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Author : Mitchell Neal Gross
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (683 download)
Download or read book Optimization of Ion Exchange Strengthening in Glass written by Mitchell Neal Gross and published by . This book was released on 1977 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Junzo Wakaki
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (273 download)
Download or read book Strengthening of Glass by Ion Exchange written by Junzo Wakaki and published by . This book was released on 1975 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nathan Sonneville
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (671 download)
Download or read book Strengthening Glass by a Two-step Ion Exchange Process written by Nathan Sonneville and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert L. Tucker
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (186 download)
Download or read book The Strengthening of Glass by a Dual Ion Exchange Process written by Robert L. Tucker and published by . This book was released on 1977 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1468433814
Total Pages : 319 pages
Book Rating : 4.4/5 (684 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 22 (thesis year 1977) a total of 10,658 theses titles from 28 Canadian and 227 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 22 reports theses submitted in 1977, on occasion, certain universities do report theses submitted in previous years but not reported at the time.
Download or read book DOE/Integrated Ion Exchange Systems for High Strength Glass Products written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The overriding project objective was to develop ''integrated ion-exchange systems'' for soda-lime silicate compositions (container, float and specialty glasses) in which: (1) Strengthening times (e.g. the time required to reach a particular depth of surface compression) were reduced by at least a factor of 2, and up to a factor of 5. (2) The glass compositions and their forming related properties must be compatible with existing compositions so that compositions could be melted in existing furnaces. (3) It should be possible to change from the current composition to the new compositions with minimal loss of production/salable product. (4) The ''integrated system'' could incorporate both the glass composition and the process by which the exchange is accomplished with the process optimized for the specific system.
Author : HC. Lee
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (125 download)
Download or read book Ion-Exchange Strengthening of High Average Power Phosphate Laser Glass written by HC. Lee and published by . This book was released on 1991 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal stress induced fracture limits the power output of high average power glass laser slabs1. The fracture of laser glass is initiated by the onset of unstable propagation of subsurface microcracks in which local tensile stress exceeds the critical level. The production of subsurface flaws is inevitable for a standard high precision fabrication process. Applying a compressive stress surface layer can be used to counterbalance the thermal tensile stress imposed upon the surface during operation. We have developed an ion-exchange process submerging the phosphate glass into a mixed alkali nitrate salt melt. An ionic size differential induces a compressive layer of tens of microns. The process avoids water corrosion and preserves the finished optical surface quality during ion-exchange. Furthermore, we have optimized the process taking into account network relaxation as well as ion-exchanged concentration profile. To characterize the surface compressive stress, we have employed a biaxial flexure bending test. We have found that a finished HAP-4 laser glass with a tensile breaking strength of 200MPa can be strengthened to twice its original strength, namely 400MPa.
Author : Tonia H. Fletcher
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (953 download)
Download or read book Applied Voltage-driven Ion Exchange for Chemical Strengthening of Glasses written by Tonia H. Fletcher and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis Sylvester Postupack
Publisher :
ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.:/5 (32 download)
Download or read book Strengthening of Silicate Glasses by Ion Exchange written by Dennis Sylvester Postupack and published by . This book was released on 1974 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Study of the Effect of the Ion Exchange Strengthening Method on Macroflaws in Sodalime Glass written by and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce Martin Coons
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (195 download)
Download or read book Effect of Ion-exchange on the Failure Strength of Glass written by Bruce Martin Coons and published by . This book was released on 1975 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Connor Budziszewski
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (131 download)
Download or read book Effects of Pre-existing Surface Flaws on Chemical Strengthening of SLS Glass written by Connor Budziszewski and published by . This book was released on 2020 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study focused on the effect of surface flaws on ion-exchange strengthening of soda-lime silicate (SLS) glass. Flaws produced by Vickers indentations, scratching or particle impact were investigated. MOR data were determined and SEM techniques were used to obtain images of the ion-exchange profile around large flaws after ion-exchange and to determine if the ion-exchange medium penetrated and remained in the cracks. The resulting MOR data indicated that even deep indentation surface flaws strengthened during the initial treatments (1 hour at 400) reaching a maximum, then decreasing for additional treatment times, (16 hours) before again strengthening at long times. It was further shown that this effect is a function of flaw size. For indentation flaw depths less than about 25 microns, samples strengthen continuously with time. Additional experiments, including post-fracture SEM studies of the indentation crack surfaces were aimed at determining the origin of this effect. Results indicate that the anomalous MOR behavior was not caused by stress relaxations during the ion-exchange treatment or by contamination in the molten salt ion-exchange liquid within the crack, or by stress relaxation during the pre-ion-exchange heat treatment. However, the exact mechanism of the anomalous behavior was not determined. The SEM images proved that the ion-exchange medium does enter the flaws and allow ion-exchange to occur even near or at the crack tip. It is also shown that the ion-exchange medium does stay on the flaw surfaces after processing, cleaning and testing to failure. This may have important implications for the static fatigue behavior of chemically strengthened glass and suggests possible simple methods for reducing fatigue in all materials subject to the effect.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Study of the Effect of the Ion Exchange Strengthening Method on Macroflaws in Soda-Lime Glass written by and published by . This book was released on 1972 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work examines the strengthening effect of the ion exchange method of chemical tempering on two specific types of macroflaws, a thermally blunted crack and a sawcut, in soda-lime glass. The use of these macroflaws permitted a quantitative fracture mechanics analysis of the amount of strengthening produced, and a greater access for ion exchange at the flaw tip then could be afforded by a sharp crack. The specimens were treated for various lengths of time in a potassium nitrate bath at 365C. A double cantilever cleavage technique of measuring fracture surface energy was used to find G sub c, the strain energy release rate. The average increase in G sub c was found to be roughly linear reaching a maximum level of approximately 200% at twelve hours of treatment for the blunted crack specimen type, while a similar maximum of approximately 200% was reached at six hours of treatment for the sawcut specimen type. (Author).
Author : Lynnette D Madsen
Publisher : Springer
ISBN 13 : 3319234196
Total Pages : 378 pages
Book Rating : 4.3/5 (192 download)
Download or read book Materials Research for Manufacturing written by Lynnette D Madsen and published by Springer. This book was released on 2016-01-14 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about applied materials research in industry. It presents various important topics and challenges and gives guidance to materials researchers who move to industry. The book focuses on the materials manufacturing issues for industrial application. It deals with developments and challenges in traditional materials areas, such as metals and ceramics, and new opportunities that have risen from nanotechnology and additive manufacturing. The chapters, written by senior people from large companies, include successful manufacturing undertakings, several distinct and unresolved manufacturing challenges, with the focus on approaches, timelines and the skills needed for future company research and development. The book provides a cross-section of current and future approaches valuable for new employees and academics working in industry.
Author : D Uhlmann
Publisher : Elsevier
ISBN 13 : 0323157289
Total Pages : 295 pages
Book Rating : 4.3/5 (231 download)
Download or read book Elasticity and Strength in Glasses written by D Uhlmann and published by Elsevier. This book was released on 2012-12-02 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glass: Science and Technology, Volume 5: Elasticity and Strength in Glasses covers the scientific and engineering aspects of glass elasticity and strength. This volume is organized into six chapters and begins with the examination of the elastic properties of vitreous silica and silicate glasses, including those that contain moderate amounts of other network formers. The following chapters describe the fracture mechanics and inelastic deformation of oxide, metallic, and polymeric glasses. The discussion then shifts to the concept of glass strengthening approaches and some technologies of significant practical application to glasses. A chapter explores the process of thermal tempering of glass, including the physics, theories, and standards of the process. The last chapter focuses on the practical aspects of chemical strengthening and the mechanical and physical properties of the obtained glass. This book is of great benefit to glass scientists and researchers.
Author : Arun K. Varshneya
Publisher : John Wiley & Sons
ISBN 13 : 111847256X
Total Pages : 256 pages
Book Rating : 4.1/5 (184 download)
Download or read book Processing, Properties, and Applications of Glass and Optical Materials written by Arun K. Varshneya and published by John Wiley & Sons. This book was released on 2012-08-21 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides an excellent one-stop resource for understanding the most important current issues in the research in processing, properties and applications in glass and optical materials.
Author : Arun K. Varshneya
Publisher : Elsevier
ISBN 13 : 0128162260
Total Pages : 756 pages
Book Rating : 4.1/5 (281 download)
Download or read book Fundamentals of Inorganic Glasses written by Arun K. Varshneya and published by Elsevier. This book was released on 2019-05-09 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Inorganic Glasses, Third Edition, is a comprehensive reference on the field of glass science and engineering that covers numerous, significant advances. This new edition includes the most recent advances in glass physics and chemistry, also discussing groundbreaking applications of glassy materials. It is suitable for upper level glass science courses and professional glass scientists and engineers at industrial and government labs. Fundamental concepts, chapter-ending problem sets, an emphasis on key ideas, and timely notes on suggested readings are all included. The book provides the breadth required of a comprehensive reference, offering coverage of the composition, structure and properties of inorganic glasses. - Clearly develops fundamental concepts and the basics of glass science and glass chemistry - Provides a comprehensive discussion of the composition, structure and properties of inorganic glasses - Features a discussion of the emerging applications of glass, including applications in energy, environment, pharmaceuticals, and more - Concludes chapters with problem sets and suggested readings to facilitate self-study
