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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Mechanical Behavior at the Nanoscale IV
Presentation Title Mechanical Behavior of Nanolaminates with Alternating Oxide Layers
Author(s) Jeong-Hyun Woo, Ju-Young Kim
On-Site Speaker (Planned) Jeong-Hyun Woo
Abstract Scope By Griffith’s theory, the fracture strength of brittle materials reaches an ideal strength at a critical thickness. Also, metallic glass-metal nanolaminate composites had different mechanical behavior from metallic glass single layer, as reported by several authors: metal layers suppressed catastrophic failure of metallic glass. So here we look at the critical thickness of amorphous Al2O3 films, which are brittle materials, and the changes in the mechanical behavior of amorphous Al2O3 when it is laminated with the inorganic material. The push-to-pull tensile test was used here to measure mechanical properties of ultra-thin films. For sample preparation, Al2O3 films and other inorganic films were deposited using ALD and thin-films were fabricated with dog-bone shape using focused ion beam(FIB). We analyzed effect of thickness on mechanical properties and found the critical thickness of Al2O3 film. We then made amorphous Al2O3-inorganic nanolaminate composites and measured mechanical properties by tensile testing by an in-situ system.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Multiscale Investigation of Core-shell Nanostructures Using the Coupled Atomistic and Discrete Dislocation Method
A New Method for Selecting Grain Boundary Sets for Comparison of Decohesion Behavior in Molecular Dynamics Simulations
Anatomizing Deformation Mechanisms in Metals at the Low End of the Nanoscale
Art Skilled Mechanical Behaviors of the Structural Calcites, Aragonites and Organics within Indonesia White-pearl Oyster
Atomistic Investigation into the Mechanical Response of Ferrite-cementite Interfaces in Pearlite
Atomistic Modeling of the Mechanical Properties of Nanoglass-metallic Glass Nanolaminates
Characterizing Size-property Relationships with In-situ DIC
Deformation Twinning in BCC Nanocrystals: Atomistic Modeling and In Situ Experiment
Determination of Crack Tip Stress around the Notch of IN-617 by Using Nano Mechanical Raman Spectroscopy
Development of New Titanium Alloys with High Strain Hardening Thanks to combined TRIP and TWIP Effects: Microstructure/Mechanical Properties Relationships
Diffusive Plasticity in Nanometer-sized Metallic Crystals
Dislocation Structure in Layered Chalcogenides
Dynamic TEM In Situ Mechanical Testing: Characterization of Defects Motion at High Strain Rates
ECCI Analysis ff Dislocation Slip Transfer across Grain Boundaries in Commercially Pure Titanium
Effect of Ag and Zr Solutes on Dislocation Emission from the Σ11(332)[110] Symmetric Tilt Grain Boundary in fcc Cu.
Effect of Surface and Internal Defects on the Mechanical Properties of Metallic Glasses
Effect of Twist Boundary Stability of Dislocation Network under Unloading
Estimating the Fracture Toughness of Complex Thermoelectric Materials from Ideal Stress-strain Calculations
Failure Behavior and Flaw Tolerance of Polycrystalline Yttria-Stabilized Tetragonal Zirconia Nanopillars under Compressive Deformation
Fracture of Cu-Nb Multilayer Films on Polyimide
High-strength and High-conductivity Sheets for High Field Bitter Magnets
High-throughput Nanomechanical Characterization of Fe-alloys for Service under Extreme Conditions
How Strongly Does Calculation Method Influence Atomistic Predictions of Mechanical Properties?
Impact of Point Defects on the Mechanical Properties of 122-superconductors
In Situ Study on Strain-rate-dependent Work Hardening in FCC Co Dominated by High-density Stacking Faults
Initiation of Fatigue Damage in Ultra-fine Grained Thin Films
Instrumentation for In Operando Characterization
Interface Driven Mechanical Behavior of Mg/Nb Nano-layered Composites
Investigation of Grain Growth in Nanocrystalline Alloys through Coupled In-situ TEM Fatigue and Crystallographic Orientation Mapping
Loading Sequence Dependent Deformation Mode of FCC Nanowires
Mechanical Behavior and Strengthening Mechanisms of Nanotwinned AlMg Alloy
Mechanical Behavior of Nanolaminates with Alternating Oxide Layers
Mechanical Behavior of Nanotwinned Alloys
Mechanical Properties of Nanocrystalline Aluminum: Atomistic Simulations and Experimental Verification
Mechanical Properties of Ni Nanocomposites Embedded with Carbyne Chains
Mechanical Properties of Rapidly Solidified Ni5Ge3 Intermetallic
Mechanical Response of Highly Dense Vertically Aligned Carbon Nanotube (VACNT) Brushes Reinforced by Intertube Bridging
Mechanical Testing of a Nanostructured Lyotropic Mesophase Material from an Ionic Liquid Monomer
Micro-mechanical Characterization of Novel ThCr2Si2-structured Intermetallic Compounds: Fundamental Understanding of Superelasticity by Experiment and Computer Simulation
Microstructure and Fracture Toughness of Electrodeposited Ni-W Thick Films Using In-situ Microcantilever Bend Tests
Microstructure, Residual Stress, and Intermolecular Force Distribution of Graphene/Polymer Hybrid Composites: Nanoscale Morphology-promoted Synergistic Effects
Molecular Dynamics Study on Temperature-dependent Screw Dislocation Behavior in Body-centered Cubic Metal Nanopillars
Multiscale In Situ Electron Microscopy Investigation of Deformation in Al 6061
Nanomechanical Characterization of Two Dimensional Materials
Nanoscale Deformation Behavior in Aluminum Alloys Using Micromechanical Testing and Transmission X-ray Microscopy (TXM)
Numerical Modeling and Experiments of the Mechanical Behavior of Porous Solids for Large Relative Densities
Origins of Residual Stress during Thin Film Growth
Plastic Flow in Cutting of Metals at Small Length Scales
Plasticity of Face-centered Cubic Metallic Nanoparticles under Uniaxial Compression
Role of Nano-voids in Shock Wave Mitigation of Single Crystal Cu
Size-dependent Pseudo-elasticity in Gold Nanocrystals
Size Dependent Strength and Plasticity in Nanocrystalline Metals with Amorphous Grain Boundary
Size Effects in Nanoscale Wear of Silicon Carbide and Silicon
Slip Dynamics in Small-scale Crystals and the Transition from Intermittent to Smooth Flow
Small-scale Mechanical Testing of Hierarchical Nanostructured Materials
Small-scale Plasticity and Elasticity: Experimental Signatures of the Role of Capillarity
Solution Growth of Single-crystalline Intermetallic Compounds and their Mechanical Behaviors at Small Length Scales
Strength Statistics of Single Crystals and Metallic Glasses under Small Stressed Volumes
Stress-dependent Activation Volumes in Au Nanowires
Stress-strain Responses from Spherical Nanoindentation and Micro-pillar Compression Experiments in Fe-3% Si: A Comparative Study
Stress Relaxation Mechanisms in Thin Films
Superelasticity and Micaceous Plasticity of the Novel Intermetallic Compound CaFe2As2 at Small Length Scales
Surface Effect on the Strength of Nanoporous Gold
Synthesis and Mechanical Characterization of Metallic Films with Precisely Tailored Multimodal Microstructures
Temperature Dependence of Indentation Size Effects on Polycrystalline Tungsten from 25 to 950 C
Temperature Effect on the Stochastic Plasticity in BCC Micropillars
Texture Dependent Grain Rotations in Ultrafine-grained Al Films Revealed by In Situ TEM with Automated Crystal Orientation Mapping
The Effect of the Misfit Dislocation on the In-plane Shear Response of the Ferrite/Cementite Interface
The Extreme Value Statistics of Intermittent Plasticity
The Mechanical Response of Core-shell Metallic Nanofoams
The Mechanics of Twinning at the Nanoscale
Thickness-dependent Tensile Behavior of Thermally-grown SiO2
Thickness Dependent Strain Rate Sensitivity in Metallic Nanolayers
Ultrahigh Strength and Fracture of Metallic and Semiconductor Nanowires
Understanding Effect of Grain Boundaries on Deformation and Strength of Yttria-stabilized Tetragonal Zirconia Bicrystals
Understanding the Fundamental Mechanisms of Serrated Flow in BCC Alloys Using Computational Modeling
Uniaxial Deformation of Nanotwinned Nanopillars/Nanotubes in Body-centered Cubic Tungsten

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