1970
DOI: 10.1080/14786437008225837
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The formation of micro shear bands in polystyrene and polymethylmethacrylate

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Cited by 188 publications
(62 citation statements)
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“…They clearly show that, for all the unmodified epoxy-polymers, birefringent shear bands form in the test specimen after the yield stress has been attained and the strain-softening region has been entered. This observation is in accord with the work of Bowden et al [52,53] who demonstrated that the occurrence of inhomogeneous plastic deformation, e.g. the formation of plastic shear bands, resulted from the presence of a strain-softening region in the true-stress versus true-strain relationship for a polymer.…”
Section: Plane-strain Compression Behavioursupporting
confidence: 81%
See 1 more Smart Citation
“…They clearly show that, for all the unmodified epoxy-polymers, birefringent shear bands form in the test specimen after the yield stress has been attained and the strain-softening region has been entered. This observation is in accord with the work of Bowden et al [52,53] who demonstrated that the occurrence of inhomogeneous plastic deformation, e.g. the formation of plastic shear bands, resulted from the presence of a strain-softening region in the true-stress versus true-strain relationship for a polymer.…”
Section: Plane-strain Compression Behavioursupporting
confidence: 81%
“…3 reveal that all of these polymers exhibited strain-softening which is known to lead to the formation of inhomogeneous, localised plastic-deformation [e.g. [52][53]; and indeed the tendency of the epoxy polymers to form localised, plastic shear-bands was confirmed from the transmission optical micrographs shown in Fig. 4.…”
Section: The Shear-banding Mechanismmentioning
confidence: 60%
“…The yield behaviour of glassy polymers is highly dependent on the hydrostatic pressure [27]. However, the tensile yield stress, σ yt can be related to the compressive yield stress, σ yc , by the relationship [28]:…”
Section: Dynamic Mechanical Analysismentioning
confidence: 99%
“…The SIC is a phenomenon which is experimentally investigated by many researchers (Bowden & Raha 1970;Bowden & Young 1974). Here, a phenomenological constitutive relation for the SIC process is introduced.…”
Section: (E) Stress-induced Crystallizationmentioning
confidence: 99%