Keywords and Phrases
Carbon Fiber Reinforced Polymer; Fiber Reinforced Polymer; Laser Machining; Manufacturing Technology
“Laser machining countersinks with a frequency doubled Q-switched diode pumped Nd:YAG laser is demonstrated. Tests were conducted in 0.100" thick IM7 prepreg CFRP with [0,90]3S orientation. The HAZ is minimized to avoid stress concentrations in the epoxy matrix. A chamber and filtration system was designed and built to contain the byproducts produced in the machining process. The variables investigated are the number of repetitions in the offset path, the plunge rate, and the line energy. The research was performed over one baseline study, one parameter space exercise, two full factorial experiments, and one repeatability study. Assessment was done under an optical microscope converting pixels to micrometers. The minimum HAZ was 137μm with a line energy of 63.9 J/m, a plunge rate of 2.86 mm/min, and 10 repetitions per pass”--Abstract, page iii.
Liou, Frank W.
Mechanical and Aerospace Engineering
M.S. in Manufacturing Engineering
Missouri University of Science and Technology
x, 40 pages
© 2019 Leon James Neely Hill, All rights reserved.
Thesis - Open Access
Hill, Leon James Neely, "Laser machining countersinks in carbon fiber reinforced polymer" (2019). Masters Theses. 8076.