Date of Graduation

5-2023

Document Type

Thesis

Degree Name

Bachelor of Science in Industrial Engineering

Degree Level

Undergraduate

Department

Industrial Engineering

Advisor/Mentor

Liao, Haitao

Committee Member/Reader

Rainwater, Chase E.

Abstract

Technological innovation progresses at an ever-increasing rate, and this is especially true in the field of 3D-printing. 3D-printing has become popular in manufacturing settings and among amateur hobbyists alike, largely because 3D-printers can fabricate an enormous number of designs from an array of materials and allow for fine-tuning through several setting options. Individuals with proficient 3D-printing abilities can produce a nearly infinite number of components for diverse applications in manufacturing, recreation, ergonomics, and many more. Some individuals use their skills to create functional substitutes for name-brand items, including bands to fit and be worn with a smart watch. However, little is known about how various print setting options may affect the quality and durability of printed components. This research seeks to uncover how some design changes can affect these physical properties. We use a full factorial experiment to test the effects of print infill pattern and print infill density on the peak tensile strengths of printed components and conduct a bend test to study the durability of such components.

Keywords

3D-Printing, Factorial Design, Tensile Strength, Fatigue, Infill Pattern, Infill Density

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