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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Spatially Tailored Materials: Processing-Structure-Properties
Presentation Title The topology of nano- and mesoporous metal networks and its impact on structural-mechanical behavior from in-situ xray nanotomography experiments
Author(s) Markus Ziehmer, Stefan Berger, Yijuan Wu, Kate L.M. Elder, Jin Zhang, Tiberiu Stan, Xianghui Xiao, Jürgen Markmann, Erica T. Lilleodden, Peter W. Voorhees
On-Site Speaker (Planned) Markus Ziehmer
Abstract Scope Recent advances in fabrication of nano- and mesoporous metals based on dealloying techniques added new interconnected network structures that already proved their applicability as both functional and structural materials. It is often emphasized that their microstructural length scales are tunable, which in such structures is an interrelated process of geometrical, morphological and topological aspects. Understanding the network topology and its evolution under external forces is of crucial importance, in particular for structural properties. For an improved analysis we investigated the network evolution under different external loads using in-situ xray nanotomography. Thermal coarsening of nanoporous gold enabled to track the evolution of the network topology during structural coarsening, especially topological transitions. Microcompression of mesoporous titanium allowed for a statistical analysis of the local topologies of the fundamental network ring elements and the response of different ring size classes on the mechanical load, thus identifying the load-bearing structural elements.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D analysis of “meta grain boundaries” in “meta polycrystals” produced by laser powder bed fusion
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Combinatorial and High-Throughput Synthesis, Characterization, and Design of Metallic Alloys and Nanotwin Microstructures
Combinatorial High Throughput Methodology: A Twinning and Phase Formation Study in CuNiAl Alloys
Combinatorial high throughput study of the interplay between microstructure and mechanical properties in Ni-Al thin films
Composition Gradient DED Printed Materials in Complex Build Geometries
Diffusion gradients to rapidly explore composition space & precipitation behaviour of bcc-superalloys and refractory high entropy alloys.
Dissolution zone model of the oxide structure in additively manufactured dispersion-strengthened alloys
Dynamic Tensile Damage and Spall Behavior of Electroplated Nickel
Effect of Zr and Sc additions on coarsening- and creep resistance of laser-melted AlSi10Mg
Effects of stacking-fault energy and thermo-mechanical treatments on evolution of heterogeneous nanostructure and mechanical properties of SUS316LN stainless steels
Evaluation of bimetallic interfaces created by directed energy deposition metal additive manufacturing
Evaluation of the mechanical and thermal properties of directed energy deposited 316L stainless steel-copper composite with complex 3D structures
Evolution of metastable phase in the chromium cladding developed over stainless steel substrate using laser directed energy deposition
Fine-Tuning of Heat Treatment Parameters for Nano-Scale Cu-Precipitates
Fundamental investigation of the interface formation of multi-material additive manufactured 316L-CuSn10 structures
Gradient alloy design guidelines via high-throughput CALPHAD-based ICME simulations with machine learning
High strain rate properties and microstructure of Fe-Cu alloys made through laser powder bed fusion
High Throughput Design of Refractory High Entropy Alloys with Improved Oxidation Resistance
Impact of heat treatments on the microstructure and mechanical properties of γ/γ' Ni-based superalloys produced by DED processes
Improving Interfacial Performance through Directed Energy Deposition of Additively-Graded Combustion Chambers
Integrated Computational-Experimental Framework for Production of Additively Manufactured Functionally Graded Materials from Structural to Refractory Alloys
Measurement of the Temperature Dependence of Plastic Deformation Localization for Rapid Microstructure-Property Relationships Identification Across Temperatures
Mechanical and Material Characterization of BP-DED Ti-Nb-Cu Functionally Graded Materials
Mechanical characterisation of micro-architected AM lattices using X-ray computed tomography
Microstructure and mechanical properties of in-situ alloyed steels via wire arc directed energy deposition
Multi-material PBF-LB additive manufacturing of aluminum and copper combinations
Multiscale characterization of an additively manufactured property graded Ni-base alloy for molten-salts\supercritical-CO2 heat exchangers
Optimizing The Kinetic Properties of Materials Gradients
Oxygen-induced elemental segregation as a pathway for evolving new microstructures in IV-based BCC refractory alloys
Oxygen-Induced Hierarchical Heterogeneities and Enhanced Hardness in RMPEAs
Phase evolution and mechanical behavior of sputtered Cu-Fe alloys
Precipitation Behavior in a Soft Magnetic, Multi-Component Alloy using Single Laser Tracks
Production and validation of refractory functionally graded materials using CALPHAD-assisted path planning for property predictions
Research progress of continuous graded alloy fabrication by LPBF
Solute Redistribution in Functionally Graded Materials: An Operando Study of Cu-Al Alloys
The Role of Heterogeneous Microstructure on the Corrosion Resistance of Wire-arc Directed Energy Deposited Iron-based High Entropy Alloys
The topology of nano- and mesoporous metal networks and its impact on structural-mechanical behavior from in-situ xray nanotomography experiments
Thermal Stability and Microstructural Evolution in Compositionally Graded Refractory Alloys
Tools for tailoring properties in functionally graded materials
Updated High-Throughput Rapid Experimental Alloy Development

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