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Meeting MS&T21: Materials Science & Technology
Symposium Development of Light Weight Alloys and Composites
Presentation Title Insights into Metal-based Polymer Pyrolysis for In-situ MMC Production
Author(s) Aaron T. Gladstein, Alan Taub
On-Site Speaker (Planned) Aaron T. Gladstein
Abstract Scope Metal matrix composites (MMCs) are of increasing importance to the transportation and aerospace industries as they allow for decreasing overall component weight without sacrificing mechanical properties, and in-situ MMCs offer further enhanced properties due to improved matrix-particle bonding and reduction in contamination as compared with ex-situ processes. This research focuses on MMCs made using metal-based polymer pyrolysis (MBPP), a process which creates polymer-derived ceramics (e.g. SiC) by thermally decomposing precursor polymers within the molten metal: once the bonds in the polymer break down, the elements in the polymer chain create ceramic particles. DSC-TGA was used to observe the steps in the conversion of the polymer. Tin-based MMCs were studied to compare the breakdown of the polymer in inert atmosphere and inside a melt. The morphology of the particles and their impact on microhardness was analyzed. The insights from the tin experiments were then applied to produce Al-based MMC’s.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Data-driven Analysis for Selection of Ti-based Alloys for Aircraft Landing Gear Beams and Future Directions
Coarsening of Strengthening Phases in Al(Cu) Alloys: Correlated Atomic-Resolution Microscopy and Composition Analysis
Development of a High-temperature High Strength Aluminum Alloys by Microstructure Tuning
Development of Bulk Nanocrystalline Aluminum Materials with Enhanced Mechanical Properties
Effect of Copper Contents on Corrosion of High Performance ACMZ Cast Aluminum Alloys
Energy Efficient Solid-state Alloying and Composite Manufacturing
Existing and Emerging Applications of Machine Learning in Design, Synthesis, and Characterization of Metal Matrix Composites
Grain Boundary Relaxation in Nanocrystalline Aluminum
Impact of Laser Shock Peening on Stress Corrosion Susceptibility in Al-Mg Alloys
Inoculation of ML5 Cast Magnesium Alloy with Carbon Nano Powder
Insights into Metal-based Polymer Pyrolysis for In-situ MMC Production
Investigation of Microstructure, Interfaces and Mechanical Properties of Metal Matrix Composites
Low Cycle Fatigue Behavior of Conventional High Temperature Titanium Alloys for Aeroengine Applications
Magnesium Alloy Composite with Metal Reinforced Particles Using Friction Stir Processing To Improve Mechanical Properties
Non-Rule-of-Mixtures Thermal Diffusivity in Core-Shell-based Nanocrystalline Composite Ceramics
Precipitation of Stable Icosahedral Quasicrystalline Phase in Mg-Al-Zn Alloys
Surge for Design and Development of Low-density High Entropy Alloys and Composites
Tensile Properties of Epoxy Composites Reinforced with Continuous Mixed Natural Fibers
The Effect of Multiple Age Treatment on Mechanical Properties of 7075 Al Alloy

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