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Meeting Materials Science & Technology 2019
Symposium Emergent Materials under Extremes and Decisive In-situ Characterizations
Presentation Title Interface Design for Radiation Resistant Metallic Nanocomposites
Author(s) Youxing Chen, Jian Wang, Xinghang Zhang
On-Site Speaker (Planned) Youxing Chen
Abstract Scope Materials subjected to irradiation often experience severe damage in the form of various types of defects, such as point defects, dislocations, bubbles/voids, which cause significant degradation of their mechanical properties. Interfaces can act as sinks – absorbing, trapping and manipulating radiation-induced defects and evading formation of defect clusters in grain interiors. Using controllably designed two-dimensional planar interfaces (grain boundaries, twin boundaries and immiscible interphase interfaces), we demonstrated interface characteristics, including interface structures such as coherent structures and misfit dislocation networks, and interface thermodynamic properties such as formation and migration of defects in interfaces determines the sinking efficiency of interfaces. A high density of thermodynamically stable interfaces with designed interface characteristics would show great radiation tolerance, which will provide insights to the design of advanced nanomaterials with unprecedented radiation tolerance.
Proceedings Inclusion? Definite: At-meeting proceedings


Emerging Materials from Pressure Induced Electronic Transition
Exploring Materials Synthesis, Properties, and Metastability through Rapid (De)Compression
Exploring Radiation Resistance of Metal/Carbon Interface by In-situ Heavy Ion Irradiated Study
In-situ Aerodynamic Levitation Pair Distribution Function Studies: Alkali Silicate Crystallization and Sulfate-halide Liquids
In-situ and Time Resolved Characterization of Materials Using Liquid MetalJet X-ray Source
In-situ SEM Characterization of Phase Transformation in Metals and Alloys at High Temperatures
In-situ Study of Multi-scale Deformation in Two-photon Polymerized Microlattices
Interface Design for Radiation Resistant Metallic Nanocomposites
Materials Structure Evolution in Laser Additive Manufacturing Revealed by Synchrotron X-ray Imaging and Diffraction
Non-destructive Multi-property Determination under Extreme Conditions with Transient Grating Spectroscopy
Novel Superhard sp3 Carbon Allotrope from Cold-Compressed C70 Peapods
Operando X-ray PDF Study of Na and K Ion Intercalation in MnO2 Nanosheet Electrodes
Pressure-induced Dramatic Changes in Optoelectronic Properties of 2D Halide Perovskites
Pressure-induced Solidification of Water in Dynamic-DAC
Self-organization of Gas Bubbles in Materials under Irradiation
Structural Behavior and Phase Relations of β-Eucryptite at High P-T Conditions
Structural Stability and Optical Behaviors of Lead Halide Perovskite Nanocrystals at Extremes
Structural Transformations Induced at Extreme Conditions: Coupling High-pressure Cells with Energetic Ion Beams
Superconductivity in Amorphous Sb2Se3
Switchable In-plane Ferroelectricity in Quasi-2D Oxide

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