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|Title: ||Environmental Stability of GFRP Laminated Composites: An Emphasis on Mechanical Behaviour|
|Authors: ||Mishra, G|
Mohapatra, S R
Behera, P R
Mohanty, U K
Ray, B C
|Keywords: ||FRP composites,|
|Issue Date: ||2010 |
|Citation: ||Journal of Aircraft Engineering and Aerospace Technology|
|Abstract: ||Purpose - The main objective of this experimental investigation is to assess the effect of thermal and cryogenic treatment on hygrothermally conditioned glass fibre reinforced epoxy matrix composites, the impact on its mechanical properties with change in percentage of individual constituents of the laminates.
Design/methodology/approach - The present investigation is an attempt at evaluating the performance of the laminates subjected to different thermal and cryogenic treatments for varying time with prior hygrothermal treatment. The variability of hygrothermal exposure is in the range of 4-64 hours. GFRP laminates with different weight fractions 0.50-0.60 of fibre re enforcements were used. The ILSS, which is a matrix dominated was studied by three point bend test using INSTRON 1195 material testing machine.
Findings - The post hygrothermal treatments (both thermal and cryogenic exposures) resulted in an increase in the rate of desorption of moisture. It is noted that the hygrother...|
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