Failure Mechanisms of an AISI 4135 Steel Submitted to the Disk Pressure Test under Helium and Hydrogen Gas

Kevin Ardon; Monique Gasperini; Yann Charles; Jader Furtado

doi:10.4028/www.scientific.net/KEM.592-593.291

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 592-593Failure Mechanisms of an AISI 4135 Steel Submitted...

Failure Mechanisms of an AISI 4135 Steel Submitted to the Disk Pressure Test under Helium and Hydrogen Gas

Abstract:

The present work focuses on the experimental multi-scale characterization of fracture of an AISI 4135 steel by using the Disk Pressure Test (DPT). In order to precise the specific features of hydrogen embrittlement, comparison was made between disks burst under helium and hydrogen gas. SEM - EBSD analysis of disks samples before and after the test allowed to analyze and to compare the main microstructural mechanisms of the failure process. The location of the main crack initiation was consistent with Finite Element (FE) simulations of the DPT.

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Periodical:

Key Engineering Materials (Volumes 592-593)

Pages:

291-294

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.592-593.291

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Online since:

November 2013

Authors:

Kevin Ardon*, Monique Gasperini, Yann Charles, Jader Furtado

Keywords:

Bainite, Disk Pressure Test, EBSD, Fracture, Hydrogen Embrittlement

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