Tensile crazing and shear banding of styrene A: Temperature and rate effects | Zendy

Sultan J. N. | Zendy; McGarry F. J. | Zendy

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Tensile crazing and shear banding of styrene A: Temperature and rate effects

Author(s) -

Sultan J. N.,

McGarry F. J.

Publication year - 1974

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.760140407

Subject(s) - crazing , materials science , ultimate tensile strength , composite material , copolymer , styrene , natural rubber , shear rate , shear (geology) , activation energy , acrylonitrile butadiene styrene , melt flow index , deformation (meteorology) , rheology , polymer , chemistry , organic chemistry

Tensile yield, flow, and fracture mechanisms in styrene A (SA), a styrene‐acrylonitrile copolymer rubber‐modified styrene A (RMSA) have been studied and characterized into two basic types: tensile crazing and shear banding. Each can be represented by a master curve and equation over ranges of temperature and deformation rates. Each exhibits distinctive activation energy and volume values. Tensile crazing predominates in unoriented SA below 70°C, and in RMSA. Shear yielding predominates in oriented SA.

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