Observations of Intergranular Stress Corrosion Cracking in a Grain-Mapped Polycrystal-Reference-Cited by-同舟云学术

Observations of Intergranular Stress Corrosion Cracking in a Grain-Mapped Polycrystal

Published:2008-07-18 Issue:5887 Volume:321 Page:382-385
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

King A.¹²³,Johnson G.¹²³,Engelberg D.¹²³,Ludwig W.¹²³,Marrow J.¹²³

Affiliation:

1. School of Materials, University of Manchester, Manchester M13 9PL, UK.

2. European Synchrotron Radiation Facility, Grenoble, France.

3. Matériaux: Ingénierie et Science, Institut Nacional des Sciences Appliquées de Lyon, Villeurbanne, France.

Abstract

Nondestructive three-dimensional mapping of grain shape, crystallographic orientation, and grain boundary geometry by diffraction contrast tomography (DCT) provides opportunities for the study of the interaction between intergranular stress corrosion cracking and microstructure. A stress corrosion crack was grown through a volume of sensitized austenitic stainless steel mapped with DCT and observed in situ by synchrotron tomography. Several sensitization-resistant crack-bridging boundaries were identified, and although they have special geometric properties, they are not the twin variant boundaries usually maximized during grain boundary engineering.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference24 articles.

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