Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Small-angle scattering by dislocations.

Thomson¹, Levine, Long

¹NIST, Gaithersburg, MD 20899, USA.

Acta Crystallographica. Section A, Foundations of Crystallography

|August 6, 2000

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Case of Concussion.

Edinburgh medical and surgical journal·2018

Same author

Correspondence.

Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland·2013

Same author

Stapled haemorrhoidectomy.

Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland·2013

Same author

October 18, 2000 8:30-8:45. Problem Solving with FDG Positron Emission Mammography.

Clinical positron imaging : official journal of the Institute for Clinical P.E.T·2001

Same author

Coarsening of a class of driven striped structures

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2001

Same author

Endogenous interleukin 6 production protects against histopathologic damage in a murine model of ischemia/reperfusion injury.

Current surgery·2000

Same journal

Report of the Executive Committee for 2006.

Acta crystallographica. Section A, Foundations of crystallography·2020

Same journal

Spin line groups.

Acta crystallographica. Section A, Foundations of crystallography·2013

Same journal

Distribution rules of systematic absences on the Conway topograph and their application to powder auto-indexing.

Acta crystallographica. Section A, Foundations of crystallography·2013

Same journal

Platonic solids generate their four-dimensional analogues.

Acta crystallographica. Section A, Foundations of crystallography·2013

Same journal

C70, C80, C90 and carbon nanotubes by breaking of the icosahedral symmetry of C60.

Acta crystallographica. Section A, Foundations of crystallography·2013

Same journal

Comparative study of X-ray charge-density data on CoSb3.

Acta crystallographica. Section A, Foundations of crystallography·2013

See all related articles

Small-angle scattering reveals dislocation structures in deformed metals. This technique probes edge dislocation arrangements, offering insights into material microstructure by analyzing scattered X-rays or neutrons.

Area of Science:

Materials Science
Condensed Matter Physics

Background:

Deformed metals contain complex dislocation structures.
Understanding these structures is crucial for material properties.

Purpose of the Study:

To analyze small-angle scattering of X-rays or neutrons by dislocations in deformed metals.
To determine how dislocation arrangement influences scattering patterns.

Main Methods:

Small-angle X-ray scattering (SAXS) and small-angle neutron scattering (SANS).
Analysis of scattering intensity based on dislocation configurations (single, dipoles, walls).
Modeling scattering sensitivity to edge dislocation components and their distribution.

Main Results:

Scattering intensity is sensitive to dislocation arrangement: single dislocations, wall plane configuration, and wall thickness distribution.

Related Experiment Videos

Scattering is primarily from dislocations perpendicular to the scattering vector.

Scattering intensity depends on the scattering vector magnitude |q|, distinguishing between incoherent scattering (total edge content) and coherent scattering (distribution).

Conclusions:

Small-angle scattering can selectively probe specific dislocation segments and their arrangements.
By adjusting scattering geometry, various microstructural parameters of deformed metals can be experimentally determined.
The technique provides a powerful tool for characterizing dislocation substructures and their impact on material properties.