Download An Introduction to the Mechanical Properties of Solid by I. M. Ward PDF

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By I. M. Ward

Offers a complete creation to the mechanical behaviour of sturdy polymers. largely revised and up to date all through, the second one variation now comprises new fabric on mechanical relaxations and anisotropy, composites modelling, non-linear viscoelasticity, yield behaviour and fracture of difficult polymers.

The available procedure of the e-book has been retained with every one bankruptcy designed to be self contained and the speculation and purposes of the topic conscientiously brought the place acceptable. the most recent advancements within the box are incorporated along labored examples, mathematical appendices and an intensive reference.

  • Fully revised and up-to-date all through to incorporate all of the newest advancements within the field
  • Worked examples on the finish of the chapter
  • An valuable source for college students of fabrics technological know-how, chemistry, physics or engineering learning polymer science

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An Introduction to the Mechanical Properties of Solid Polymers

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Additional info for An Introduction to the Mechanical Properties of Solid Polymers

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The change in free energy associated with the slip links is given by " # 3 Fs 1 X (1 þ ç)º2i 2 ¼ Ns þ log(1 þ çº i ) kT 2 1 þ çº2i i¼1 (3:34) where N s is the number of slip links per unit volume, º i are the deformation ratios and ç is the slipperiness factor, which in principle can vary between infinity for perfect sliding and zero for no sliding. 10 Slip-link model. (Reproduced with permission from Ball, Doi, Edwards and Warner, Polymer, 22, 1010 (1981)) where 3 Fc 1 X ¼ Nc º2i kT 2 i¼1 (3:35) and Nc is the number of permanent cross-links per unit volume.

Helv. Chim. Acta, 18, 570 (1935). 3. Meyer, K. , Von Susich, G. , Kolloidzeitschrift, 59, 208 (1932). 4. , Kolloidzeitschrift, 68, 2 (1934); 76, 258 (1936). 5. Guth, E. , Lit. , 65, 93 (1934). 6. Flory, P. , Chem. , 35, 51 (1944). 7. , Kolloidzeitschrift, 76, 258 (1936); 87, 3 (1939). 8. James, H. M. , J. Chem. , 11, 455 (1943). 9. Ward, I. , Mechanical Properties of Solid Polymers (2nd edn), Wiley, Chichester, 1983. 10. Ball, R. , Edwards, S. , Polymer, 22, 1010 (1981). 11. Edwards, S. F. , Polymer, 27, 483 (1986).

Flory, P. , Crescenzi, V. and Mark, J. , J. Am. Chem. , 67, 3202 (1971). 18. Taylor, D. J. , Stepto, R. F. , Jones, R. , Macromolecules, 32, 1978 (1999). 19. Cail, J. , Taylor, D. J. , Stepto, R. F. , Macromolecules, 33, 4966 (2000). Problems for Chapters 2 and 3 1. The tensile stress ó in an ideal rubber when simply extended to a length º times its initial length is given by ó ¼ NkT (º2 À ºÀ1 ) Explain without giving any mathematical details the physical model that leads to this expression. A sample of polyisoprene (density 1300 kg mÀ3 , monomer of relative molar mass 68) has a shear modulus of 4 3 105 Pa at room temperature.

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