Aravind Jayarajan

Tailoring epoxy resin toughness for cryogenic conditions: An experimental approach

Aravind Jayarajan, K.E. Reby Roy, Mohd Yazid Yahya, Sanal Mohammed Badarudin et autres

This study explores the synergistic effect of polycarbonate (PC), acrylonitrile butadiene styrene (ABS), and diglycidyl ether of bisphenol A (DGEBA) in reducing the inherent brittleness of epoxy resins. A 90/10 (90:10 proportion based on mass) composition of PC/ABS blended with DGEBA at …

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Experimental evaluation on the synergistic effect of PC / ABS / DGEBA blend in fracture toughness enhancement of CFRP composites at cryogenic temperatures

Aravind Jayarajan, Reby Roy Krishnan Kutty Elsy Bai

Abstract The current study confirms that modified carbon fiber reinforced polymer (CFRP) composites have higher fracture toughness than unmodified CFRP composites achieved by exploiting the synergistic effect of a polycarbonate (PC)/acrylonitrile butadiene styrene (ABS) blend in toughening the diglycidyl ether of bisphenol …

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The Need for Application of Dynamic Mechanical Analysis in the Evaluation of Interlayer Materials

Aravind Jayarajan

Interlayer materials like Polyvinyl Butyral (PVB), Silicone and Urethane are viscoelastic in their mechanical behavior. Mechanical properties of a viscoelastic material are not only dependent on temperature, but also highly dependent on frequency or strain rate. Dynamics mechanical analysis provides an effective …

Development of aircraft lavatory compartments with improved fire resistance characteristics. Phase 4: Sandwich panel decorative ink development

Aravind Jayarajan, Gregg A. Johnson, G. L. Korver, Robert A. Anderson

Five chemically different resin systems with improved fire resistance properties were studied for a possible screenprinting ink application. Fire resistance is hereby defined as the cured ink possessing improvements in flammability, smoke emission, and thermal stability. The developed ink is for application …

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Advanced resin systems for graphite epoxy composites

William J. Gilwee, Aravind Jayarajan

The value of resin/carbon fiber composites as lightweight structures for aircraft and other vehicle applications is dependent on many properties: environmental stability, strength, toughness, resistance to burning, smoke produced when burning, raw material costs, and complexity of processing. A number of woven …

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