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Heat generation at crack-tips and its effect on thermoelastic isopachics

Heat generation at crack-tips and its effect on thermoelastic isopachics
Heat generation at crack-tips and its effect on thermoelastic isopachics
It has been approved that the stress intensity factor (SIF) can be obtained from the thermoelastic data. This has been validated with experiments. The agreement between the thermoelastic results and the theory is excellent. However, there is a larger non-linear region of thermoleastic data compared to the theoretical plastic region at the crack-tip.
A finite element (FE) model was constructed that modelled both the stress field and the heat generation. The results show that the non-linear region occurs as a combination of plasticity and heat conduction from the crack-tip.
29-31
Guo, J.J.
ff2869a3-eb27-4dfd-8e4a-cc7871fd48e9
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632
Guo, J.J.
ff2869a3-eb27-4dfd-8e4a-cc7871fd48e9
Dulieu-Barton, J.M.
9e35bebb-2185-4d16-a1bc-bb8f20e06632

Guo, J.J. and Dulieu-Barton, J.M. (2002) Heat generation at crack-tips and its effect on thermoelastic isopachics. Postgraduate Conference : Proceedings 2003. School of Engineering Sciences, University of Southampton. 01 Jan 2003. pp. 29-31 .

Record type: Conference or Workshop Item (Paper)

Abstract

It has been approved that the stress intensity factor (SIF) can be obtained from the thermoelastic data. This has been validated with experiments. The agreement between the thermoelastic results and the theory is excellent. However, there is a larger non-linear region of thermoleastic data compared to the theoretical plastic region at the crack-tip.
A finite element (FE) model was constructed that modelled both the stress field and the heat generation. The results show that the non-linear region occurs as a combination of plasticity and heat conduction from the crack-tip.

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More information

Published date: 2002
Venue - Dates: Postgraduate Conference : Proceedings 2003. School of Engineering Sciences, University of Southampton, 2003-01-01 - 2003-01-01

Identifiers

Local EPrints ID: 22060
URI: http://eprints.soton.ac.uk/id/eprint/22060
PURE UUID: ad4751b6-3a1f-4bd7-8851-2bc2bd3d83a7

Catalogue record

Date deposited: 05 Jun 2006
Last modified: 22 Jul 2020 16:41

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