Determining The Toughness Of Ceramics From Vickers Indentationsusing The Crack Opening Displacements

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Determining the Toughness of Ceramics from Vickers Indentationsusing the Crack-opening Displacements

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Download or read book Determining the Toughness of Ceramics from Vickers Indentationsusing the Crack-opening Displacements written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, a method for evaluating the fracture toughness of ceramics has been proposed based on the computed crack-opening displacements of cracks emanating from Vickers hardness indentations. In order to verify this method, experiments were carried out to determine the toughness of a commercial silicon carbide ceramic, Hexaloy SA, by measuring the crack-opening profiles of such Vickers indentation cracks. While the obtained toughness value of Ko = 2.3 MPavm was within 10% of that measured using conventional fracture toughness testing, the computed crack-opening profiles corresponding to this toughness displayed poor agreement with those measured experimentally, raising concerns about the suitability of this method for determining the toughness of ceramics. The effects of subsurface cracking and cracking during loading are considered as possible causes of such discrepancies, with the former based on evidence observed for secondary radial cracking which affected the crack opening profile and deduced toughness values.

New Contributions to R-curves and Bridging Stresses - Applications of Weight Functions

Author : Theo Fett
Publisher : KIT Scientific Publishing
ISBN 13 : 3866448368
Total Pages : 250 pages
Book Rating : 4.8/5 (664 download)

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Book Synopsis New Contributions to R-curves and Bridging Stresses - Applications of Weight Functions by : Theo Fett

Download or read book New Contributions to R-curves and Bridging Stresses - Applications of Weight Functions written by Theo Fett and published by KIT Scientific Publishing. This book was released on 2014-07-31 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most ceramics show an increase of the crack growth resistance during crack propagation (R-curve behaviour). Reasons for such behaviour are bridging effects between opposite crack surfaces, phase transformations around the tip of a crack, and development of micro-cracking zones.This booklet predominantly deals with the bridging behaviour and the discussion of the observed effects in terms of the fracture mechanics weight function procedure.

Advanced Materials for Joint Implants

Author : Giuseppe Pezzotti
Publisher : CRC Press
ISBN 13 : 9814364398
Total Pages : 622 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Advanced Materials for Joint Implants by : Giuseppe Pezzotti

Download or read book Advanced Materials for Joint Implants written by Giuseppe Pezzotti and published by CRC Press. This book was released on 2016-04-19 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on an interdisciplinary approach that directly bridges orthopedic concepts to surface science, this book details cutting-edge research in bioceramics science, physical chemistry, biomedical optics, and nanomechanics. The book cites some of the more conventional spectroscopic characterization techniques-including Raman and cathodoluminescence

Hydraulic Fracturing in Earth-rock Fill Dams

Author : Jun-Jie Wang
Publisher : John Wiley & Sons
ISBN 13 : 1118725506
Total Pages : 292 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Hydraulic Fracturing in Earth-rock Fill Dams by : Jun-Jie Wang

Download or read book Hydraulic Fracturing in Earth-rock Fill Dams written by Jun-Jie Wang and published by John Wiley & Sons. This book was released on 2014-08-11 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a systematic and comprehensive study of hydraulic fracturing, original in its concentration of core soil problems There have been a number of well-studied cases in which dams have failed or been damaged by concentrated leaks for no apparent cause. In some of these experiences, investigators concluded that differential settlement cracks were the probable causes, even though no cracks were seen on the surface. In these examples, it was not determined whether the crack was open before the reservoir filled or whether it might have opened afterward. In several unsolved problems on the safety of the earth-rock fill dam, the problem of hydraulic fracture in the soil core of the earth-rock fill dam is one that is widely paid attention by designers and researchers. Hydraulic fracturing is generally considered as a key cause which may induce the leakage of the dam during first filling. In this extensive book, a new numerical simulate method is suggested. The method is based on the conventional two-dimensional finite element technique, and the theoretical formulations to calculate energy release rate using virtual crack extension method. The influence factors on convergence of calculated J integral are investigated. The accuracy of the calculated J integral is verified by analysing the three typical problems in Fracture Mechanics, in which propagation of crack may follow mode I, mode II and mixed mode I-II respectively. Using the new numerical method, the factors affecting the occurrence of hydraulic fracturing in the earth-rock fill dam are investigated. The investigating results indicate that increasing any of the Young’s modulus, the Poisson’s ratio and the density of the core soil is helpful to reduce the likelihood of the occurrence of hydraulic fracturing. The likelihood of the occurrence of hydraulic fracturing increases with increasing the water level or the crack depth. The lower part of the dam core is the zone in which the phenomenon of hydraulic fracturing may be induced easily. As an example to analyse the ability of earth-rock fill dam to resist hydraulic fracturing, the Nuozhadu Dam located in Western China is analysed. Presents a systematic and comprehensive study of hydraulic fracturing, original in its concentration of core soil problems Focuses on the problem of hydraulic fracturing in earth-rock fill dams from three aspects; conditions and mechanisms of hydraulic fracturing, criterion of hydraulic fracturing, and numerical method on hydraulic fracturing Examines advanced laboratory soil testing, application of numerical methods and field testing/monitoring, all needed for a better understanding of hydraulic fracturing in earth/rock fill dams Provides an essential reference in an area of scarce research in this field, and the need in high earth dam construction in developing countries is pressing Ideal for researchers in Hydraulic and Geotechnical Engineering Fields; Students on Masters or PhD courses; as well as Designers and Constructors in Hydraulic and Geotechnical Engineering Fields.

Bioceramics

Author :
Publisher :
ISBN 13 :
Total Pages : 764 pages
Book Rating : 4.6/5 (956 download)

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Book Synopsis Bioceramics by :

Download or read book Bioceramics written by and published by . This book was released on 2005 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ceramic matrix composites and other systems

Author : Antonio Miravete
Publisher : Woodhead Publishing
ISBN 13 : 9781855731356
Total Pages : 924 pages
Book Rating : 4.7/5 (313 download)

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Book Synopsis Ceramic matrix composites and other systems by : Antonio Miravete

Download or read book Ceramic matrix composites and other systems written by Antonio Miravete and published by Woodhead Publishing. This book was released on 1993 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fractography of Glass

Author : R.C. Bradt
Publisher : Springer Science & Business Media
ISBN 13 : 1489913254
Total Pages : 305 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Fractography of Glass by : R.C. Bradt

Download or read book Fractography of Glass written by R.C. Bradt and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the first major reference on glass fractography, contributors to this volume offer a comprehensive account of the fracture of glass as well as various fracture surface topography. Contributors discuss optical fibers, glass containers, and flatglass fractography. In addition, papers explore fracture origins; the growth of the original flaws of defects; and macroscopic fracture patterns from which fracture patterns evolve. This volume is complete with photographs and schematics.

Glass Ceramic Technology

Author : Wolfram Holand
Publisher : John Wiley & Sons
ISBN 13 : 1118265920
Total Pages : 456 pages
Book Rating : 4.1/5 (182 download)

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Book Synopsis Glass Ceramic Technology by : Wolfram Holand

Download or read book Glass Ceramic Technology written by Wolfram Holand and published by John Wiley & Sons. This book was released on 2012-06-08 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glass-ceramic materials share many properties with both glass and more traditional crystalline ceramics. This new edition examines the various types of glass-ceramic materials, the methods of their development, and their countless applications. With expanded sections on biomaterials and highly bioactive products (i.e., Bioglass and related glass ceramics), as well as the newest mechanisms for the development of dental ceramics and theories on the development of nano-scaled glass-ceramics, here is a must-have guide for ceramic and materials engineers, managers, and designers in the ceramic and glass industry.

Science of Hard Materials

Author : R. Viswanadham
Publisher : Springer Science & Business Media
ISBN 13 : 1468443194
Total Pages : 990 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Science of Hard Materials by : R. Viswanadham

Download or read book Science of Hard Materials written by R. Viswanadham and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the first International Conference on the Science of Hard Materials held in Moran, Wyoming, Aug. 23-28, 1981. The objective of the conference was to review and advance the state of knowledge of the basic physical and chemical properties of hard materials and show how these properties influence performance in a variety of applications. To this end, the 49 con tributed papers and the four keynote papers by Prof. Fischmeister and Drs. Hintermann, Exner and Almond, present an excellent overview of the state of the art in the "science" of hard materials. The contents of these proceedings also reflect the fact that hard metal technology is now well matured and several aspects of the behavior of these materials are well understood and firmly established. Structure-property relationships in this class of materials are currently well known. Pitfalls in some of the traditional test methods have been recognized and new test methods are being developed which discriminate between intrinsic material properties and flaw content and distribution. Application of fracture mechanics, al though a late corner to the hard materials area (as compared to other structural materials), is rapidly gaining acceptance and new fracture toughness test methods are being developed. Application of modern analysis and analytical techniques to these materials has begun and entirely new and unexpected information has been obtained. For a variety of reasons, "hard metals" have dominated the research and development scene of "hard materials".

Ceramics

Author : Dietrich Munz
Publisher : Springer Science & Business Media
ISBN 13 : 3642584071
Total Pages : 302 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Ceramics by : Dietrich Munz

Download or read book Ceramics written by Dietrich Munz and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book gives a description of the failure phenomena of ceramic materials under mechanical loading, the methods to determine their properties, and the principles for material selection. The book presents fracture mechanical and statistical principles and their application to describe the scatter of strength and lifetime, while special chapters are devoted to creep behaviour, multiaxial failure criteria and thermal shock behaviour. XXXXXXX Neuer Text Describing how ceramic materials fracture and fail under mechanical loading, this book provides methods for determining the properties of ceramics, and gives criteria for selecting ceramic materials for particular applications. It also examines the fracture-mechanical and statistical principles and their use in understanding the strength and durability of ceramics. Special chapters are devoted to creep behavior, criteria for multiaxial failure, and behavior under thermal shock. Readers will gain insight into the design of reliable ceramic components.

Fracture Mechanics of Ceramics

Author : Richard Carl Bradt
Publisher : Springer Science & Business Media
ISBN 13 : 9780306410222
Total Pages : 698 pages
Book Rating : 4.4/5 (12 download)

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Book Synopsis Fracture Mechanics of Ceramics by : Richard Carl Bradt

Download or read book Fracture Mechanics of Ceramics written by Richard Carl Bradt and published by Springer Science & Business Media. This book was released on 1983-08-31 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanostructured Coatings

Author : Albano Cavaleiro
Publisher : Springer Science & Business Media
ISBN 13 : 0387487565
Total Pages : 671 pages
Book Rating : 4.3/5 (874 download)

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Book Synopsis Nanostructured Coatings by : Albano Cavaleiro

Download or read book Nanostructured Coatings written by Albano Cavaleiro and published by Springer Science & Business Media. This book was released on 2007-02-19 with total page 671 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book delivers practical insight into a broad range of fields related to hard coatings, from their deposition and characterization up to the hardening and deformation mechanisms allowing the interpretation of results. The text examines relationships between structure/microstructure and mechanical properties from fundamental concepts, through types of coatings, to characterization techniques. The authors explore the search for coatings that can satisfy the criteria for successful implementation in real mechanical applications.

Protective Thin Coatings Technology

Author : Sam Zhang
Publisher : CRC Press
ISBN 13 : 1000408418
Total Pages : 375 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Protective Thin Coatings Technology by : Sam Zhang

Download or read book Protective Thin Coatings Technology written by Sam Zhang and published by CRC Press. This book was released on 2021-08-08 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hard or protective coatings are widely used in conventional and modern industries and will continue to play a key role in future manufacturing, especially in the micro and nano areas. Protective Thin Coatings Technology highlights the developments and advances in the preparation, characterization, and applications of protective micro-/nanoscaled films and coatings. This book Covers technologies for sputtering of flexible hard nanocoatings, deposition of solid lubricating films, and multilayer transition metal nitrides Describes integrated nanomechanical characterization of hard coatings, corrosion and tribo-corrosion of hard coatings, and high entropy alloy films and coatings Investigates thin films and coatings for high-temperature applications, nanocomposite coatings on magnesium alloys, and the correlation between coating properties and industrial applications Features various aspects of hard coatings, covering advanced sputtering technologies, structural characterizations, and simulations, as well as applications This first volume in the two-volume set, Protective Thin Coatings and Functional Thin Films Technology, will benefit industry professionals and researchers working in areas related to semiconductors, optoelectronics, plasma technology, solid-state energy storages, and 5G, as well as advanced students studying electrical, mechanical, chemical, and material engineering.

Springer Handbook of Glass

Author : J. David Musgraves
Publisher : Springer
ISBN 13 : 9783319937267
Total Pages : 1590 pages
Book Rating : 4.9/5 (372 download)

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Book Synopsis Springer Handbook of Glass by : J. David Musgraves

Download or read book Springer Handbook of Glass written by J. David Musgraves and published by Springer. This book was released on 2019-08-14 with total page 1590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook provides comprehensive treatment of the current state of glass science from the leading experts in the field. Opening with an enlightening contribution on the history of glass, the volume is then divided into eight parts. The first part covers fundamental properties, from the current understanding of the thermodynamics of the amorphous state, kinetics, and linear and nonlinear optical properties through colors, photosensitivity, and chemical durability. The second part provides dedicated chapters on each individual glass type, covering traditional systems like silicates and other oxide systems, as well as novel hybrid amorphous materials and spin glasses. The third part features detailed descriptions of modern characterization techniques for understanding this complex state of matter. The fourth part covers modeling, from first-principles calculations through molecular dynamics simulations, and statistical modeling. The fifth part presents a range of laboratory and industrial glass processing methods. The remaining parts cover a wide and representative range of applications areas from optics and photonics through environment, energy, architecture, and sensing. Written by the leading international experts in the field, the Springer Handbook of Glass represents an invaluable resource for graduate students through academic and industry researchers working in photonics, optoelectronics, materials science, energy, architecture, and more.

Springer Handbook of Crystal Growth

Author : Govindhan Dhanaraj
Publisher : Springer Science & Business Media
ISBN 13 : 3540747613
Total Pages : 1823 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Springer Handbook of Crystal Growth by : Govindhan Dhanaraj

Download or read book Springer Handbook of Crystal Growth written by Govindhan Dhanaraj and published by Springer Science & Business Media. This book was released on 2010-10-20 with total page 1823 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the years, many successful attempts have been chapters in this part describe the well-known processes made to describe the art and science of crystal growth, such as Czochralski, Kyropoulos, Bridgman, and o- and many review articles, monographs, symposium v- ing zone, and focus speci cally on recent advances in umes, and handbooks have been published to present improving these methodologies such as application of comprehensive reviews of the advances made in this magnetic elds, orientation of the growth axis, intro- eld. These publications are testament to the grow- duction of a pedestal, and shaped growth. They also ing interest in both bulk and thin- lm crystals because cover a wide range of materials from silicon and III–V of their electronic, optical, mechanical, microstructural, compounds to oxides and uorides. and other properties, and their diverse scienti c and The third part, Part C of the book, focuses on - technological applications. Indeed, most modern ad- lution growth. The various aspects of hydrothermal vances in semiconductor and optical devices would growth are discussed in two chapters, while three other not have been possible without the development of chapters present an overview of the nonlinear and laser many elemental, binary, ternary, and other compound crystals, KTP and KDP. The knowledge on the effect of crystals of varying properties and large sizes. The gravity on solution growth is presented through a c- literature devoted to basic understanding of growth parison of growth on Earth versus in a microgravity mechanisms, defect formation, and growth processes environment.

Microscopy Methods in Nanomaterials Characterization

Author : Sabu Thomas
Publisher : Elsevier
ISBN 13 : 0323461476
Total Pages : 434 pages
Book Rating : 4.3/5 (234 download)

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Book Synopsis Microscopy Methods in Nanomaterials Characterization by : Sabu Thomas

Download or read book Microscopy Methods in Nanomaterials Characterization written by Sabu Thomas and published by Elsevier. This book was released on 2017-05-17 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microscopy Methods in Nanomaterials Characterization fills an important gap in the literature with a detailed look at microscopic and X-ray based characterization of nanomaterials. These microscopic techniques are used for the determination of surface morphology and the dispersion characteristics of nanomaterials. This book deals with the detailed discussion of these aspects, and will provide the reader with a fundamental understanding of morphological tools, such as instrumentation, sample preparation and different kinds of analyses, etc. In addition, it covers the latest developments and trends morphological characterization using a variety of microscopes. Materials scientists, materials engineers and scientists in related disciplines, including chemistry and physics, will find this to be a detailed, method-orientated guide to microscopy methods of nanocharacterization. Takes a method-orientated approach that includes case studies that illustrate how to carry out each characterization technique Discusses the advantages and disadvantages of each microscopy characterization technique, giving the reader greater understanding of conditions for different techniques Presents an in-depth discussion of each technique, allowing the reader to gain a detailed understanding of each

Surface Science

Author : K. Oura
Publisher : Springer Science & Business Media
ISBN 13 : 3662051796
Total Pages : 443 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Surface Science by : K. Oura

Download or read book Surface Science written by K. Oura and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most important aspects of modern surface science are covered. All topics are presented in a concise and clear form accessible to a beginner. At the same time, the coverage is comprehensive and at a high technical level, with emphasis on the fundamental physical principles. Numerous examples, references, practice exercises, and problems complement this remarkably complete treatment, which will also serve as an excellent reference for researchers and practitioners. The textbook is idea for students in engineering and physical sciences.