Developments in Polymer Fracture, Volume 1E. H. Andrews |
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Page 22
... electron about its own axis . These motions give rise to orbital and spin magnetic moments respectively . A net ... electron then behaves similarly to a free electron . Consequently it is usual to consider only a paramagnetic species ...
... electron about its own axis . These motions give rise to orbital and spin magnetic moments respectively . A net ... electron then behaves similarly to a free electron . Consequently it is usual to consider only a paramagnetic species ...
Page 23
... electrons per unit mass , k is Boltz- mann's constant and T the thermodynamic temperature . Hence ESR provides information on the number of radicals produced as a con- sequence of a particular process . Electron spin resonance involving ...
... electrons per unit mass , k is Boltz- mann's constant and T the thermodynamic temperature . Hence ESR provides information on the number of radicals produced as a con- sequence of a particular process . Electron spin resonance involving ...
Page 227
... electron micrograph of a typical polyethylene single crystal is given in Fig . 2. Microscopic polymer single crystals are generally lamellae several micrometres across and a few hundred Ångstroms thick , with the molecules folding back ...
... electron micrograph of a typical polyethylene single crystal is given in Fig . 2. Microscopic polymer single crystals are generally lamellae several micrometres across and a few hundred Ångstroms thick , with the molecules folding back ...
Contents
Molecular Fracture | 17 |
Environmental Cracking of Polymers | 55 |
Impact Performance of Polymers | 121 |
Copyright | |
6 other sections not shown
Common terms and phrases
air craze applied stress behaviour bond brittle chain direction constant crack growth crack propagation crack tip crack velocity craze fibrils craze surface craze tip cross-linked curve cycles damage zone decrease delamination denture-base acrylic diacetylene displacement effect elastic elastomers electron environment environmental craze epoxy resins experimental failure modes fibres fibrils fracture mechanics fracture surface fracture toughness glass glass/epoxy impact strength impact tests increase K₁ laminates linear-elastic macroscopic materials matrix measured methanol modulus molecular fracture molecular weight molecules observed obtained occurs orientation parameter Phys plastic deformation plasticised plies PMMA poly(methylmethacrylate polyethylene polymer crystals Polymer Sci polymeric predicted radical concentration residual strength rubber semicrystalline semicrystalline polymers shear shown in Fig single crystals solid specimen static stick-slip stiffness strain rate stress intensity factor structure studies surface stress temperature tensile strength tensile stress test-piece thermoplastics thermosetting thickness tion unnotched Young's modulus