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E-raamat: Viscoelastic Behavior of Rubbery Materials

(Polymer Physics Section, Naval Research Laboratory, Washington, DC)
  • Formaat: EPUB+DRM
  • Ilmumisaeg: 30-Jun-2011
  • Kirjastus: Oxford University Press
  • Keel: eng
  • ISBN-13: 9780191621116
  • Formaat - EPUB+DRM
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  • Formaat: EPUB+DRM
  • Ilmumisaeg: 30-Jun-2011
  • Kirjastus: Oxford University Press
  • Keel: eng
  • ISBN-13: 9780191621116

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The enormous size of polymer molecules causes their molecular motions to span a broad range of length scales and give rise to viscoelastic behavior. This rate-dependence of the properties is a predominant characteristic of soft materials (rubbers, biopolymers, lubricants, adhesives, etc.). Improving the performance and developing new applications for soft materials require an understanding of the basic principles of how molecular motions underlie physical properties.

This text is intended to provide grounding in fundamental aspects of the dynamic behavior of rubbery materials, adopting a molecular perspective in its treatment to emphasize how microscopic processes are connected to the observed macroscopic behavior. The latest discoveries and advances in the science and technology of rubbery materials are described and critically analyzed.

Arvustused

... The result is a very readable presentation of viscoelastic behavior with an emphasis on the phenomenology and an understanding of its molecular basis. * Patrick Ilg, Applied Rheology *

1 Introduction
1(37)
1.1 Viscoelasticity and high elasticity in polymers
2(5)
1.2 Modes of motion
7(21)
1.3 Fluctuations and linear response theory
28(10)
References
33(5)
2 Cooperative local dynamics - the glass-transition zone
38(41)
2.1 Non-exponential and non-Arrhenius behavior
42(6)
2.2 Temperature and density effects on τα
48(6)
2.3 Dispersion of relaxation times and dynamic heterogeneity
54(6)
2.4 Johari Goldstein secondary relaxations
60(5)
2.5 Decoupling phenomena
65(4)
2.6 Applications
69(10)
References
72(7)
3 Chain dynamics
79(41)
3.1 Unentangled polymers
79(8)
3.2 Entangled polymers
87(17)
3.3 Practical aspects of diffusion
104(16)
References
114(6)
4 Networks
120(40)
4.1 Phenomenological elasticity models
121(7)
4.2 Chain models
128(3)
4.3 Constraint models
131(4)
4.4 Role of molecular motions in the elastic response
135(4)
4.5 Alternative network structures
139(21)
References
154(6)
5 Constitutive modeling, non-linear behavior, and the stress-optic law
160(39)
5.1 Linearity and the superposition principle
160(1)
5.2 Internal stress and optical birefringence
161(14)
5.3 Reversing strain histories
175(7)
5.4 Empirical rules for non-linear flow
182(5)
5.5 Payne effect
187(12)
References
193(6)
6 Reduced variables and characteristic relaxation times
199(37)
6.1 Time temperature superpositioning
199(8)
6.2 Thermorheological complexity
207(4)
6.3 Density scaling of the dynamics
211(16)
6.4 Characteristic relaxation times
227(9)
References
232(4)
7 Blends
236(28)
7.1 Dynamic properties of miscible polymer blends
236(13)
7.2 Relaxation models for miscible blends
249(6)
7.3 Phase-separated blends
255(9)
References
261(3)
8 Liquid-crystalline materials
264(18)
8.1 Liquid crystals
265(10)
8.2 Liquid-crystal elastomers
275(7)
References
279(3)
9 Bioelastomers
282(16)
9.1 Proteins
282(2)
9.2 Bioelastomers
284(14)
References
295(3)
10 Confinement effects on polymer dynamics
298(21)
10.1 Spatial confinement
298(8)
10.2 Filler effects
306(13)
References
315(4)
Glossary of Symbols 319(8)
Index 327
C.M. Roland is head of the Polymer Physics Section of the Naval Research Laboratory, Washington DC. After a PhD at Pennsylvania State Unversity, he worked as a researcher at The Firestone Tire & Rubber Co before joining the Naval Research Laboratory in 1986. He has won numerous for his research, including and has served in Editorial and Advisory capacities on several journals. He is a Fellow of the Institute of Materials, Minerals, and Mining (UK).
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