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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Metal-Matrix Composites: Advances in Analysis, Measurement and Observations
Presentation Title A Comparative Study on the Effect of Graphene and Multi-walled Carbon Nanotubes used as Interlayers on Resistance Spot Welded Joints of a Carbon Steel
Author(s) Tanmoy Das
On-Site Speaker (Planned) Tanmoy Das
Abstract Scope The application of graphene nanoplatelets (GNPs) and multi-walled carbon nanotubes (MWCNTs) as a thin interlayer between the faying surfaces of AISI-1008 steel joints and its effect on the microstructure and mechanical properties of the welded joints has been reported here. The resistance spot welding (RSW) technique has been utilised to entrap the nanoparticles in the weld nugget. Single lap shear tests were performed to get an insight into the weld strength of the bare, GNPs, and MWCNTs interlayered samples, and ~49% and ~45% enhancements respectively were reported. Fracture surface morphology depicted that a combination of both brittle and ductile fractures were the major causes of failure. A detailed microstructural study was performed using light microscopy, SEM, TEM, XRD, and Raman spectroscopy for both cases. The increase in the weld strength and hardness of the nanocomposite formed at the weld nugget was attributed to grain refinement and numerous strengthening mechanisms.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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A Brief Review on the Potential of MAX and MAB Phases and Their Derivatives based Composites from a Microstructural Perspective
A Comparative Study on the Effect of Graphene and Multi-walled Carbon Nanotubes used as Interlayers on Resistance Spot Welded Joints of a Carbon Steel
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Strengthening Effects of Multi-walled Carbon Nanotubes and Graphene Nanoplatelets Reinforced in Nickel Matrix Nanocomposites
The Effect of Titanium Carbide and Spark Plasma Sintering Processing on Nickel-Titanium Carbide Composites
The Mechanical Performance of an In Situ Processed Nickel-Titanium-Graphite Metal Matrix Composites: Influence of Processing
The Tribological Behavior of an In-situ Processed Magnesium Alloy Based Metal Matrix Composite
Understanding the Mechanical Response of Friction Stir Welded In-situ Processed Aluminum Alloy Metal Matrix Composite: Experimental and Statistical Modelling Approaches
Use of an Infrared Spectroscopic Method for Isotopic Analysis of Gaseous Uranium Hexafluoride
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