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|Title: ||Evaluation of structural integrity and mechanical behavior of advanced FRP composites|
|Authors: ||Sethi, S|
Ray, B C
|Keywords: ||Composite materials|
|Issue Date: ||2011 |
|Publisher: ||Emerald Group Publishing Limited|
|Citation: ||International Journal of Structural Integrity, Vol. 2 Iss: 2, pp.214 - 222|
|Abstract: ||In this investigation, microstructural integrity at the interface and consequently an implicating effect on mechanical behavior was analyzed.
In the light of Fourier transform infrared spectroscope (FTIR imaging) and temperature-modulated differential scanning calorimeter, a sorption mechanism was established. Thermal spike and thermal shock treatment was carried out at 150 and 80°C, respectively. This suggested that fiber/matrix adhesion rests on the structure and properties of both the fiber and matrix in the region near the interface during the hygrothermal treatment.
The carbon surface was found to selectively absorb the tertiary amine catalyst and to modify the chemical state of the cured resin apparently through the effects of absorbed water. The higher values of glass transition temperature (Tg) resulted in longer immersion time and higher exposure temperature. Together, these techniques provide a comprehensive picture of chemical and physical changes at the interphase region....|
|Description: ||Copyright for this article belongs to Emerald Group Publishing Limited|
|Appears in Collections:||Journal Articles|
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