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. Dans-la-suite, nous nous concentrerons sur le domaine des hautes températures dans lequel nous savons par ailleurs qu'il n'y a pas de rhéo-épaississement

. Nous-observons-qu, au cours du temps la contrainte relaxe par rapport à sa réponse élastique instantanée (?(t?0)) Si nous analysons la courbe obtenue pour un temps d'attente de 10 s, nous observons que la contrainte diminue d'abord rapidement, puis cette diminution ralentit nettement et l'évolution

. Mais, allure des courbes évolue aussi avec le temps d'attente. Ainsi, pour un temps d'attente Références du chapitre 6

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