Knauss, W. G. (1989) Time dependent fracture of polymers. In: Advances in fracture research : proceedings of the 7th International Conference on Fracture (ICF-7), Houston, Tex., 20-24 March 1989. International series on the strength and fracture of materials and structures. Vol.4. Pergamon Press , New York, pp. 2683-2711. ISBN 0080343430 http://resolver.caltech.edu/CaltechAUTHORS:KNAafr89
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The fracture behavior of polymers is reviewed with emphasis on the time dependent aspects of the problem. Following a delineation of the history of crack propagation investigations in linearly viscoelastic materials, the effects of temperature and solvent environment are examined besides the special effects arising from fatigue loading. These phenomena are examined for both crosslinked and uncrosslinked polymers. Some special consideration is given to the phenomena connected with craze formation in amorphous homopolymers as well as in crystalline materials as exemplified by polyethylene. Finally, status of analytical tools and formulations of fracture problems involving non-linearly viscoelastic material behavior is delineated by means of some examples.
|Item Type:||Book Section|
|Additional Information:||This work was supported in part by the Office of Naval Research and by DARPA, Dr. L. Peebles technical monitor; the work was supported in part by the Program of Advanced Technologies at the California Institute of Technology with the industrial participants Aerojet General, General Motors and TRW. The writer is grateful to the assistance of several of his graduate students in the preparation of this manuscript, in particular G. Losi, T. Minahen, G. Pulos, P. Washabaugh, with D. Phillips as the secretary/typist.|
|Subject Keywords:||Fracture; polymer fracture; time dependence; viscoelasticity; plastics|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Archive Administrator|
|Deposited On:||10 Jun 2005|
|Last Modified:||26 Dec 2012 08:40|
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