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Early Steps of Pore Formation During Stainless Steel Oxides Reduction with Hydrogen at 1373 K (1100 °C)

Abstract : A 10-µm-thick oxide scale covering an austenitic stainless steel has been reduced with hydrogen at 1373 K (1100 °C) to study the resulting porosity. Multiple methods of characterization have been employed on samples with the reduction time ranging from 5 seconds to 30 minutes. Focus has been placed on short durations to highlight the different steps occurring during the reduction. Three main steps have been observed, leading to micrometer scale porosity. The process is regarded as a potential new method for creating metal porous surfaces.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01274664
Contributor : Magalie Prudon <>
Submitted on : Tuesday, February 16, 2016 - 10:01:57 AM
Last modification on : Thursday, September 24, 2020 - 5:22:55 PM

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Valentin Badin, Entela Diamanti, Pierre Forêt, Evelyne Darque-Ceretti. Early Steps of Pore Formation During Stainless Steel Oxides Reduction with Hydrogen at 1373 K (1100 °C). Metallurgical and Materials Transactions B, Springer Verlag, 2016, 47 (2), pp.1445-1452. ⟨10.1007/s11663-016-0585-1⟩. ⟨hal-01274664⟩

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