Thermodynamics of creep rupture

An earlier discussion of the entropy contributions to the well‐known Zhurkov relationship for creep rupture is developed from a more rigorous basis. It is demonstrated that well‐behaved Zhurkov materials (which follow his relationship closely) undergo quasistatic rupture (thermodynamically reversibl...

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Bibliographic Details
Published in:Journal of applied polymer science 1984-05, Vol.29 (5), p.1547-1551
Main Author: Papazian, Harold A.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Mechanical properties
Physical properties
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Summary:An earlier discussion of the entropy contributions to the well‐known Zhurkov relationship for creep rupture is developed from a more rigorous basis. It is demonstrated that well‐behaved Zhurkov materials (which follow his relationship closely) undergo quasistatic rupture (thermodynamically reversible). Other materials show modified Zhurkov behavior and can be described as undergoing nonquasistatic rupture, with an extra entropy term. By considering studies previously carried out in vacuum, this extra entropy has been attributed to surface phenomena.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.1984.070290509