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Meeting Materials Science & Technology 2020
Symposium Micro- and Nano-Mechanical Behavior of Materials
Presentation Title Characterization of Electroless Copper Deposits on Electrospun PAN Fibers in Aligned and Random Configurations
Author(s) Temitope Q. Aminu, Molly Brockway, Jack Skinner, David Bahr
On-Site Speaker (Planned) Temitope Q. Aminu
Abstract Scope We have electrolessly deposited copper on random and aligned PAN fibers utilizing silver nanoparticles as catalytic seeds. Fiber sizes ranges from diameters of hundreds of nanometers to a few microns. Prior work has established that coating conformity is strongly modulated by density of catalytic seeds. We investigate the changes in the chemistry of the fibers due to the exposure to the electroless plating solutions using Raman spectroscopy. In addition, tensile tests are carried out on the metallized aligned fibers at distinct strain levels to investigate possible delamination events. Previous strain-to-failure tests on conformally coated, randomly aligned fibers mats showed good adhesion of the copper particles on the fibers. In parallel, we examine the mechanical behavior of the metallized fibers under equi-biaxial stress state utilizing a novel “leaky” bulge testing system, and demonstrate the links between the mechanics of coated fiber mats in aligned and random configurations.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Integrated In Situ Solution for Automated Material Testing in SEM
Atomistic Simulations of Collisions between SiC Nanoparticles
Characterization of Dislocation Avalanches by In Situ Micropillar Compression Tests with Simultaneously Detected Acoustic Emission
Characterization of Electroless Copper Deposits on Electrospun PAN Fibers in Aligned and Random Configurations
Characterization of Fatigue Damage Behavior in Unidirectional Carbon Fiber Reinforced Plastic Laminates
Computer Vision Approach to Study Surface Deformation of Materials
Cyclo[18]carbon as an Ultra-flexible Material
Diffusion Induced Abnormal Softening Behaviors in Nanocrystals
Effects of Testing Temperature and Sample-size on Tensile Deformation of Metallic Glass
Exploring Small-scale Quasicrystal Plasticity in Unknown Temperature Regimes and Compositions
Gradatim Ferociter: Exploring the Grain Size Stability of Heterogeneous Copper in Thermal, Mechanical and Radiation Environments
In Situ Nanomechanical Testing of Piezoresistive Materials
In Situ Nanomechanics of Ni-based Superalloys and Bond Coating: Effect of Temperature
Introductory Comments: Micro- and Nano-Mechanical Behavior of Materials
Mechanical Behavior of Resilin-mimicking Materials
Mechanical Properties of Hybrid Core-shell Ceramic Nanoparticles
Microparticle Impacts at Supersonic Speeds, and the Role of Surface Layers
Persistent, Inelastic Cycling Behavior in Rare Earth Orthophosphate Ceramics
Processing, Characterization, and Modeling of Nano-twinned Alloys: Understanding the Role that Controlling and Tuning of Microstructure has in Dislocation-twin Interactions
Quantitative Evaluation of Large Nanoindentation Data Sets
Small-Scale Mechanical Behavior of Ion-irradiated Amorphous Metals versus Multi-Principal Alloys
Spatial-temporal Investigation of Shear Bands in Bulk Metallic Glasses
Temperature-dependent Intermittent Plasticity of Nb Microcrystals
Time-resolved Atomic-scale Observations of Deformation and Fracture of Nanostructured Materials
Twinning and Detwinning in Small-sized Crystals

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