Influence of the temperature on the mechanical properties of a steel-Noryl GTX single lap joint

The tensile behaviour of a metal-polymer adhesive junction has been determined experimentally between -40 deg C and +85 deg C and analysed by f.e.m. The difference of thermal linear expansion coefficients between steel and Noryl induces specific thermal strains. At 85 deg C, the drop of the modulus...

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Bibliographic Details
Published in:Materials for Advanced Metallization (MAM), European Workshop European Workshop, 2000-09, Vol.296 Suppl., p.570-574
Main Authors: Roy, A, Fuseau, C, Gacougnolle, J L, Bezine, G, Vrillac, P
Format: Article
Language:English
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Summary:The tensile behaviour of a metal-polymer adhesive junction has been determined experimentally between -40 deg C and +85 deg C and analysed by f.e.m. The difference of thermal linear expansion coefficients between steel and Noryl induces specific thermal strains. At 85 deg C, the drop of the modulus of the methacrylate adhesive makes it able to accommodate this difference of expansion. At -40 deg C the high value of modulus of both Noryl and methacrylate allows a comparison with a cooled bimetal strip as described by Timoshenko; the high level of triaxiality of thermal stresses in the Noryl contributes to initiation of the rupture.
ISSN:1266-0167