Fatigue Behavior of Flax Fiber Reinforced Polymer Matrix Composites

منو

" Fatigue Behavior of Flax Fiber Reinforced Polymer Matrix Composites "
Islam, Md. Zahirul Ulven, Chad

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	1052793
Doc. No	:	TL51910
Main Entry	:	Islam, Md. Zahirul
Title & Author	:	Fatigue Behavior of Flax Fiber Reinforced Polymer Matrix Composites\ Islam, Md. ZahirulUlven, Chad
College	:	North Dakota State University
Date	:	2019
Degree	:	M.S.
student score	:	2019
Note	:	72 p.
Abstract	:	Bio-based flax fiber polymer composites (FFPC) have the potential to replace metals and synthetic fibers in certain applications due to their unique mechanical properties. However, the long term reliability of FFPC needs to be better understood. In this study, the fatigue limit was evaluated using mathematical, thermographic, and energy-based approaches. Each approach determined fatigue limits around 45% load of ultimate tensile strength at a loading frequency of 5 Hz. Thermographic and energy-based approaches were also implemented at different loading frequencies (5, 7, 10, and 15 Hz) to define the effect of loading frequency on the fatigue life. Fatigue limit was found to decrease slowly with increasing loading frequency. Moreover, two forms of damage energy (thermal and micro-mechanical) during cyclic loading was separated using an experimental approach to pinpoint the main responsible damage energy for decreasing fatigue limit with increasing loading frequency.
Descriptor	:	Materials science
	:	Mechanical engineering
Added Entry	:	Ulven, Chad
Added Entry	:	North Dakota State University