The University of Southampton
University of Southampton Institutional Repository

Identifying creep mechanisms in plastic flow

Identifying creep mechanisms in plastic flow
Identifying creep mechanisms in plastic flow
The mechanisms occurring in plastic flow at elevated temperatures may be divided into three distinct classes depending upon whether they are intragranular dislocation mechanisms, grain boundary sliding including superplasticity or diffusion creep occurring through vacancy flow. The characteristics of these various mechanisms are described and procedures are outlined for distinguishing between the different processes. Using this approach, it is shown that there is good experimental data supporting the occurrence of both Harper Dorn creep and Nabarro Herring diffusion creep as distinct creep processes. Recent results reported from computer simulations, combined with experimental observations, suggest the possible occurrence of grain boundary sliding at low temperatures in nanostructured and ultrafine-grained materials.
522-531
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Langdon, T.G. (2005) Identifying creep mechanisms in plastic flow. Zeitschrift fur Metallkunde, 96, 522-531.

Record type: Article

Abstract

The mechanisms occurring in plastic flow at elevated temperatures may be divided into three distinct classes depending upon whether they are intragranular dislocation mechanisms, grain boundary sliding including superplasticity or diffusion creep occurring through vacancy flow. The characteristics of these various mechanisms are described and procedures are outlined for distinguishing between the different processes. Using this approach, it is shown that there is good experimental data supporting the occurrence of both Harper Dorn creep and Nabarro Herring diffusion creep as distinct creep processes. Recent results reported from computer simulations, combined with experimental observations, suggest the possible occurrence of grain boundary sliding at low temperatures in nanostructured and ultrafine-grained materials.

This record has no associated files available for download.

More information

Published date: 2005
Additional Information: Dedicated to Professor Wolfgang Blum on the occasion of his 65th birthday

Identifiers

Local EPrints ID: 23828
URI: http://eprints.soton.ac.uk/id/eprint/23828
PURE UUID: 3e7884d1-a81b-42a7-b6d5-3820b7d62e3f
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 17 Mar 2006
Last modified: 27 Apr 2022 01:44

Export record

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×