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Cracking In Brittle Materials During Low Load Indentation And Its Relation To Fracture Toughness
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Book Synopsis Cracking in Brittle Materials During Low-load Indentation and Its Relation to Fracture Toughness by : D. Scott Harding
Download or read book Cracking in Brittle Materials During Low-load Indentation and Its Relation to Fracture Toughness written by D. Scott Harding and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Research to determine a method by which indentation cracking thresholds can be reduced below levels of the Vickers indenter so that small volumes such as thin films and interfaces can be measured. Sixteen materials are tested using three different indenters (Berkovich, Vickers, and the cube corner indenters). Results are examined for usefulness in possible reduction of the threshold loads.
Author :Michael Anthony Nastasi Publisher :Springer Science & Business Media ISBN 13 :9780792321958 Total Pages :646 pages Book Rating :4.3/5 (219 download)
Book Synopsis Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures by : Michael Anthony Nastasi
Download or read book Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures written by Michael Anthony Nastasi and published by Springer Science & Business Media. This book was released on 1993 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the emerging class of new materials characterized by ultra-fine microstrucures. The NATO ASI which produced this book was the first international scientific meeting devoted to a discussion of the mechanical properties and deformation behavior of materials having grain sizes down to a few nanometers. Topics covered include superplasticity, tribology, and the supermodulus effect. Review chapters cover a variety of other themes including synthesis, characterization, thermodynamic stability, and general physical properties. Much of the work is concerned with the issue of how far conventional techniques and concepts can be extended toward atomic scale probing. Another key issue concerns the structure of nanocrystalline materials, in particular, what is the structure and composition of the internal boundaries. These ultra-fine microstructures have proved to challenge even the finest probes that the materials science community has today.
Book Synopsis Cracking During Nanoindentation and Its Use in the Measurement of Fracture Toughness by :
Download or read book Cracking During Nanoindentation and Its Use in the Measurement of Fracture Toughness written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fracture Mechanics written by Lucas Alves and published by BoD – Books on Demand. This book was released on 2016-10-19 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of 13 chapters divided into seven sections: Section I: "General Foundations of the Stress Field and Toughness" with one chapter, Section II: "Fractography and Impact Analysis" with two chapters, Section III: "Toughness Fracture" with three chapters, Section IV: "Fracture Behavior" with two chapters, Section V: "Natural and Hydraulic Fractures" with two chapters, section VI: "Fatigue" with one chapter and Section VII: "Fracture Biomaterials and compatible" with two chapters. This book covers a wide range of application of fracture mechanics in materials science, engineering, rock prospecting, dentistry and medicine. The book is aimed towards materials scientists, metallurgists, mechanical and civil engineers, doctors and dentists and can also be well used in education, research and industry.
Book Synopsis The Use of the Indentation Technique for Measuring Toughness of Brittle Materials by : Ghaith Khalifa Beshish
Download or read book The Use of the Indentation Technique for Measuring Toughness of Brittle Materials written by Ghaith Khalifa Beshish and published by . This book was released on 1993 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Indentation and Erosion of Brittle Materials by : Mohsen Ashrafi Khatibloo
Download or read book On the Indentation and Erosion of Brittle Materials written by Mohsen Ashrafi Khatibloo and published by . This book was released on 1981 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Allgemeine Ikonographie: A-Ezechiel by :
Download or read book Allgemeine Ikonographie: A-Ezechiel written by and published by . This book was released on 1968 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Fracture of Brittle Materials by : Stephen W. Freiman
Download or read book The Fracture of Brittle Materials written by Stephen W. Freiman and published by John Wiley & Sons. This book was released on 2019-01-07 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a modern, practical approach to the understanding and measurement procedures relevant to the fracture of brittle materials This book examines the testing and analysis of the fracture of brittle materials. Expanding on the measurement and analysis methodology contained in the first edition, it covers the relevant measurements (toughness and strength), material types, fracture mechanics, measurement techniques, reliability and lifetime predictions, microstructural considerations, and material/test selection processes appropriate for the analysis of the fracture behavior of brittle materials. The Fracture of Brittle Materials: Testing and Analysis, Second Edition summarizes the concepts behind the selection of a test procedure for fracture toughness and strength, and goes into detail on how the statistics of fracture can be used to assure reliability. It explains the importance of the role of microstructure in these determinations and emphasizes the use of fractographic analysis as an important tool in understanding why a part failed. The new edition includes a significant quantity of material related to the fracture of biomaterials, and features two new chapters—one on thermal shock, the other on the modeling of the fracture process. It also expands on a discussion of how to treat the statistics of fracture strength data to ensure reliability. Provides practical analysis of fracture toughness and strength Introduces the engineering and materials student to the basic concepts necessary for analyzing brittle fracture Contains new statistical analysis procedures to allow for the prediction of the safe design of brittle components Contains real-world examples to assist the reader in applying the concepts to their own research, material development, and quality-control needs The Fracture of Brittle Materials: Testing and Analysis, Second Edition is an important resource for all students, technicians, engineers, scientists, and researchers involved in the study, analysis, creation, or testing of ceramics.
Book Synopsis Fracture Mechanics Applied to Brittle Materials by : S. W. Freiman
Download or read book Fracture Mechanics Applied to Brittle Materials written by S. W. Freiman and published by ASTM International. This book was released on 1979 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Indentation Fracture to Determine Fracture Toughness by : RH. Marion
Download or read book Use of Indentation Fracture to Determine Fracture Toughness written by RH. Marion and published by . This book was released on 1979 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent studies on indentation fracture in brittle materials, use of the cracks which form beneath a pointed indenter and grow stably with load has been suggested as a simple technique for the determination of fracture toughness (Kc). The applicability of this technique has been assessed by performing tests on a number of polycrystalline ceramics, glass-ceramics, and glasses which span a range of fracture toughness from 0.7 to 4.5 MN-3/2. Various sharp indenter geometries were tested and it was concluded that cracks produced with the Vickers indenter were the easiest to measure. The existing theories for calculating Kc from experimental measurements (crack length, load, etc.) have been evaluated and their applicability has been determined. The results demonstrate the usefulness of a Vickers pyramid in obtaining a qualitative ranking of Kc for a wide range of brittle materials. A number of practical problems associated with this technique are discussed.
Book Synopsis A Study of Indentation Cracking in Brittle Materials Using Cohesive Zone Finite Elements by : Kurt E. Johanns
Download or read book A Study of Indentation Cracking in Brittle Materials Using Cohesive Zone Finite Elements written by Kurt E. Johanns and published by . This book was released on 2014 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cohesive zone finite element simulations of pyramidal indentation cracking in brittle materials have been carried out in order to: (1) critically examine indentation cracking models that relate fracture toughness to indentation data; (2) determine the underlying physical mechanisms of indentation crack growth from a continuum view and their relationship to material properties; (3) explore the influence of indenter geometry on crack extension; and (4) provide a platform from which future simulations can add more complex material behavior as well as guidance for experimental measurements of fracture toughness. Standard fracture toughness geometries in addition to simplified indentation geometries were simulated in order to assess the advantages and limitations of using cohesive zone finite element simulations to study indentation cracking in brittle materials. Simulation results were found to be consistent with linear-elastic fracture mechanics when crack lengths approximately 10 times larger than process zone sizes. Results from Vickers indentation cracking simulations showed deviations from standard models and additional material dependencies not considered in therein. A transition in cracking behavior from median type cracks to Palmqvist type cracks was observed as the ratio of elastic modulus to hardness increased and plasticity played a more prominent role in the deformation response. Separate stress intensity factor solutions were derived for the two cracking regimes by applying simple scaling relationships and observations from the finite elements. Simulations of different indenter geometries were found to correlate well with the stress intensity factors. In addition, the indentation cracking response could be tailored to a specific behavior by changing the indenter centerline-to-face angle. Cohesive zone finite element simulations were found to be well suited to exploring, improving, and studying the materials science of indentation cracking.
Book Synopsis Fracture Mechanics by : Ted L. Anderson
Download or read book Fracture Mechanics written by Ted L. Anderson and published by CRC Press. This book was released on 2005-06-24 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: With its combination of practicality, readability, and rigor that is characteristic of any truly authoritative reference and text, Fracture Mechanics: Fundamentals and Applications quickly established itself as the most comprehensive guide to fracture mechanics available. It has been adopted by more than 100 universities and embraced by thousands of professional engineers worldwide. Now in its third edition, the book continues to raise the bar in both scope and coverage. It encompasses theory and applications, linear and nonlinear fracture mechanics, solid mechanics, and materials science with a unified, balanced, and in-depth approach. Reflecting the many advances made in the decade since the previous edition came about, this indispensable Third Edition now includes: A new chapter on environmental cracking Expanded coverage of weight functions New material on toughness test methods New problems at the end of the book New material on the failure assessment diagram (FAD) method Expanded and updated coverage of crack closure and variable-amplitude fatigue Updated solutions manual In addition to these enhancements, Fracture Mechanics: Fundamentals and Applications, Third Edition also includes detailed mathematical derivations in appendices at the end of applicable chapters; recent developments in laboratory testing, application to structures, and computational methods; coverage of micromechanisms of fracture; and more than 400 illustrations. This reference continues to be a necessity on the desk of anyone involved with fracture mechanics.
Book Synopsis The Mathematical Theory of Plasticity by : Rodney Hill
Download or read book The Mathematical Theory of Plasticity written by Rodney Hill and published by Oxford University Press. This book was released on 1998 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1950, this important and classic book presents a mathematical theory of plastic materials, written by one of the leading exponents.
Book Synopsis Mechanics of Creep Brittle Materials 1 by : A.C.F. Cocks
Download or read book Mechanics of Creep Brittle Materials 1 written by A.C.F. Cocks and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Failure of components which operate in the creep range can result either from the growth of a dominant crack or through the accumulation of 'damage' in the material. Conventional and nuclear power generating plant are generally designed on the basis of continuum failure, with assessment routes providing an indication of the effects of flaws on component performance. Another example where an understanding of creep failure is important is in the design of offshore structures which operate in arctic waters. These structures can be subjected to quite considerable forces by wind-driven ice sheets, which are limited by failure of the ice sheet. Design codes are currently being developed which identify the different mechanisms of failure, ranging from continuum crushing to radial cracking and buckling of the ice sheet. Our final example concerns engineering ceramics, which are currently being considered for use in a wide range of high-temperature applications. A major problem preventing an early adoption of these materials is their brittle response at high stresses, although they can behave in a ductile manner at lower stresses. In each of the above situations an understanding of the processes of fast fracture, creep crack growth and continuum failure is required, and in particular an understanding of the material and structural features that influence the transition from brittle to ductile behaviour. The translation of this information to component design is most advanced for metallic components.
Book Synopsis Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures by : M. Nastasi
Download or read book Mechanical Properties and Deformation Behavior of Materials Having Ultra-Fine Microstructures written by M. Nastasi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: In an attempt to meet the demand for new ultra-high strength materials, the processing of novel material configurations with unique microstructure is being explored in systems which are further and further from equilibrium. One such class of emerging materials is the so-called nanophased or nanostructured materials. This class of materials includes metals and alloys, ceramics, and polymers characterized by controlled ultra-fine microstructural features in the form oflayered, fibrous, or phase and grain distribution. While it is clear that these materials are in an early stage of development, there is now a sufficient body of literature to fuel discussion of how the mechanical properties and deformation behavior can be controlled through control of the microstructure. This NATO-Advanced Study Institute was convened in order to assess our current state of knowledge in the field of mechanical properties and deformation behavior in materials with ultra fine microstructure, to identify opportunities and needs for further research, and to identify the potential for technological applications. The Institute was the first international scientific meeting devoted to a discussion on the mechanical properties and deformation behavior of materials having grain sizes down to a few nanometers. Included in these discussions were the topics of superplasticity, tribology, and the supermodulus effect. Lectures were also presented which covered a variety of other themes including synthesis, characterization, thermodynamic stability, and general physical properties.
Book Synopsis Micro and Nano Mechanical Testing of Materials and Devices by : Fuqian Yang
Download or read book Micro and Nano Mechanical Testing of Materials and Devices written by Fuqian Yang and published by Springer Science & Business Media. This book was released on 2009-02-28 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscale and nanostructured materials have exhibited different physical properties from the corresponding macroscopic coarse-grained materials due to the size confinement. As a result, there is a need for new techniques to probe the mechanical behavior of advanced materials on the small scales. Micro and Nano Mechanical Testing of Materials and Devices presents the latest advances in the techniques of mechanical testing on the micro- and nanoscales, which are necessary for characterizing the mechanical properties of low-dimensional materials and structures. Written by a group of internationally recognized authors, this book covers topics such as: Techniques for micro- and nano- mechanical characterization; Size effects in the indentation plasticity; Characterization of low-dimensional structure including nanobelts and nanotubes; Characterization of smart materials, including piezoelectric materials and shape memory alloys; Analysis and modeling of the deformation of carbon-nanotubes. Micro and Nano Mechanical Testing of Materials and Devices is a valuable resource for engineers and researchers working in the area of mechanical characterization of advanced materials.
Book Synopsis Fracture Processes in the Scribing of Brittle Solids by : Elizabeth M. Ling
Download or read book Fracture Processes in the Scribing of Brittle Solids written by Elizabeth M. Ling and published by . This book was released on 1990 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
