Ian Macmillan Ward FRS FInstP was a British physicist specialising in polymer science. He was Professor of Physics in the School of Physics and Astronomy at the University of Leeds and Visiting Professor at the University of Bradford.J. Sweeney is the author of An Introduction to the Mechanical Properties of Solid Polymers, 2nd Edition, published by Wiley.

• Preface. 1 Structure of Polymers. 2 The Deformation of an Elastic Solid. 3 Rubber-like Elasticity. 4 Principles of Linear Viscoelasticity. 5 The Measurement of Viscoelastic Behaviour. 6 Experimental Studies of Linear Viscoelastic Behaviour as a Function of Frequency and Temperature: Time-Temperature Equivalence. 7 Anisotropic Mechanical Behaviour. 8 Polymer Composites: Macroscale and Microscale. 9 Relaxation Transitions: Experimental Behaviour and Molecular Interpretation. 10 Creep, Stress Relaxation and Non-linear Viscoelasticity. 11 Yielding and Instability in Polymers. 12 Breaking Phenomena. Appendix 1. Appendix 2. Answers to Problems. Index.