Study of DGEBA and Novolac Adhesive Solutions between Ceramic and Steel Substrates

Abstract:

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The industrial application (under a confidential clause) concerns a ceramic/steel assembly. This PhD research is concerned with providing a reliable industrial bonding between ceramic and steel using structural adhesive. This industrial joint shall withstand a wide range of temperatures with brutal thermal changes. This paper focuses on the adhesive formulation. Indeed, we needed to compromise the adhesive flexibility: soft enough to resist the thermal stresses and compensate the coefficient of thermal expansion mismatch between the two substrates. We find this good compromise with DGEBA and Novolac epoxy based adhesive separated or blended. The influence of the different formulation parameters on the initial properties was studied by chemical, rheological and thermal tests on adhesive samples. Depending on those formulations, we observed different behaviours in term of glass transition temperature, cross-linking time and flexibility.

Info:

Periodical:

Edited by:

Moussa Karama

Pages:

37-47

DOI:

10.4028/www.scientific.net/AMR.112.37

Citation:

C. Gaussens et al., "Study of DGEBA and Novolac Adhesive Solutions between Ceramic and Steel Substrates", Advanced Materials Research, Vol. 112, pp. 37-47, 2010

Online since:

May 2010

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Price:

$35.00

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