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Author : Flexographic Technical Association
Publisher :
ISBN 13 : 9780989437448
Total Pages : 390 pages
Book Rating : 4.4/5 (374 download)
Download or read book First 5. 0 written by Flexographic Technical Association and published by . This book was released on 2014-10-20 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1100 pages
Book Rating : 4.F/5 ( download)
Download or read book Scientific Information Bulletin written by and published by . This book was released on 1990 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Flexographic Association
Publisher :
ISBN 13 : 9781477698204
Total Pages : 328 pages
Book Rating : 4.6/5 (982 download)
Download or read book Flexographic Image Reproduction Specifications and Tolerances written by Flexographic Association and published by . This book was released on 2012-08-17 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: FIRST 4.0 is the industry's most comprehensive set of specifications, guidelines and tutorials designed to provide all members of the flexographic supply chain with the technical information they need to produce high quality and consistent print results, pressrun after pressrun. For FTA Member pricing visit http://www.ftastore.com
Author : Flexographic Technical Association
Publisher : Flexographic Technical Association
ISBN 13 : 9780989437417
Total Pages : 612 pages
Book Rating : 4.4/5 (374 download)
Download or read book Flexography written by Flexographic Technical Association and published by Flexographic Technical Association. This book was released on 2013-05-01 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flexography: Principles and Practices 6.0 is your definitive guide to the flexo industry, with information contributed by recognized experts representing some of the most respected companies in the field. The 6th edition of Flexography: Principles and Practices is undoubtedly the industry's most comprehensive textbook on flexographic printing.
Author : A. Christou
Publisher : Springer Science & Business Media
ISBN 13 : 9400924828
Total Pages : 571 pages
Book Rating : 4.4/5 (9 download)
Download or read book Semiconductor Device Reliability written by A. Christou and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is a compilation of papers presented at the Semiconductor Device Reliabi lity Workshop sponsored by the NATO International Scientific Exchange Program. The Workshop was held in Crete, Greece from June 4 to June 9, 1989. The objective of the Workshop was to review and to further explore advances in the field of semiconductor reliability through invited paper presentations and discussions. The technical emphasis was on quality assurance and reliability of optoelectronic and high speed semiconductor devices. The primary support for the meeting was provided by the Scientific Affairs Division of NATO. We are indebted to NATO for their support and to Dr. Craig Sinclair, who admin isters this program. The chapters of this book follow the format and order of the sessions of the meeting. Thirty-six papers were presented and discussed during the five-day Workshop. In addi tion, two panel sessions were held, with audience participation, where the particularly controversial topics of bum-in and reliability modeling and prediction methods were dis cussed. A brief review of these sessions is presented in this book.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721265565
Total Pages : 38 pages
Book Rating : 4.2/5 (655 download)
Download or read book Longtime Durability of Pmr-15 Matrix Polymer at 204, 260, 288, and 316 C written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-16 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Isothermal weight loss studies at the Glenn (Lewis) Research Center were conducted at four temperatures (204, 260, 288, and 316 C) with specimens of varied geometric shapes to investigate the mechanisms involved in the thermal degradation of PMR-15. Both neat resin behavior and composite behaviors were studied. Two points of interest in these studies are the role(s) of oxygen in the mechanisms involved in the thermo-oxidative degradation of these composite materials and the dimensional changes that occur during their useable lifetime. Specimen dimensional changes and surface layer growth were measured and recorded. It was shown that physical and chemical changes take place as a function of time and location in PMR-15 neat resin and composites as aging takes place in air at elevated temperatures. These changes initiate at the outer surfaces of both materials and progress inward following the oxygen as it proceeds by diffusion into the central core of each material. Microstructural changes cause changes in density, material shrinkage (strains), glass transition temperature, dimension, dynamic shear modulus, and compression properties. These changes also occur slowly dividing the polymer material into two distinct parts: a visibly undamaged core section between two visibly damaged surface layers. The surface layer has a significant effect on compression properties of thinner specimens, but the visibly undamaged core material controls these properties for specimens having eight or more plies. It was demonstrated that there are three different mechanisms involved in the degradation of PMR-15 during aging at elevated temperatures. These are a weight gain, a small weight fraction bulk material weight loss, and a large mass fraction weight loss concentrated at the surface of the polymer or composite. At the higher temperatures (260 C and above), the surface loss predominates. Below 260 C, the surface loss and the bulk core loss become more equivalent. Between 175 and 260 C,
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720622994
Total Pages : 82 pages
Book Rating : 4.6/5 (229 download)
Download or read book Mechanical Properties of Degraded Pmr-15 Resin written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermo-oxidative aging produces a nonuniform degradation state in PMR-15 resin. A surface layer, usually attributed to oxidative degradation, forms. This surface layer has different properties from the inner material. A set of material tests was designed to separate the properties of the oxidized surface layer from the properties of interior material. Test specimens were aged at 316 C in either air or nitrogen, for durations of up to 800 hr. The thickness of the oxidized surface layer in air aged specimens, and the shrinkage and coefficient of thermal expansion (CTE) of nitrogen aged specimens were measured directly. The nitrogen-aged specimens were assumed to have the same properties as the interior material in the air-aged specimens. Four-point-bend tests were performed to determine modulus of both the oxidized surface layer and the interior material. Bimaterial strip specimens consisting of oxidized surface material and unoxidized interior material were constructed and used to determine surface layer shrinkage and CTE. Results confirm that the surface layer and core materials have substantially different properties.Tsuji, Luis C.Glenn Research CenterDEGRADATION; MECHANICAL PROPERTIES; POLYIMIDE RESINS; SURFACE LAYERS; MODULUS OF ELASTICITY; THERMAL EXPANSION; COEFFICIENTS; BEND TESTS
