Matches in SemOpenAlex for { <https://semopenalex.org/work/W2903841851> ?p ?o ?g. }
Showing items 1 to 71 of
71
with 100 items per page.
- W2903841851 abstract "Polyvinyl chloride was oriented by hot drawing. The deformation was investigated under uniaxial tension at room temperature and at 50°C. The onset of yield was localised in deformation bands of which two kinds, referred to as type 1 and type 2, were observed. Type 2 bands formed before type 1 bands, but only type 1 bands developed into a running neck. The yield behaviour could be satisfactorily accounted for by a yield criterion based on the von Mises criterion, provided that a term representing an internal compressive stress in the molecular alignment direction was included. The internal stress was found to increase from zero with increasing prior extension ratio and birefringence, and was also equal to the true stress acting on the material during the initial hot drawing. The inclusion of a hydrostatic stress term in the criterion, the application to anisotropic materials of the Coulomb criterion and a critical strain form of the von Mises criterion are considered. Optical anisotropy changes are discussed in terms of an affine deformation model, which was found to apply for deformation at room temperature and 50°C, but not at 71°C and 90°C. The model has also been applied to the deformation, at 50°C, of oriented polyvinyl chloride, the molecular alignment of which was described by three different distribution functions. The agreement between theory and experiment was best for what is referred to as the Kuhn and Grun type 1 distribution. Stress whitening, which developed during hot stretching, is associated with changes in the room temperature deformation behaviour. There was a yield fracture transition at lambda[o] = 0° and a change in ductile fracture behavior at other values of lambda[o]. The ductile fracture direction in stress whitened material has been accounted for by a theory which proposed that the minimum energy was used in propagating the fracture. Two different kinds of type 1 bands were observed in oriented polyethylene. It is suggested that crystallinity may affect the position of the minimum yield stress." @default.
- W2903841851 created "2018-12-22" @default.
- W2903841851 creator A5012274118 @default.
- W2903841851 date "1970-01-01" @default.
- W2903841851 modified "2023-09-26" @default.
- W2903841851 title "The tensile deformation of oriented polyvinyl chloride and oriented polyethylene." @default.
- W2903841851 hasPublicationYear "1970" @default.
- W2903841851 type Work @default.
- W2903841851 sameAs 2903841851 @default.
- W2903841851 citedByCount "0" @default.
- W2903841851 crossrefType "dissertation" @default.
- W2903841851 hasAuthorship W2903841851A5012274118 @default.
- W2903841851 hasConcept C100944820 @default.
- W2903841851 hasConcept C112950240 @default.
- W2903841851 hasConcept C121332964 @default.
- W2903841851 hasConcept C134121241 @default.
- W2903841851 hasConcept C135628077 @default.
- W2903841851 hasConcept C138885662 @default.
- W2903841851 hasConcept C155165730 @default.
- W2903841851 hasConcept C159985019 @default.
- W2903841851 hasConcept C186068551 @default.
- W2903841851 hasConcept C192562407 @default.
- W2903841851 hasConcept C204366326 @default.
- W2903841851 hasConcept C21036866 @default.
- W2903841851 hasConcept C2776866176 @default.
- W2903841851 hasConcept C2779751980 @default.
- W2903841851 hasConcept C41895202 @default.
- W2903841851 hasConcept C97355855 @default.
- W2903841851 hasConceptScore W2903841851C100944820 @default.
- W2903841851 hasConceptScore W2903841851C112950240 @default.
- W2903841851 hasConceptScore W2903841851C121332964 @default.
- W2903841851 hasConceptScore W2903841851C134121241 @default.
- W2903841851 hasConceptScore W2903841851C135628077 @default.
- W2903841851 hasConceptScore W2903841851C138885662 @default.
- W2903841851 hasConceptScore W2903841851C155165730 @default.
- W2903841851 hasConceptScore W2903841851C159985019 @default.
- W2903841851 hasConceptScore W2903841851C186068551 @default.
- W2903841851 hasConceptScore W2903841851C192562407 @default.
- W2903841851 hasConceptScore W2903841851C204366326 @default.
- W2903841851 hasConceptScore W2903841851C21036866 @default.
- W2903841851 hasConceptScore W2903841851C2776866176 @default.
- W2903841851 hasConceptScore W2903841851C2779751980 @default.
- W2903841851 hasConceptScore W2903841851C41895202 @default.
- W2903841851 hasConceptScore W2903841851C97355855 @default.
- W2903841851 hasLocation W29038418511 @default.
- W2903841851 hasOpenAccess W2903841851 @default.
- W2903841851 hasPrimaryLocation W29038418511 @default.
- W2903841851 hasRelatedWork W140314673 @default.
- W2903841851 hasRelatedWork W1529156391 @default.
- W2903841851 hasRelatedWork W1849553025 @default.
- W2903841851 hasRelatedWork W1973803565 @default.
- W2903841851 hasRelatedWork W2014110372 @default.
- W2903841851 hasRelatedWork W2025499461 @default.
- W2903841851 hasRelatedWork W2035931593 @default.
- W2903841851 hasRelatedWork W2046168865 @default.
- W2903841851 hasRelatedWork W2053927903 @default.
- W2903841851 hasRelatedWork W2057214937 @default.
- W2903841851 hasRelatedWork W2061552011 @default.
- W2903841851 hasRelatedWork W2079868782 @default.
- W2903841851 hasRelatedWork W2091510685 @default.
- W2903841851 hasRelatedWork W2102327789 @default.
- W2903841851 hasRelatedWork W2156421458 @default.
- W2903841851 hasRelatedWork W2323719354 @default.
- W2903841851 hasRelatedWork W2325269479 @default.
- W2903841851 hasRelatedWork W2772590262 @default.
- W2903841851 hasRelatedWork W2772895419 @default.
- W2903841851 hasRelatedWork W2906489791 @default.
- W2903841851 isParatext "false" @default.
- W2903841851 isRetracted "false" @default.
- W2903841851 magId "2903841851" @default.
- W2903841851 workType "dissertation" @default.