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Modeling of damage interaction in fatigue relaxation for long-term life prediction. Case of alloy 800 grade 2 study at 550°C

Identifieur interne : 000302 ( France/Analysis ); précédent : 000301; suivant : 000303

Modeling of damage interaction in fatigue relaxation for long-term life prediction. Case of alloy 800 grade 2 study at 550°C

Auteurs : A. El Gharad [Maroc] ; G. Pluvinage [France] ; Z. Azari [France] ; A. Elamraoui [Maroc] ; A. Kifani [Maroc]

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RBID : Pascal:03-0088733

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Abstract

Prediction of fatigue life in creep-fatigue at a temperature of 550°C has been made for an Inconel alloy with the help of 3 models of damage evolution: the Chaboche model, the Levaillant model, and a new model of creep-fatigue relaxation. The main advantages of the new model are that it requires only a few constants and provides high accuracy of the fatigue life prediction.


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Pascal:03-0088733

Le document en format XML

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