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Design modifications and fabrication of endcaps and loading-unloading mechanism for a chemical vapor deposition system
Gibson, Ryan Goforth, Austin Vu, Bryan Claybon, John
Gibson, Ryan
Goforth, Austin
Vu, Bryan
Claybon, John
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2025-04-25
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Keywords
Quartz-tube furnace,Nanocomposite materials,Endcap design
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Citation
Gibson, Ryan; Goforth, Austin; Vu, Bryan; Claybon, John. 2025. Design modifications and fabrication of endcaps and loading-unloading mechanism for a chemical vapor deposition system. -- In Proceedings: 24th Annual Undergraduate Research and Creative Activity Forum. Wichita, KS: Wichita State University, p. 10
Abstract
The objective of this project is design, optimization, and manufacturing of endcaps and loading-unloading support assemblies for a quartz-tube furnace used in a Chemical Vapor Deposition (CVD) system for synthesis of carbon nanostructures. This project is being executed for the Multifunctional Nanocomposites Lab (MNL) at WSU in support of our sponsor's (Dr. Askari) research on high-performance nanocomposite materials systems and devices. Principle of mechanical design, materials science, manufacturing, computer-aided-analysis, and iterative design procedures were used for design modification/optimization of a set of endcaps and design of a support mechanism, and a loading-unloading system for the CVD system. Our problem statement is to develop a method by which the endcaps can be attached easily/safely, and perfectly seal the quartz-tube reaction chamber, while reducing the stresses induced on the ends of the quartz-tube during the operation (i.e., exposed to nearly 750°F). The goal is to provide perfect sealing and to retain as much of the original endcap design as possible to minimize machining and material costs. In this project, design standards such as ASTM E228-22, ASTM A962, ASTM A193, and ASME Y14.5 were considered, when designing these endcaps and the additional supports. Design software like SolidWorks and Catia were used to fully design the required parts/subsystems. For parts fabrication, existing facilities in GoCreate and the Innovation Hub at WSU (e.g., manual and CNC machine tools, drills, and waterjet cutter) will be mostly used per our design specification, in addition to our own personal devices/tools (e.g., manual machines and 3D printer). Through this design project, the existing CVD system in MNL lab will be completed and ready for installation and operations for synthesis of nanomaterials and nanostructures for a wide range of engineering applications.
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Description
Presented to the 24th Undergraduate Research and Creative Activity Forum (URCAF) held in Woolsey Hall, Wichita State University, April 25, 2025.
Publisher
Wichita State University
Journal
Book Title
Series
URCAF;v.24