Time-resolved Grazing-Incidence X-ray Diffraction Measurement to Understand the Effect of Hydrogen on Surface Strain Development in Super Duplex Stainless Steel

Cem Örnek, Alfred Larsson, Gary Harlow, Fan Zhang, Robin Kroll, Francesco Carlà, Hadeel Hussain, Ulf Kivisäkk, Dirk Engelberg, Edvin Lundgren, Jinshan Pan

Research output: Contribution to journalArticlepeer-review

Abstract

Grazing-incidence x-ray diffraction was employed to measure, operando, during electrochemical hydrogen charging, the lattice strain development of the near-surface in super duplex stainless steel under applied tensile load. Hydrogen absorption led to the formation of tensile strains in both the austenite (γ) and ferrite (δ) phases perpendicular to the loading axis, whereas compressive strains were formed in the ferrite phase parallel to the loading direction, despite the acting tensile load. The earliest stages of degradation are discussed in light of understanding hydrogen embrittlement.
Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalScripta Materialia
Volume187
Early online date11 Jun 2020
DOIs
Publication statusPublished - 1 Oct 2020

Fingerprint

Dive into the research topics of 'Time-resolved Grazing-Incidence X-ray Diffraction Measurement to Understand the Effect of Hydrogen on Surface Strain Development in Super Duplex Stainless Steel'. Together they form a unique fingerprint.

Cite this