy on the low-cycle fatigue behavior of a face-centered cubic multi-principal element alloy Open
View article: Microstructural Evolution and Mechanical Properties of a Medium‐Manganese Steel Manufactured by Laser‐Based Powder Bed Fusion of Metals
Microstructural Evolution and Mechanical Properties of a Medium‐Manganese Steel Manufactured by Laser‐Based Powder Bed Fusion of Metals Open
Medium‐manganese steels (MMnS) represent novel third‐generation advanced high‐strength steels, which are characterized by Mn content between 3 and 12 wt% as well as a multiphase microstructure. These steels are well‐known for outstanding c…
View article: Mitigation of Cracks in High‐Performance Nickel‐Based Superalloys in Powder Bed Fusion Laser Beam of Metals Using a Metal Matrix Composite Approach
Mitigation of Cracks in High‐Performance Nickel‐Based Superalloys in Powder Bed Fusion Laser Beam of Metals Using a Metal Matrix Composite Approach Open
The efficiency of gas turbines plays an important role for a sustainable energy transition resulting in high requirements for turbine blade materials. Nickel‐based superalloys, such as CM247LC, are often used for this application. Using ad…
View article: A combined experimental and numerical assessment of the role of microsegregation and phase formation on hot cracking susceptibility in laser powder bed fusion processed CM247LC
A combined experimental and numerical assessment of the role of microsegregation and phase formation on hot cracking susceptibility in laser powder bed fusion processed CM247LC Open
View article: Enhancing energy absorption performance in additively manufactured lattice structures: A synergistic approach to geometry and alloy design
Enhancing energy absorption performance in additively manufactured lattice structures: A synergistic approach to geometry and alloy design Open
View article: High‐Speed 3D Printing Coupled with Machine Learning to Accelerate Alloy Development for Additive Manufacturing
High‐Speed 3D Printing Coupled with Machine Learning to Accelerate Alloy Development for Additive Manufacturing Open
Developing novel alloys for 3D printing of metals is a time‐ and resource‐intensive challenge. High‐throughput 3D printing and material characterization protocols are used in this work to rapidly screen a wide range of chemical composition…
View article: The influence of laser scanning speed on microstructural heterogeneities and phase transformations in additively manufactured medium-manganese steel
The influence of laser scanning speed on microstructural heterogeneities and phase transformations in additively manufactured medium-manganese steel Open
View article: In situ carbide formation causing strain-age cracking in additively manufactured, highly alloyed steels
In situ carbide formation causing strain-age cracking in additively manufactured, highly alloyed steels Open
Since its conception in the early 1990s, additive manufacturing of metallic materials has evolved into a staple manufacturing technique in various industries. Among other process-specific advantages, such as sustainability and geometric fr…
View article: Experimental and Thermo-Micro-Mechanical Modeling Study of Shear Cutting and Flange Forming in S700 Steel
Experimental and Thermo-Micro-Mechanical Modeling Study of Shear Cutting and Flange Forming in S700 Steel Open
View article: Geometry-Dependent Residual Stresses in Laser-Based Powder Bed Fusion (Pbf-Lb) Built Ti6al4v Components: A Synchrotron X-Ray Diffraction and Finite Element Method Study
Geometry-Dependent Residual Stresses in Laser-Based Powder Bed Fusion (Pbf-Lb) Built Ti6al4v Components: A Synchrotron X-Ray Diffraction and Finite Element Method Study Open
View article: The Influence of Laser Scanning Speed on Microstructural Heterogeneities and Phase Transformations in Additively Manufactured Medium-Manganese Steel
The Influence of Laser Scanning Speed on Microstructural Heterogeneities and Phase Transformations in Additively Manufactured Medium-Manganese Steel Open
View article: Reflexive Fotografie und bildgebende KI
Reflexive Fotografie und bildgebende KI Open
View article: Segregation-guided alloy design via tailored solidification behavior
Segregation-guided alloy design via tailored solidification behavior Open
This study presents an alloy design perspective guided by elemental segregation during solidification to determine the site-specific chemistry and related local thermodynamic properties of dendritic microstructures. This was accomplished v…
View article: Thermo-micro-mechanical modeling of plasticity and damage in single-phase S700 steel
Thermo-micro-mechanical modeling of plasticity and damage in single-phase S700 steel Open
View article: Reflexive Fotografie und bildgebende KI
Reflexive Fotografie und bildgebende KI Open
View article: On the finite generation of valuation semigroups on toric surfaces
On the finite generation of valuation semigroups on toric surfaces Open
We provide a combinatorial criterion for the finite generation of a valuation semigroup associated with an ample divisor on a smooth toric surface and a non-toric valuation of maximal rank. As an application, we construct a lattice polytop…
View article: The influence of microstructural heterogeneities on high-temperature mechanical properties of additively manufactured γ'-forming Ni-based alloys
The influence of microstructural heterogeneities on high-temperature mechanical properties of additively manufactured γ'-forming Ni-based alloys Open
Additive manufacturing (AM) of metallic materials yields distinctive hierarchical and heterogeneous microstructures owing to the complex thermal conditions during the build-up process. Consequently, the knowledge gained from creep properti…
View article: Understanding the high-temperature deformation behavior of additively manufactured γ'-forming Ni-based alloys by microstructure heterogeneities-integrated creep modelling
Understanding the high-temperature deformation behavior of additively manufactured γ'-forming Ni-based alloys by microstructure heterogeneities-integrated creep modelling Open
Additively manufactured (AM) alloys present unique and heterogeneous microstructures due to the complex, highly dynamic laser-material interactions. These AM-inherent heterogeneities impede the widespread adoption of AM components, necessi…
View article: Influence of vanadium-carbide precipitation on the deformation behavior of Fe-30Mn-10Co-10Cr-2.5 V-1.5C multi-principal element alloy
Influence of vanadium-carbide precipitation on the deformation behavior of Fe-30Mn-10Co-10Cr-2.5 V-1.5C multi-principal element alloy Open
Multi-principal element alloys represent a compelling avenue for the development of innovative alloys that have the potential to surpass conventional alloys in various applications, owing to the extensive compositional space they offer. Fo…
View article: Efficient Cellular Automaton Model for the Simulation of Microstructure Development During Additive Manufacturing
Efficient Cellular Automaton Model for the Simulation of Microstructure Development During Additive Manufacturing Open
View article: The Influence of Microstructural Heterogeneities on Hightemperature Mechanical Properties of Additively Manufactured Γ'Forming Ni-Based Alloys
The Influence of Microstructural Heterogeneities on Hightemperature Mechanical Properties of Additively Manufactured Γ'Forming Ni-Based Alloys Open
View article: In Situ Carbide Formation Causing Strain-Age Cracking in Additively Manufactured, Highly Alloyed Steels
In Situ Carbide Formation Causing Strain-Age Cracking in Additively Manufactured, Highly Alloyed Steels Open
View article: Influence of Vanadium-Carbide Precipitation on the Deformation Behavior of Fe-30mn-10co-10cr-2.5v-1.5c Multi-Principal Element Alloy
Influence of Vanadium-Carbide Precipitation on the Deformation Behavior of Fe-30mn-10co-10cr-2.5v-1.5c Multi-Principal Element Alloy Open
View article: Understanding the High-Temperature Deformation Behavior of Additively Manufactured Γ'-Forming Ni-Based Alloys by Microstructure Heterogeneities-Integrated Creep Modelling
Understanding the High-Temperature Deformation Behavior of Additively Manufactured Γ'-Forming Ni-Based Alloys by Microstructure Heterogeneities-Integrated Creep Modelling Open
View article: A Combined Experimental and Numerical Assessment of the Role of Microsegregation and Phase Formation on Hot Cracking Susceptibility in Laser Powder Bed Fused Cm247lc
A Combined Experimental and Numerical Assessment of the Role of Microsegregation and Phase Formation on Hot Cracking Susceptibility in Laser Powder Bed Fused Cm247lc Open
View article: Enablers and Tools for Agile Product Development
Enablers and Tools for Agile Product Development Open
Today’s industrial world is characterized by ever-shortening product development cycles and increasing degrees of product individualization which demand tools and enablers for accelerated prototyping. In addition, the existing uncertainty …