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Meeting MS&T23: Materials Science & Technology
Symposium Interface-mediated Phenomena in Structural Materials
Presentation Title Mechanistic-design of Advanced Hierarchical Ti-Ti2AlC Metal-MAX Multilayered Nanolaminates
Author(s) Skye Supakul, Sid Pathak, Krishna Yaddanapudi, Garritt Tucker
On-Site Speaker (Planned) Skye Supakul
Abstract Scope We discuss the deposition, microstructure, and mechanical properties of hierarchical multilayered metallic (Ti) and MAX phase (Ti2AlC) Nanolaminate (MMN) systems where the interface between metal and MAX phase layers are in direct competition with the internal interfaces within the MAX layers. We utilize magnetron sputtering, as well as a combinatorial atomic layer deposition and magnetron sputtering physical vapor deposition system that enables deposition without breaking the chamber vacuum to explore various pathways to deposit MMN. Among our attempts, we report the first successful depositions of MMN. We describe the challenges associated with deposition and our solutions to overcome these challenges. Microstructural characterizations using X-ray diffraction and transmission electron microscopy elucidate the different microstructures, and preliminary nanoindentation and micropillar compression were used to evaluate their mechanical properties. Preliminary micropillar compression from our latest deposition demonstrates high instability stresses of 8.10.2GPa, significantly higher than constituent components.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Interface-enabled High Strength and Deformability in Cu/Nb Nanolaminates
A Novel Spinel Ferrite-Hexagonal Ferrite Composite for Enhanced Magneto-electric Coupling in a Composite with PZT
Atomistic Dynamics of Pre-existing Edge Dislocations in FCC Metals at High Strain Rates: Arrhenius to Non-Arrhenius Transition
Atomistic Simulations of the Effect of Alloying on Solid/Liquid Interfacial Free Energies
Co-deformation Behavior of Additively Manufactured Nanolamellar Eutectic High-entropy Alloys
Computing Grain Boundary "Phase" Diagrams: From Thermodynamic and Structural Characters to Mechanical Properties and an Emergent Concept of High-Entropy Grain Boundaries (HEGBs)
Diffusion Bonding of Titanium to Vanadium
Effect of Silicate Ions with Different Structures on Solidification Behavior of Mechanochemically Activated Coal Ash Powders
Effects of Phase Boundaries on Enhanced Hardness in a Microstructurally Stable Nanocrystalline Ni-based Alloy
Experimental Constraints on the Grain Growth Kinetics of Rhenium
F-13: Synergistic Hardening and Damage Evolution on the Stretchability of Al1050/steel/Al1050 Sheets
Formation Mechanisms and Kinetics of Coating Deposition Using Open-air Spray-Plasma Processing
Gradation of Additive Manufactured Polymer-Metal Interfaces for Increased Toughness
Heterogeneous Nucleation of γ’ Precipitates at Annealing Twin Boundaries in Superalloys: A Phase Field Study
In-situ TEM Study of Grain Boundary Motion in 2D Skyrmion Lattice: A Combined Individual and Collective Particle Motion
Influence of Grain Boundary Sliding on Plastic Deformation in FCC Nanocrystalline Metals
Interface Strengthening in As-cast and Laser-modified Al-Si Eutectic Alloys
Interfacial Reactions in Co/Bi2Te3 and Co/Bi2Se3 Couples
Investigating the Deformation Mechanisms for Allvac 718Plus Superalloy Containing Bi-modally Distributed γ' Precipitates
Investigation of Dislocation-grain Boundary Interactions Through In-situ Direct Tensile Testing with High-resolution Electron Backscatter Diffraction
Kinetics of Interfacial Defects Associated with the Formation of Special Boundaries Under Conditions of Synthesis of Complex Functionally Active Charges
Localized Phase Transformation (LPT) at Stacking Faults and Twin Boundaries and Their Impact on Properties
Mechanical Behavior and Thermal Stability of Nanotwinned Al Alloys
Mechanistic-design of Advanced Hierarchical Ti-Ti2AlC Metal-MAX Multilayered Nanolaminates
Modeling the Interface-Mediated Mechanical, Thermal, Mass Transport and Their Interactions from Atomistic to Microscale: Methodology, Mechanisms, and Applications
Molecular Dynamics Simulations of Austenite-Martensite Interfaces in NiTi Shape Memory Alloys
Nanoscale Hydration at the Collagen-mineral Interface’s Role in Overall Tissue Strength of Human Cortical Bone
On the Importance of Interfaces in Gradient Materials for Structural Applications
Role of Heterogeneity on Formability in Al1050/Steel/Al1050 Laminated Sheets
The Role of Interfaces on Second Phase Nucleation and Attendant Mechanical Response in Structural High Entropy Alloys
Understanding Dislocation-interface Interactions during Recrystallization of Mg-Ca-Zn Alloys
Understanding Grain Boundary Segregation in FeCr Alloys: Multiscale Modeling and Experiments
Understanding the Interface Strain Induced HCP→BCC Phase Transformation in Nanolaminate Mg

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