The unidirectional glass fiber reinforced furfuryl alcohol for pultrusion. II. Correlation of processing parameters for optimizing the process

2010 ◽  
Vol 119 (3) ◽  
pp. 1788-1796 ◽  
Author(s):  
Chin-Hsing Chen ◽  
I-Ken Chen
Keyword(s):  
Glass Fiber ◽  
Furfuryl Alcohol ◽  
Processing Parameters ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced ◽  
Unidirectional Glass

Research on the Influence of the Tension on Dielectric Strength of the Unidirectional Direction Glass Fiber Reinforced Composites

2013 ◽  
Vol 734-737 ◽  
pp. 2230-2235 ◽  
Author(s):  
Fang Tian ◽  
Su Li Xing ◽  
Ying She Luo
Keyword(s):  
Tensile Stress ◽  
Glass Fiber ◽  
Unsaturated Polyester ◽  
Longitudinal Direction ◽  
Dielectric Strength ◽  
Fiber Reinforced Composites ◽  
Reinforced Composites ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced ◽  
Unidirectional Glass

Based on the experimental measurements of materials dielectric strength, this paper is focused on the relationships between dielectric strength of the materials and tensile stress applied on them. The experimental results indicated that the dielectric strengths of the unsaturated polyester resin and the unidirectional glass fiber reinforced composites had an obvious decrease compared with the samples without of it. Furthermore, the dielectric strength decreased with the increase of tensile stress. When tensile stress reached 50% of the material tensile strength, the dielectric strength of the resin decreased 13.36%, and the unidirectional glass fiber reinforced unsaturated polyester composites decreased 19.86% with the tensile stress in the longitudinal direction and 12.06% in the transverse direction. When the experimental samples were broken down by electricity, cracks and pores which would lead to stress concentration were created between the electrodes around the breaking-down point. In a word, it is vital to make a research about the effect of stress on the insulating properties of materials.

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