By Montgomery T. Shaw, Visit Amazon's William J. MacKnight Page, search results, Learn about Author Central, William J. MacKnight,
A revised molecular method of a vintage on viscoelastic behavior
simply because viscoelasticity impacts the houses, visual appeal, processing, and function of polymers similar to rubber, plastic, and adhesives, a formal usage of such polymers calls for a transparent realizing of viscoelastic behavior.
Now in its 3rd version, creation to Polymer Viscoelasticity is still a vintage within the literature of molecular viscoelasticity, bridging the distance among primers on polymer technology and complicated research-level monographs. Assuming a molecular, instead of a mechanical process, the textual content offers a powerful grounding within the basic thoughts, designated derivations, and specific cognizance to assumptions, simplifications, and limitations.
This 3rd version has been solely revised and up to date to mirror fresh advancements within the box. New chapters include:
* Phenomenological remedy of Viscoelasticity
* Viscoelastic Models
* Time-Temperature Correspondence
* Transitions and rest in Polymers
* Elasticity of Rubbery Networks
* Dielectric and NMR Methods
With designated factors, corresponding equations, and experimental tools, supported through real-life functions (as good because the inclusion of a CD-ROM with facts to aid the exercises), this 3rd version presents present day scholars and pros with the instruments they should create polymers with stronger characteristics than ever.Content:
Chapter 1 advent (pages 1–6):
Chapter 2 Phenomenological remedy of Viscoelasticity (pages 7–50):
Chapter three Viscoelastic versions (pages 51–106):
Chapter four Time–Temperature Correspondence (pages 107–128):
Chapter five Transitions and rest in Amorphous Polymers (pages 129–164):
Chapter 6 Elasticity of Rubbery Networks (pages 165–212):
Chapter 7 Dielectric and NMR equipment (pages 213–245):
Read Online or Download Introduction to Polymer Viscoelasticity, Third Edition PDF
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Additional info for Introduction to Polymer Viscoelasticity, Third Edition
On running the experiment, the motion of the driven plate and the force on the load cell are recorded with a computer. These two signals are then compared in two ways: The first comparison is the phase difference between the two. The phase can be regarded as an angle if one considers the complete cycle to take place over an angle of 2ncorresponding to a complete circle. The phase angle is given the symbol 6. For a perfectly elastic substance, the two signals will be exactly in phase and 6 = 0. The second comparison is the amplitude ratio of the two signals.
It is apparent that equation (2-56) and equation (2-57) embody a Fourier sine and cosine transformation of G(t); thus normal Fourier transform’ methods PHENOMENOLOGICAL TREATMENT OF VISCOELASTICITY 35 permit the inversion of these relations to give the static modulus as a function of the dynamic properties. This is a specific example illustrative of the method by which one may relate static and dynamic properties. 2 In more general terms, it can be stated that the Boltzmann superposition principle, written in terms of a single material function, G(t), can be used to derive all other for linear viscoelastic properties.
Kopbatake, KolIoidZ. 159 18 (1958). 13. F. R, Schwarzl, in Deformation and Fracture of High Polymers, H. H. Kausch, J. A. Hassell and R. I Jaffee, eds, Plenum Press, New York, 1973, pp. 47-70. 14. M. Abramowitz and I. A. , Handbook of Mathematical Functions with Formulas, Graphs and Mathematical Tables, Dover, New York, 1972.