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Stress‐Cracking of high density polyethylene in detergents
Author(s) -
Tonyali Koksal,
Rogers Charles E.,
Brown Hugh R.
Publication year - 1987
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760270112
Subject(s) - materials science , polyethylene , environmental stress cracking , cracking , composite material , stress intensity factor , viscosity , constant (computer programming) , intensity (physics) , stress (linguistics) , high density polyethylene , fracture mechanics , stress concentration , stress corrosion cracking , optics , programming language , linguistics , philosophy , alloy , computer science , physics
Abstract Correlations of the stress intensity factor, K I , with crack speed, ċ, have been obtained in a number of detergent solutions each having different detergent concentration. A constant crack speed region was observed in high density polyethylene. The K I independent constant crack speed was found to vary linearly with detergent concentration. The viscosity of the detergent solution increases with concentration and hence this region is not controlled by the hydrodynamic properties of the environment in contrast with Williams' model. The K I ‐ċ data were compared with existing models of crack propagation.