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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Metal-Matrix Composites: Analysis, Modeling, Observations and Interpretations
Presentation Title Investigation of Friction Stir Spot Welding of Aluminium Alloys using Zinc as an Interlayer
Author(s) Pragya Rai, Sushanta Kumar Panda, Jinu Paul
On-Site Speaker (Planned) Pragya Rai
Abstract Scope The present work focussed on the role of zinc (Zn) interlayer in enhancing the mechanical performance of friction stir spot weld (FSSW) of AA8011-H24 sheets material. The FSSW weld was fabricated successfully with and without interlayer using tool rotational speed, plunge depth, and dwell time of 2600 rpm, 0.2 mm, and 10 s respectively. Moreover, the mechanical performance of spot weld with and without interlayer was evaluated by lap shear test. After the lap shear test, different failure modes of weld nugget were observed through scanning electron microscope (SEM) fractographs. It was found that the lap shear failure load as well as percent elongation increased significantly by ~86% and ~90% respectively using zinc as an interlayer. The welds zones were characterized by metallographic examination, X-ray diffraction, and SEM. Microstructure evolution due to the presence of zinc interlayer was analyzed to get insight into the improvement of mechanical performance.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

4D X-ray Tomography and Correlative Microscopy of Composite Materials
A 3D Multiple-Slip Crystal Plasticity Model for Precipitate Hardening in Additively Manufactured High-Strength Steels
Design of Steel Microstructures by Manipulation of Reinforcement Precipitates using Finite Element Methods
Effect of Reinforced Materials Size on Wear Behavior of Cu/B4C Metal Matrix Composites Fabricated by Friction Stir Processing
Effects of Interface Characteristics on High Volume Fraction Al/SiCp Composites under Compressive Stress
In-situ Synthesis of Al/Al2O3 Nanocomposites via Spark Plasma Sintering of Nano-sized Al Powders
Investigation of Friction Stir Spot Welding of Aluminium Alloys using Zinc as an Interlayer
Lightweight Radiation Shielding Using Metal Matrix Composites
Mechanical Properties of Al-based Metal Matrix Composites Produced by Constrained High Pressure Torsion
Mechanical Testing of Steel and Tungsten Fibers for Use in Composites for Fusion Applications
Microstructure Analysis and Modeling of the Effective Properties of Damaged Fe-TiB2 Metal Matrix Composites
Microstructure, Interfaces and Mechanical Properties of Nano Composites Manufactured in Solid State
Processing and Microstructural Characterization of Novel Invar Syntactic Foams
Role of Matrix Microstructure on the Mechanical Behavior and Corrosion Response of Two Magnesium Metal Matrix Composites
Simultaneously Applied Electromagnetic and Mechanical Ultrasound for Particle Dispersion in Liquid Metals
Synthesis and Characterization of In-situ Formed TiB2 Particulate Reinforced Al-Si Alloy Composites
The Effect of Solution Treatment Aging on Hardness Improvement of Ti-6Al-4V/TiC Metal Matrix Composite
The Microstructure and Mechanical Properties of Magnesium-based Composites: Role of Reinforcement and Processing
Volume Fraction Analysis of Alumina Reinforced Aluminum Composites

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