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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Atom Probe Tomography for Advanced Characterization of Metals, Minerals and Materials III
Presentation Title Material Alterations in Intense Mechanical and Chemical Contacts
Author(s) Shanoob Balachandran Nair, David Mayweg, Yu Qin, Ebrahim Norouzi, Lutz Morsdorf, Alfons Fischer, Dierk Raabe, Michael Herbig
On-Site Speaker (Planned) Michael Herbig
Abstract Scope Intense mechano-chemical contacts occur in a broad range of crucial technological applications such as bearings, rails or hip implants. The reaction of materials to these conditions thus does not only concern a part’s lifetime but often also a patient’s well-being. The complex underlying processes can only be understood by joint chemical and structural characterization at the nanometer scale. This makes atom probe tomography in conjunction with transmission electron microscopy the ideal tools for this investigation. We conduct these methods to unravel the mechanism behind the emission of cobalt-ions from hip implants, the processes of carbide-decomposition in bearings and during high pressure torsion and the origin of ductility in metallic glasses.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


A Review of Atom Probe Tomography Technology: The Present and Future
APT-based Stoichiometry Measurements of Single Crystal ThO2
APT for Atomic-scale Insights to the Origins of Materials Properties
Atom Probe Tomography of Refractory High Entropy Alloys
Atom Probe Tomography Study of Fission Products in Neutron Irradiated U-Mo Fuel
Characterization of Mechanical Properties of the A356 Cast Aluminum Alloy in Accordance with the Cluster Formation Behaviors at Different Aging Temperatures
Compositional Dependencies of Ni- and Fe-oxides to Experimental Parameters in Atom Probe Tomography
Coupled APT and TEM Investigation of Cu Assisted Nucleation of L12 Precipitates in FCC-based High Entropy Alloys
Elucidating Solute Clustering and Precipitation of Al-Cu-Mg-Ag-Si Model Alloys
Material Alterations in Intense Mechanical and Chemical Contacts
Morphological Classification of Dense Objects in Atom Probe Tomography Data
Nanoparticle Sample Preparation for Atom Probe Tomography: Chemical Fixation and Cryo-Fixation
Post-morten Selected Area Analysis for Optimized Statistical Analysis of APT Data
Quantifying Compositional Uncertainty Arising from Peak Overlaps
Understanding Early Stages of Nanoscale Hydriding and Oxidation Mechanisms in Metallic Systems via Atom Probe Tomography and Multimodal Chemical Imaging

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