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Author : Gerald E. Hagler
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (79 download)
Download or read book Melt Fracture and Extensional Flows of Polymer Melts written by Gerald E. Hagler and published by . This book was released on 1972 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F N Cogswell
Publisher : Elsevier
ISBN 13 : 0857092987
Total Pages : 195 pages
Book Rating : 4.8/5 (57 download)
Download or read book Polymer Melt Rheology written by F N Cogswell and published by Elsevier. This book was released on 1981-01-01 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the ways in which melt flow behaviour can be exploited by the plastics engineer and technician for increased efficiency of processing operation, control of end product properties and selection and development of polymers for specific purposes. (reissued with minor corrections 1994)
Author : J. A. Brydson
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.F/5 ( download)
Download or read book Flow Properties of Polymer Melts written by J. A. Brydson and published by . This book was released on 1981 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rudy Koopmans
Publisher : CRC Press
ISBN 13 : 1420018280
Total Pages : 344 pages
Book Rating : 4.4/5 (2 download)
Download or read book Polymer Melt Fracture written by Rudy Koopmans and published by CRC Press. This book was released on 2010-08-03 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The continually growing plastics market consists of more than 250 million tons of product annually, making the recurring problem of polymer melt fracture an acute issue in the extrusion of these materials. Presenting a pictorial library of the different forms of melt fracture and real industrial extrusion melt fracture phenomena, Polymer Melt Fract
Author : Savvas G. Hatzikiriakos
Publisher : CRC Press
ISBN 13 : 142003068X
Total Pages : 484 pages
Book Rating : 4.4/5 (2 download)
Download or read book Polymer Processing Instabilities written by Savvas G. Hatzikiriakos and published by CRC Press. This book was released on 2004-11-30 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer Processing Instabilities: Control and Understanding offers a practical understanding of the various flows that occur during the processing of polymer melts. The book pays particular attention to flow instabilities that affect the rate of production and the methods used to prevent and eliminate flow instabilities in order to increase product
Author : Hermann Janeschitz-Kriegl
Publisher : Springer Science & Business Media
ISBN 13 : 3642688225
Total Pages : 538 pages
Book Rating : 4.6/5 (426 download)
Download or read book Polymer Melt Rheology and Flow Birefringence written by Hermann Janeschitz-Kriegl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present monograph is intended as an introduction into a field which certainly did not receive proper attention in the past. It is one of the aims of this book to verify this suppo sition. The author hopes to show that the technique of the measurement of flow birefringence can fulfil an important com plementary task in polymer melt rheology. From this point it is expected that the present monograph will attract the atten tion of polymer scientists in general, and of rheologists and process engineers in particular. Certainly, the fourth chapter will appeal to the latter group. As a teacher in polymer science and technology the author wants to address also the group of the graduate students. In fact, the standard knowledge acquired during usual university studies in chemistry, physics or engineering does not enable a quick start of research activities in the field of polymer melt rheology. Certainly, in this typically interdisciplinary field everyone can lay emphasis on matters which are familar to hirn because of his preceding education. Significant research activities, however, can only be generated on the basis of a more universal knowledge. In the absence of this knowledge beginners have to rely upon the guidance of their supervisors for an unduly long period. Otherwise they take the risk of losing too much of their costly time. This holds in particular for the experimentalists who cannot be dispensed from being familiar with the necessary theoretical background.
Author : P. Prentice
Publisher : iSmithers Rapra Publishing
ISBN 13 : 9781859570531
Total Pages : 136 pages
Book Rating : 4.5/5 (75 download)
Download or read book Rheology and Its Role in Plastics Processing written by P. Prentice and published by iSmithers Rapra Publishing. This book was released on 1995 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review encompasses fundamental principles and rheological equations of state, polymer melt rheology (shear and extensional flow, viscoelasticity, die swell and melt fracture) and rheological c094 techniques. It describes the main plastics processing techniques, and explains the influence of polymer melt rheology upon their operation. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database provides useful references for further reading.
Author : Geoffrey Marc Wise
Publisher :
ISBN 13 :
Total Pages : 460 pages
Book Rating : 4.:/5 (34 download)
Download or read book Near-wall Behavior of Polymer Melts in Shear Flow written by Geoffrey Marc Wise and published by . This book was released on 1999 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charoen Nakason
Publisher :
ISBN 13 :
Total Pages : 325 pages
Book Rating : 4.:/5 (117 download)
Download or read book Visualisation and Birefringence of Polymer Melt Flows written by Charoen Nakason and published by . This book was released on 1997 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: A flow visualisation cell was used together with image capture and image processing systems to observe the convergent flows of polymer melts in steady state single screw extrusion through a slit die. This technique provided useful information for assessment of any vortex and entry flow patterns for different flow conditions and various polymer types. Entry flow patterns are characterised in terms of natural entry profile, vortex boundary profile, location of vortex centre and detachment length. Stress birefringence provides principal stress difference measurements, which can be obtained from the digital image analysis of isochromatic fringes. The assessment of stress distribution in terms of centre line principal stress difference (PSD) or the extensional stress along the centre line of a slit, shear stress and first normal stress difference are obtained from the digitised isochromatic and isoclinic fringes together with stress optical coefficients via the stress optical law. Stress distributions can be combined with flow velocity measurements for the full entry flow. Average strain rate fields for the polymer melts flow at various flow conditions and different polymer types are therefore obtained. This technique also provides the assessment of apparent extensional viscosity from the ratio of extensional stress (...) and extensional strain rate (...). Two different approaches of the extensional viscosity assessments: particle tracking and digitised entry profile methods are established. Fully developed flow regions in terms of entrance and exit length for polymer melt flows of various flow conditions are determined using gradients of centre line extensional stress (or PSD) and the parallel patterns of isochromatic fringes in a downstrewn slit.
Author : Aroon Shenoy
Publisher : CRC Press
ISBN 13 : 1482295539
Total Pages : 477 pages
Book Rating : 4.4/5 (822 download)
Download or read book Thermoplastic Melt Rheology and Processing written by Aroon Shenoy and published by CRC Press. This book was released on 1996-08-23 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents rheological data on a number of polymers, making use of the master curve approach to determine unified curves for each generic type of polymer. The text offers a step-by-step procedure for developing a speadsheet computer program to obtain accurate thermoplastic rheograms at any tempertature without using sophisticated rheometres. It inclu
Download or read book Epilepsy Ephemera written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Rides
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (248 download)
Download or read book Extensional Flow Properties of Polymer Melts Using Converging Flow Methods written by Martin Rides and published by . This book was released on 1999 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joel D. Shore
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (456 download)
Download or read book Theory of Melt Fracture Instabilities in the Capillary Flow of Polymer Melts written by Joel D. Shore and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.I. Leonov
Publisher : Springer Science & Business Media
ISBN 13 : 9401112584
Total Pages : 492 pages
Book Rating : 4.4/5 (11 download)
Download or read book Nonlinear Phenomena in Flows of Viscoelastic Polymer Fluids written by A.I. Leonov and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents theoretical and experimental studies of flows of elastic liquids. Falling into this category are particularly the melts and concentrated solutions of such flexible-chain polymers as polyethylene, polyisobutylene and polypropylene, all of which are widely used in polymer processing. These polydisperse polymers vary greatly, from batch to batch, in their mechanical properties and 20% variation in a property is believed to be good enough. l 7 All recent books - devoted to the rheology of polymers do not answer the question of which constitutive equations should be used for solving the fluid mechanic problems of polymer processing in the usual case of an appreciable nonlinear region of deformation where nonlinear effects of shear and extensional elasticity are very important. Viscoelastic constitut ive equations cited commonly (see, e.g. Refs 5 and 6) do not describe simultaneously even the simplest cases of deformations, viz. simple shear and uniaxial extension. Moreover, some of them are internally inconsist ent and sometimes display highly unstable behaviour in simple flows without any fundamental reasons. Even more respected molecular ap free from these defects.
Author : Lawrence E. Nielsen
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.3/5 (91 download)
Download or read book Polymer Rheology written by Lawrence E. Nielsen and published by . This book was released on 1977 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Physical Laboratory (Great Britain). Centre for Materials Measurement and Technology
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (594 download)
Download or read book Extensional Flow Properties of Polymer Melts Using Converging Flow Methods written by National Physical Laboratory (Great Britain). Centre for Materials Measurement and Technology and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Rides
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (248 download)
Download or read book Extensional Flow Properties of Polymer Melts Using Stretching Flow Methods written by Martin Rides and published by . This book was released on 1999 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
