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Article Dans Une Revue Metallurgical and Materials Transactions A Année : 2007

Two-dimensional and three-dimensional analyses of sigma precipitates and porosity in a superaustenitic stainless steel

Résumé

X-ray micro-tomography revealed not only the true three-dimensional (3-D) distribution, interconnectivity, and morphology of coarse sigma precipitates in an AL-6XN superaustenitic stainless steel, but also the presence of an internal void network associated with these precipitates. The voids were present within the bulk of the undeformed material, indicating that they formed during alloy fabrication. The presence of these voids in association with the brittle sigma particles has important implications for the mechanical behavior of these alloys.

Domaines

Matériaux

Dates et versions

hal-01822709 , version 1 (25-06-2018)

Identifiants

Citer

R. W. Fonda, E. M. Lauridsen, Wolfgang Ludwig, P. Tafforeau, G. Spanos. Two-dimensional and three-dimensional analyses of sigma precipitates and porosity in a superaustenitic stainless steel. Metallurgical and Materials Transactions A, 2007, 38A (11), pp.2721-2726. ⟨10.1007/s11661-007-9261-z⟩. ⟨hal-01822709⟩
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