Mechanichal Properties of DGEBA/TEPA Modified Epoxy Resin

Camila Rodrigues Amaral; Ruben Jesus Sanchez Rodriguez; Magno Luiz Tavares Bessa; Verônica Scarpini Cândido; Sergio Neves Monteiro

doi:10.4028/www.scientific.net/MSF.775-776.588

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HomeMaterials Science ForumMaterials Science Forum Vols. 775-776Mechanichal Properties of DGEBA/TEPA Modified...

Mechanichal Properties of DGEBA/TEPA Modified Epoxy Resin

Abstract:

The correlation between the structural network of a diglycidyl ether of the bisphenol-A (DGEBA) epoxy resin, modified by two distinct aliphatic amines (tetraethylenepentamine TEPA and jeffamine D230), and its mechanical properties, was investigated as possible matrix for abrasive composites applications. Both flexural tests, to determine the yield stress and the elastic modulus, as well as impact tests to determine the notch toughness, were performed. The DGEBA/D230 presented the highest stiffness and toughness but lowest yield stress. This epoxy network also displayed a greater plastic deformation during fracture.

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Periodical:

Materials Science Forum (Volumes 775-776)

Pages:

588-592

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.775-776.588

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Online since:

January 2014

Authors:

Camila Rodrigues Amaral, Ruben Jesus Sanchez Rodriguez, Magno Luiz Tavares Bessa, Verônica Scarpini Cândido, Sergio Neves Monteiro

Keywords:

Aliphatic Amine, DGEBA/TEPA, Epoxy Resin (ER), Mechanical Property

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