期刊
JOURNAL OF COMPOSITE MATERIALS
卷 46, 期 17, 页码 2055-2064出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0021998311429880
关键词
Accelerated aging; natural fiber; hybrid composite; curaua fiber
资金
- CNPq
- CAPES
This study investigates the combined effects of humidity and ultraviolet radiation on the mechanical properties of hybrid composite comprising glass-E and curaua fibers reinforcing terephthalic polyester resin. For this purpose, construction of an accelerated environmental aging chamber was carried out. Mechanical properties were evaluated using tensile and three-point bending tests, along with analysis of fracture characteristics. Mass loss analysis of the specimens was also conducted during exposure in the chamber. A composite with only glass-E fiber was also tested and used as a basis for comparison. In the original condition the hybrid composite exhibited mechanical properties similar to those of the composite containing only glass-E fiber. After aging, there was a decrease in mechanical properties. Aging was more harmful to the hybrid composite than to the glass-E fiber composite. The new hybrid composite developed is intended for engineering applications as an alternative material to glass fiber composites.
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