Mechanical Properties of Polymers

Nielsen, L.E., 1962. Mechanical Properties of Polymers. Reinhold Publishing Corporation, New York. This book covers the following: Preface - 1 Introduction to mechanical behaviour - Importance of mechanical properties - Definition of mechanical terms - Behavior of viscoelastic materials - 2 Transitions in high polymers - Glass transitions - Relation of glass transitions to structure - Structure of copolymers - Glass transitions in plasticized systems - Crystalline polymers - Melting point of crystalline polymers - Relation of crystallinity and melting point to structure - Morphology of crystalline polymers - Secondary transitions - 3 Creep - General behaviour and instrumentation - Models - effect of glass transitions and temperature on creep - Effects of molecular weight and chain entanglements - Creep of crosslinked polymers - Creep of crystalline polymers - effect of stress - The superposition principle - Creep rupture tests - Creep studies on polymers - 4. Stress relaxation - General behaviour and instrumental - Model of stress relaxation and relaxation times - Effects of transitions and temperature on stress relaxation - Effects of molecular weight and crosslinking - Crylstalline polymers - Effect of elongation - The time-temperature superposition principle and reduced variables - Chemical reactions in polymers - Stress relaxation studies on polymers - 5 Stress-strain measurements - Importance and nature of tests - Types of stress-strain curves - Models - Cold-drawing - Effects of temperature and plasticizers - Effects due to speed of testing - Rubbers - properties of various polymers and effect of structure - Appendix stress-strain behaviour of a Maxwell unit - 6 Impact strength and theories of strength of polymers - Impact tests - Theories of fracture and strength of polymers - Strength and moduli of two-phase systems - 7 Dynamic mechanical testing - Significance and definitions - Instrumentation - Relations between damping terms - Models and viscoelastic theory - Relation of dynamic properties to molecular structure - Appendix A Dynamic mechanical properties measured by a torsion pendulum - Appendix B Dynamic mechanical behaviour of a Maxwell unit - 8 Interrelations between various properties - Calculations based on distributions of relaxation or retardation times - Calculations from molecular theories - Correlation of melt viscosity with dynamic mechanical properties - Correlation of creep and stress relaxation with dynamic properties - miscellaneous approximate interrelations - Electrical properties - 9 Miscellaneous mechanical properties - Heat distortion tests - hardness - Friction and abrasions - Fatigue - 10 Effects of orientation and thermal treatments on mechanical properties - Molecular orientation - Effect of orientation on the stress-strain properties of rigid polymers - effects of orientation on the dynamic properties of polymers - Effect of orientation on other properties - dependence of mechanical behaviour on thermal treatment - effects due to treatments with liquids and sintering - Symbols - Index

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