Development of a Model of Synergistic Effects Between Deterioration Mechanisms and Damage in Woven Glass Fiber Reinforced Polymeric Composite Structure

2021 ◽  
Author(s):  
Zhiye Li ◽  
Michael Lepech
Keyword(s):  
Glass Fiber ◽  
Composite Structure ◽  
Synergistic Effects ◽  
Polymeric Composite ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced ◽  
Woven Glass Fiber

Evaluation of the environmental aging of the glass fiber-reinforced polymer composite when in contact with the effluent of a treatment plant

2019 ◽  
Vol 54 (11) ◽  
pp. 1385-1402 ◽  
Author(s):  
Yldeney Silva Domingos ◽  
Renata Carla Tavares dos Santos Felipe ◽  
Raimundo Nonato Barbosa Felipe ◽  
Glauber José Turolla Fernandes
Keyword(s):  
Glass Fiber ◽  
Polymer Composite ◽  
Treatment Plant ◽  
Polymeric Composite ◽  
Effluent Treatment ◽  
Uniaxial Tensile ◽  
Fiber Reinforced ◽  
Three Point Bending ◽  
Glass Fiber Reinforced ◽  
Environmental Aging

This paper presents an evaluation of the mechanical and physical behavior of the type E glass fiber-reinforced polymeric composite when exposed to environmental aging agents in an effluent treatment plant. The composite was made by the hand layup process, and the test bodies were made according to the American Society for Testing and Materials standards D3039-14 and D790-10 for the uniaxial tensile and three-point bending tests, respectively, where they were exposed for a period of eight months, conditioned above and immersed in the effluent of the treatment plant. The physicochemical characterization of the effluent was evaluated considering the following parameters: pH, conductivity, sulfate, alkalinity, acidity, sulfide, and temperature, aiming to characterize the effluent conditions in direct and indirect contact with the composite. After the exposure period, tests were carried out for morphological evaluation, structural integrity evaluation, mechanical performance evaluation, and fracture characterization of the polymer composite, thereby leading to a comparison of the mechanical characteristics in the original state to that of the aged state (after exposure in the effluent treatment plant). The polymeric composite studied was stable after the aging period, with little mass variation, less than 0.5%, and slight changes in color. The mechanical properties evaluated also did not change significantly during the study period. Variations in uniaxial tensile strength were less than 1.4% and for three-point bending less than 10%, thus showing that the type E glass fiber-reinforced polymer composite has potential for use in harsh environments such as in effluent treatment plants.

scholarly journals Woven Glass Fiber Composites with Aligned Carbon Nanotube Sheet Interlayers

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Hardik Bhanushali ◽  
Philip D. Bradford
Keyword(s):  
Fracture Toughness ◽  
Glass Fiber ◽  
Mode I ◽  
Mode Ii ◽  
Interlaminar Fracture Toughness ◽  
Fiber Reinforced ◽  
Interlaminar Fracture ◽  
Glass Fiber Reinforced ◽  
Short Beam ◽  
Woven Glass Fiber

This investigation describes the design, fabrication, and testing of woven glass fiber reinforced epoxy matrix laminates with aligned CNT sheets integrated between plies in order to improve the matrix dominated through thickness properties such as the interlaminar fracture toughness at ply interfaces. Using aligned CNT sheets allows for a concentration of millimeter long CNTs at the most likely point of laminate failure. Mode I and Mode II interlaminar fracture toughness of various CNT modified samples were investigated using double cantilever beam (DCB) and end notched flexure (ENF) experiments, respectively. Short beam strength (SBS) and in-plane tensile properties of the CNT modified samples were also investigated. Moderate improvement was observed in Mode I and Mode II fracture toughness at crack initiation when aligned CNT sheets with a basis weight of 0.354 g/m2were used to modify the ply interface. No compromise in the in-plane mechanical properties of the laminate was observed and very little improvement was observed in the shear related short beam strength of the CNT modified laminates as compared to the control samples. Integration of aligned CNT sheets into the composite laminate imparted in-plane and through thickness electrical properties into the nonconductive glass fiber reinforced epoxy composite laminates.

Thrust Force and Wear Assessment When Drilling Glass Fiber-Reinforced Polymeric Composite

2008 ◽  
Vol 42 (14) ◽  
pp. 1401-1414 ◽  
Author(s):  
P.E. Faria ◽  
R.F. Campos ◽  
A.M. Abrão ◽  
G.C.D. Godoy ◽  
J.P. Davim
Keyword(s):  
Glass Fiber ◽  
Thrust Force ◽  
Polymeric Composite ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced
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