Photoelasticity Of Glass
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Photoelasticity Of Glass
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Author : Hillar Aben
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Photoelasticity Of Glass written by Hillar Aben and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Glass is the oldest man-made material. Its invention about five thousand years ago should be considered as one of the crucial events in the history of mankind. Glass has given man the possibility to have daylight in his protected living environment and to compensate the defects of his sight. Glass containers and tableware have played and still play an important role in man's everyday life. Glass elements in microscopes and telescopes have given us the possibility to learn the secrets of micro- and macrocosm. Glass participates in the most sophisticated technologies: glass fibers have caused a revolution in telecommunication, glass is used as a material for many modern electronic devices. Although nowadays plastics often make a strong competition to glass, for many applications glass is still the best material due to its specific properties - its hardness, good transparency, resistance to chemicals, the easiness to shape glass articles, feasibility to change the composition of the glass in order to meet new specific demands, etc. Two peculiarities of glass should be pointed out. The first is the fragility of glass - it breaks easily due to tensile stresses. The second is the fact that in every glass item there exist residual stresses due to the complicated technological process during which glass from the state of a viscous liquid at high temperature turns into solid state, while cooled down.
Photoelasticity Of Glass
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Author : Hillar Aben
language : en
Publisher:
Release Date : 1993-04-27
Photoelasticity Of Glass written by Hillar Aben and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-04-27 with categories.
This book presents a sytematic approach to contemporary phototelasticity with particular emphasis on stress analysis in glass. A review of different kinds of residual stresses in glass is presented. Besides traditional photoelastic techniques, differential refractrometry for stress determination on the surface of flat glass and integrated photoelasticity for stress determination in glass articles ofcomplicated shape are considered in detail. Original photoelastic apparatus and corresponding measurement techniques as well as stress calculation algorithms are described. Many practical examples illustrate the possibilities of modern photoelasticity for stress measurement in flat glass, containers, tumblers, tubes, optical fibres and fibre performs etc. The book can be considered as a textbook for a specialist in glass industry who wants to check the quality of products or tries to optimize theproduction process parameters from the point of view of the residual stresses. Furthermore, the book gives a number of new nondestructive methodswhich have not been described in earlier books on photoelasticity.
Photoelasticity Of Glass Under Thermal Stress
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Author : Fook Joo Teoh
language : en
Publisher:
Release Date : 1998
Photoelasticity Of Glass Under Thermal Stress written by Fook Joo Teoh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Photoelasticity Of Glass Under Thermal Stress
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Author : Kia Kit Low
language : en
Publisher:
Release Date : 1996
Photoelasticity Of Glass Under Thermal Stress written by Kia Kit Low and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Basic Optical Stress Measurement In Glass
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Author : H. W. McKenzie
language : en
Publisher:
Release Date : 2014-05
Basic Optical Stress Measurement In Glass written by H. W. McKenzie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05 with Technology & Engineering categories.
There are many texts dealing with photoelastic analysis and its applications, but they are not aimed specifically at the assessment of residual stresses in glasses. This publication offers a practical guide providing information on the various optical arrangements and interpretation of results from typical plant apparatus, it is of general interest to those making stress measurements within the glass industry.
Rgb Photoelasticity Applied To Glass Components
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Author :
language : pt-BR
Publisher:
Release Date : 2000
Rgb Photoelasticity Applied To Glass Components written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
A fotoelasticidade é uma ferramenta poderosa para análise de tensões em problemas bi e tridimensionais. Nos últimos anos a técnica vem ganhando renovado interesse da comunidadecientífica devido à adaptação de modernas técnicas de aquisição e processamento digital de imagens. Uma das linhas mais promissoras é a Fotoelasticidade RGB, que entende a cor como uma combinação única dos níveis de intensidade das componentes Red, Green e Blue. Tratasede uma metodologia poderosa, porém de fácil compreensão e aplicação em ambientes industriais. Uma aplicação tradicional da fotoelasticidade é na inspeção de tensões residuais em componentes de vidro, utilizando-se a Norma ASTM F218. Esta Norma estabelece dois procedimentos para a determinação da ordem de franja isocromática: um quantitativo e outro qualitativo. O vidro tem birrefringência muito baixa, o que faz com que a resposta ótica seja basicamente em tons de cinza. No seu procedimento qualitativo a Norma ASTM F218 recomenda a utilização de um filtro retardador de onda inteira. Com esse simples procedimento, a resposta ótica se modifica. No lugar de tons de cinza tem-se cores em torno da passagem do vermelho para o azul, o que simplifica muito a análise de birrefringência por um operador. A aplicação da Fotoelasticidade RGB para componentes de vidro, transformaeste método qualitativo em quantitativo: a cor deixa de ser um parâmetro abstrato, e passa a ser um número. Este trabalho analisa os procedimentos necessários para aplicar a Fotoelasticidade RGB à indústria do vidro. A Norma ASTM F218 recomenda que o filtro de onda inteira, seja inseridocom sua direção principal alinhada à direção principal de cada ponto analisado. Foi pesquisada a diferença entre os resultados obtidos, quando a norma é seguida, e quando éutilizado um procedimento simplificado, ou seja, é utilizada apenas uma posição do filtro para analisar todos os pontos. Além disso, o método foi aplicado a dois casos: um esteme e um bulbo de lâmpada. Nos dois casos, foram analisados um componente considerado bom e outro considerado ruim, por seu fabricante, procurando mostrar seus estados de tensões residuais através da Fotoelasticidade RGB.
Composition And Structure Dependence Of The Photoelastic Response Of Oxide Glass
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Author : Vincent Martin
language : en
Publisher:
Release Date : 2011
Composition And Structure Dependence Of The Photoelastic Response Of Oxide Glass written by Vincent Martin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Technology Of Integrated Photoelasticity For Residual Stress Measurement In Glass Articles Of Axisymmetric Shape
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Author : Johan Anton
language : en
Publisher:
Release Date : 2008
Technology Of Integrated Photoelasticity For Residual Stress Measurement In Glass Articles Of Axisymmetric Shape written by Johan Anton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
On The Photoelastic Constant Of Glass Under Large Stresses
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Author : G. M. Bartenev
language : en
Publisher:
Release Date : 1954
On The Photoelastic Constant Of Glass Under Large Stresses written by G. M. Bartenev and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Glass categories.
Photoelasticity
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Author : M. M. Leven
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Photoelasticity written by M. M. Leven and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Photoelasticity presents the development of photoelasticity. This book discusses the principle of optical equivalence of stressed isotropic bodies. Organized into 29 chapters, this book begins with an overview of the progress in three-dimensional photoelasticity. This text then summarizes the approximate theoretical analysis by the strain-energy technique and derives the basic equations for the evaluation of P and Q by graphical integration. Other chapters consider the importance of stress concentrations in the domain of strength of materials, particularly where fatigue is present. This book discusses a well the various instructive fractures and indicates that the strength of bakelite is determined by the maximum tensile stresses as computed by advanced methods of stress analysis. The final chapter deals with the two fundamental problems in three-dimensional photoplasticity and explains the general stress-optic law under plastic flow without unloading. This book is a valuable resource for designers as well as mechanical and civil engineers.