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Article Dans Une Revue Defect and Diffusion Forum Année : 2002

Long-Term Life of Ni/Cu Bellows: Effect of Diffusion on Thermomechanical Properties

Résumé

The aim of this paper is to discuss different couplings between diffusion, re- crystallisation/grain growth, strain/stress, heat transfer and thermo-mechanical behaviour of metallic materials. The understanding of these different physical phenomena is needed to predict the long-term life of mechanical parts in components. Some results are presented and further studies are suggested to improve the evaluation of the (inter)diffusion and re- crystallisation parameters in fine-grained electroplated Ni/Cu materials. To illustrate the coupling between elasticity and diffusion, classical results in homogenisation consistent with the main diffusion regime are used to predict the change in elastic moduli with time.
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Dates et versions

hal-00002921 , version 1 (21-09-2004)

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Olivier Arnould, François Hild. Long-Term Life of Ni/Cu Bellows: Effect of Diffusion on Thermomechanical Properties. Defect and Diffusion Forum, 2002, 203-205, pp.61-80. ⟨10.4028/www.scientific.net/DDF.203-205.61⟩. ⟨hal-00002921⟩
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