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Author:   J.L.S. Wales
Publisher:   Kluwer Academic Publishers Group
Imprint:   Kluwer Academic Publishers
Edition:   1976 ed.
Dimensions:   Width: 17.00cm , Height: 0.60cm , Length: 24.40cm
Weight:   0.454kg
ISBN:  

9789029801027

ISBN 10:   9029801026
Pages:   111
Publication Date:   31 March 1976
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

1. Introduction.- 1.1 Preamble.- 1.2 Linear Viscoelasticity.- 1.3 Normal Stresses in Simple Shear Flow.- 1.4 Flow Birefringence.- 1.5 Scope of the Investigation.- 2. Apparatus.- 2.1 The Cone-and-Plate Apparatus.- 2.1.1 Limitations of Cone-and-Plate Apparatus.- 2.1.2 Thermal Stability.- 2.2 The Slit Apparatus: Measurements in the 1-3 Plane.- 2.3 The Capillary Apparatus: Measurements in the 2-3 Plane.- 2.4 Measurement of the Path Difference.- 2.5 The Slit Viscometer.- 3. Materials.- 4. Theories.- 4.1 Molecular Theories.- 4.2 The Distribution Function (Basic Theory).- 4.3 The Elastic Dumbbell Model.- 4.4 The Rouse Model.- 4.5 Molecular-Phenomenological Theories.- 5. Results.- 5.1 The Stress-Optical Law.- 5.1.1 The Constancy of ?n sin 2X/2p12 in Steady Shearing.- 5.1.2 The Coaxiality of the Stress and Optical Tensors.- 5.1.3 Indirect Evidence of the Validity of the Stress-Optical Law at High Shear Stresses.- 5.1.4 Temperature Dependence of the Stress-Optical Coefficient.- 5.2 Intrinsic Quantities at Zero Shearing.- 5.3 Results with the Slit Apparatus.- 5.3.1 The Influence of the Aspect Ratio.- 5.3.2 The Influence of Pre-history.- 5.3.3 The Equilibrium Quantity n11 - n33.- 5.3.4 Measurements in the 1-2 Plane.- 5.4 Results with the Capillary Apparatus (n22 - n33).- 5.4.1 The Influence of Entrance and Exit Effects.- 5.4.2 The Influence of the Window Strain.- 5.4.3 Comparison of n22 - n33 with n11 - n22 and n11 - n33.- 5.5 Applications.- 5.5.1 The Relations between Steady Shearing Flow and Oscillatory Shearing.- 5.5.2 The Orientation in Injection Moulding.- 6. Discussion.- 6.1 The Stress-Optical Relation.- 6.2 The Diffusion Equation.- 6.3 The Deviatoric Components.- 6.4 The Molecular Models Applied to Melts.- 6.5 Steady Shearing - Oscillatory Shearing.

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