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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Heterostructured and Gradient Materials (HGM IV): Tailoring Heterogeneity for Superior Properties
Presentation Title Effect of Alloying Additions on the Strength of Confined Nanocrystalline Layers
Author(s) Sevda Fathipour, Amir Motallebzadeh, Özgür Duygulu, Sezer Ozerinc
On-Site Speaker (Planned) Sezer Ozerinc
Abstract Scope Nanolayered metals are nanostructured materials composed of alternating metals with submicron layer thickness. Their outstanding mechanical properties and thermal stability have been the subject of many studies in the last two decades. Almost all of these studies have focused on nanolayers composed of pure metals. On the other hand, little is known about the effect of alloying additions on the mechanical behavior of metallic nanolayers. In this work, we prepared magnetron sputtered films of Cu-Cu50Nb50 and Cu90Nb10-Cu50Nb50 nanolayers with layer thicknesses in the range of 10 – 100 nm. The size-independent nature of the Cu50Nb50 amorphous layers enabled us to focus on the effect of alloying additions in the crystalline layers. The results show that alloying additions to Cu considerably enhances the hardness of the nanolayered composite. Similar to the behavior of pure-metal nanolayers, the strength of alloyed nanolayers increases with decreasing layer thickness.
Proceedings Inclusion? Planned:
Keywords Thin Films and Interfaces, Mechanical Properties, Characterization

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Analysis of Inertially Dampened Structure in High Strain Rate Impacts
Backstress Development and Strain Partitioning in Harmonic-structure Materials
Chemical Gradients to Control Stability and Mechanical Behavior in Nanostructured Pt-Au
Cu-Fe Based Immiscible Medium-entropy Alloys with Excellent Tensile Properties
Effect of Alloying Additions on the Strength of Confined Nanocrystalline Layers
Effect of Layer Spacing and Elastic-plastic Mismatch on Fracture Toughness of Ti-TiN Multilayers
Effect of Rolling on Fatigue Crack Propagation in Harmonic Structured Commercially Pure Titanium
Effects of Constituent Properties on Propagating Stress Waves in Multiphase Composites
Enhanced Mechanical Properties in 3D Interface Metallic Multilayers
Enhanced Mechanical Properties of Interface-strengthened UFG Tungsten and Tungsten-based Nanocomposites
Evolution of Diffusion Joint of Al-steel Clad Strip during Heat Treatment
Exploring the Grain Size Stability of Heterogeneous Copper in Thermal, Mechanical and Radiation Environments
Gradients, Singularities and Interatomic Potentials
Grain-boundary Delamination-induced Toughening in 2 GPa Deformed and Partitioned Steel
Heterogenous Nanostructured Nickel Superalloy
Heterostructured Materials: An Emerging Materials Field with Great Potential
Heterostructured Ultrafine-grained Metallic Materials with Enhanced Superplasticity and Superior Strength
Hierarchical 3D Nanolayered Duplex-phase Zr with High Strength, Strain Hardening, and Ductility
Hierarchical Morphologies in Co-sputter Deposited Immiscible Alloy Thin Films
High Strength and Low Coercivity Cobalt with Three-dimensional Planar Defects Introduced by Heterogeneous Coherent Interface
High Strength and Tensile Ductility in Bicrystalline Nickel Thin Films with Incoherent Twin Boundaries
Hydrogen Charging Behavior of Gradient Structured High-Mn Steels
Interface Affected Plasticity in Accumulative Roll Bonded FCC/BCC Metallic Laminates
Interface Engineered Tungsten Based Nanocomposites and Nanofoams for Harsh Environments
Lattice Defect Development in Harmonic Metals through Atomic Simulations
Mechanical Enhancement of Graded Nanoporous Structure
Mechanical Properties and Structural Stability of a Bulk Nanostructured Metastable Aluminum-magnesium
Microstructure Dependence of Strain Partitioning and Localization in Heterostructured Metals
Multi-layered Gradient Structure by Single-roll Angular-rolling and Ultrasonic Nanocrystalline Surface Modification
Nanoscale Heterogeneity and Gradients Engineered by Compositional Defect Decoration and Manipulation: The Atomic Scale Basis of Segregation Engineering
Nucleation of New Deformation Modes in Nanostructured Metals
Optimizing Wear and Corrosion Resistance of Metallic Multilayers through Atomic-scale Design
Origin of Enhanced Ductility in Laser Rapid Solidified Heterogeneous Hypereutectic Al-20Si Alloy: Slip Interactions between Soft Al Matrix and Hard Si Fibers?
Outstanding Mechanical Properties in a Harmonic Structure Designed Titanium Due to Preferential Recrystallization
Shape Memory Alloys: Using Heterostructure-induced Defects to Train Thermo-mechanical Response
Site-specific Texture Control for Functionally Graded Structures of Stainless Steel 316L Manufactured by Selective Laser Melting
Size Effect Issue on the Fatigue Properties of Ti-6Al-4V Designed in Heterogeneous Harmonic Structure
Solid-tsate Additive Manufacturing of Heterostructured Materials via Additive Friction Stir Deposition
Synthesis and Mechanical Characterization of Metallic Films with Precisely Defined Heterogeneous Microstructures
Thickness-dependent Shear Localization in Cu/Nb Metallic Nanolayered Composites
Tuning the Strongest Size by Tailoring Grain Size Gradient in Metals
Unique Hall-petch Relation in Harmonic Structure Materials
Work Hardening of Gradient FeCrAl Alloy: An In- situ Micropillar Compression Study
Yielding in a Metallic Nanocomposite at the Nanoscale

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