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Effect Of A Controlled Volume Fraction Of Dendritic Phases On Tensile And Compressive Ductility In La Based Metallic Glass Matrix Composites
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Book Synopsis Effect of a Controlled Volume Fraction of Dendritic Phases on Tensile and Compressive Ductility in La-Based Metallic Glass Matrix Composites by :
Download or read book Effect of a Controlled Volume Fraction of Dendritic Phases on Tensile and Compressive Ductility in La-Based Metallic Glass Matrix Composites written by and published by . This book was released on 2004 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic study has been carried out to identify the effect of crystalline 2nd phase reinforcements on the mechanical properties of amorphous alloys based on the composition La(sub 86-y)Al(sub 14)(Cu, Ni)y (y=l to 24). By varying the composition in a controlled manner, composites with a tailorable fraction of in-situ dendritic reinforcements were produced. Tension, compression and impact tests showed considerably improved mechanical properties with large amount of plasticity when the reinforcement volume fraction exceeded a critical value near 40%, and the tension/compression asymmetry associated with glass plasticity is reduced as the volume fraction of crystalline reinforcements rises.
Book Synopsis Metallic Glasses and Their Composites by : D.V. Louzguine
Download or read book Metallic Glasses and Their Composites written by D.V. Louzguine and published by Materials Research Forum LLC. This book was released on 2018-01-02 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The formation of metallic glasses and dual-phase composite/hybrid materials is reviewed, as well as the glass transition process and the resulting structural phenomena. These materials exhibit high strength, extreme hardness, good wear resistance and large elastic deformation. Due to their excellent structural, functional, magnetic, chemical and biological properties metallic glasses are suitable for a great many applications, including in such areas as microelectromechanical devices, pressure sensors, orthopaedic screws and precision surgical instruments. Metallic Glasses, Metallic Glass Composites, Crystal/Glass Transition, Nano-Crystallization, Phase Separations, Supercooled Liquids, Glassy Nanocomposites, Nanoscale Quasicrystals, Mechanical Properties, Nanoscale Wear Resistance, Bauschinger Effect, Cryogenic Temperature, Porous Glasses, Nanocomposite Alloys, Soft Magnetic Alloys, Hard Magnetic Alloys, Magnetocaloric Effect, Corrosion Resistant Alloys, Surface Oxides, Catalysts
Author :Muhammad Musaddique Ali Rafique Publisher :Walter de Gruyter GmbH & Co KG ISBN 13 :3110747235 Total Pages :203 pages Book Rating :4.1/5 (17 download)
Book Synopsis Bulk Metallic Glasses and Their Composites by : Muhammad Musaddique Ali Rafique
Download or read book Bulk Metallic Glasses and Their Composites written by Muhammad Musaddique Ali Rafique and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-09-20 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides a comprehensive state-of-the-art review on the topic of bulk metallic glass matrix composites and understanding of mechanisms of development of composite microstructure. It discusses mechanisms of formation and toughening both during conventional casting routes and additive manufacturing. The second edition encompasses new studies and highlights advancement in mechanical properties, characterization, processing and applications.
Book Synopsis Bulk Metallic Glasses by : C. Suryanarayana
Download or read book Bulk Metallic Glasses written by C. Suryanarayana and published by CRC Press. This book was released on 2011-06-03 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: In spite of the large amount of research activity in this subfield of materials science and engineering, there is no single book available that provides background information, methods of synthesis, characterization procedures, properties, and potential and existing applications.of bulk metallic glasses. Written in an easy-to-understand style by pioneering researchers in this field, Bulk Metallic Glasses is one of the first books to coherently discuss the synthesis, processing, properties, and applications of these unique materials. The book explores the differences between nanocrystalline, glassy, and amorphous solids as well as the thermodynamics and kinetics and various processing methods of glass formation. It critically compares the different criteria for glass formation, describes the advantages and limitations of experimental methods for synthesizing bulk metallic glasses in assorted sizes and shapes, and examines the kinetics of crystallization/devitrification and the mechanisms of transformations. It also covers the density, diffusivity, thermal expansion, electrical resistivity, specific heat, viscosity, corrosion resistance, mechanical behavior, and magnetic properties of bulk metallic glasses. After presenting a wide array of applications, the book concludes with a discussion on the future of these materials. The adoption of bulk metallic glasses into existing systems is besieged by many obstacles but due to their interesting combination of properties, future applications may be unlimited. A one-stop resource on all aspects of bulk metallic glasses, this book demonstrates the immense potential of these novel materials. It clearly elucidates the background, detailed methods of synthesis and characterization, structure, and properties of bulk metallic glasses.
Book Synopsis Advanced Materials and Technologies VI by : Stanislav Kolisnychenko
Download or read book Advanced Materials and Technologies VI written by Stanislav Kolisnychenko and published by Trans Tech Publications Ltd. This book was released on 2021-04-28 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special topic volume with invited peer-reviewed papers only
Book Synopsis Metallic Glasses by : Keith K.C. Chan
Download or read book Metallic Glasses written by Keith K.C. Chan and published by MDPI. This book was released on 2018-07-02 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Metallic Glasses" that was published in Metals
Book Synopsis Mechanical and Microstructural Properties of Bulk Metallic Glass and Bulk Metallic Glass Composite as a Function of Temperature and Loading Conditions by : Jessica A. Booth
Download or read book Mechanical and Microstructural Properties of Bulk Metallic Glass and Bulk Metallic Glass Composite as a Function of Temperature and Loading Conditions written by Jessica A. Booth and published by . This book was released on 2014 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fracture behavior of Zr-based bulk metallic glasses (BMG) and metallic glass matrix composites (BMGMC), was investigated while varying testing temperature, loading condition and strain rate. Samples were tested in tension, compression, three-point bending and Charpy impact in order to determine the effects of changes in strain rate and test temperature on the tensile strength, compressive strength, ductility, fracture toughness and impact toughness. An increase in temperature was found to have a similar effect as decreasing strain rate. At similar temperatures, displacement-controlled tensile tests caused severe necking to failure after significant ductility, while load-controlled conditions caused samples to draw into long, thin wires, a morphology that was not observed in BMGMC samples. Microstructural evolution of dendrites in deformed BMGMC samples was characterized using electron backscatter diffraction (EBSD) to determine change in crystallographic orientation with progressing deformation. Less dendrite area was indexable as deformation progressed, and the operative deformation mechanism was theorized to be dislocation motion.
Book Synopsis Bulk Metallic Glasses by : C. Suryanarayana
Download or read book Bulk Metallic Glasses written by C. Suryanarayana and published by CRC Press. This book was released on 2017-11-22 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflecting the fast pace of research in the field, the Second Edition of Bulk Metallic Glasses has been thoroughly updated and remains essential reading on the subject. It incorporates major advances in glass forming ability, corrosion behavior, and mechanical properties. Several of the newly proposed criteria to predict the glass-forming ability of alloys have been discussed. All other areas covered in this book have been updated, with special emphasis on topics where significant advances have occurred. These include processing of hierarchical surface structures and synthesis of nanophase composites using the chemical behavior of bulk metallic glasses and the development of novel bulk metallic glasses with high-strength and high-ductility and superelastic behavior. New topics such as high-entropy bulk metallic glasses, nanoporous alloys, novel nanocrystalline alloys, and soft magnetic glassy alloys with high saturation magnetization have also been discussed. Novel applications, such as metallic glassy screw bolts, surface coatings, hyperthermia glasses, ultra-thin mirrors and pressure sensors, mobile phone casing, and degradable biomedical materials, are described. Authored by the world’s foremost experts on bulk metallic glasses, this new edition endures as an indispensable reference and continues to be a one-stop resource on all aspects of bulk metallic glasses.
Book Synopsis Amorphous Metallic Alloys by : F. E. Luborsky
Download or read book Amorphous Metallic Alloys written by F. E. Luborsky and published by Butterworth-Heinemann. This book was released on 1983 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Index of amorphous alloys
Book Synopsis Microstructure-Property Optimization in Metallic Glasses by : Baran Sarac
Download or read book Microstructure-Property Optimization in Metallic Glasses written by Baran Sarac and published by Springer. This book was released on 2015-03-12 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis consists of an in-depth study of investigating microstructure-property relationships in bulk metallic glasses using a novel quantitative approach by which influence of the second phase features on mechanical properties can be independently and systematically analyzed. The author evaluates and optimizes the elastic and plastic deformation, as well as the overall toughness of cellular honeycombs under in-plane compression and porous heterostructures under uniaxial tension. The study reveals three major deformation zones in cellular metallic glass structures, where deformation changes from collective buckling showing non-linear elasticity to localized failure exhibiting a brittle-like deformation, and finally to global sudden failure with negligible plasticity as the length to thickness ratio of the ligaments increases. The author found that spacing and size of the pores, the pore configuration within the matrix, and the overall width of the sample determines the extent of deformation, where the optimized values are attained for pore diameter to spacing ratio of one with AB type pore stacking.
Book Synopsis Composite Materials by : Kamal K. Kar
Download or read book Composite Materials written by Kamal K. Kar and published by Springer. This book was released on 2016-10-14 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite materials are used as substitutions of metals/traditional materials in aerospace, automotive, civil, mechanical and other industries. The present book collects the current knowledge and recent developments in the characterization and application of composite materials. To this purpose the volume describes the outstanding properties of this class of advanced material which recommend it for various industrial applications.
Book Synopsis Metal and Ceramic Matrix Composites by : Brian Cantor
Download or read book Metal and Ceramic Matrix Composites written by Brian Cantor and published by CRC Press. This book was released on 2003-11-01 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions from leading experts in their respective fields, Metal and Ceramic Matrix Composites provides a comprehensive overview of topics on specific materials and trends. It is a subject regularly included as a final year option in materials science courses and is also of much industrial and academic interest. The book begins wit
Book Synopsis On a Solution to the Problem of the Poor Cyclic Fatigue Resistance of Bulk Metallic Glasses by :
Download or read book On a Solution to the Problem of the Poor Cyclic Fatigue Resistance of Bulk Metallic Glasses written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The recent development of metallic glass-matrix composites represents a particular milestone in engineering materials for structural applications owing to their remarkable combinations of strength and toughness. However, metallic glasses are highly susceptible to cyclic fatigue damage and previous attempts to solve this problem have been largely disappointing. Here we propose and demonstrate a microstructural design strategy to overcome this limitation by matching the microstructural length scales (of the second phase) to mechanical crack-length scales. Specifically, semi-solid processing is used to optimize the volume fraction, morphology, and size of second phase dendrites to confine any initial deformation (shear banding) to the glassy regions separating dendrite arms having length scales of ≈ 2 [mu]m, i.e., to less than the critical crack size for failure. Confinement of the damage to such interdendritic regions results in enhancement of fatigue lifetimes and increases the fatigue limit by an order of magnitude making these 'designed' composites as resistant to fatigue damage as high-strength steels and aluminum alloys. These design strategies can be universally applied to any other metallic glass systems.
Book Synopsis Bulk Amorphous Alloys by : Akihisa Inoue
Download or read book Bulk Amorphous Alloys written by Akihisa Inoue and published by . This book was released on 1999 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book focuses on the practical characteristics and applications of bulk amorphous alloys. The topics covered include: mechanical properties, corrosioin resistance, soft magnetic properties, magnetostrictive properties, hard magnetic properties, viscous flow, micro-formability, consolidation behaviour, dispersion strengthened by ceramic particles, nanocrystallization effects and cold workability. A previous volume on bulk amorphous alloys (published as Materials Science Foundations Vol. 4, 1998) dealt with the preparation and fundamental characteristics of bulk amorphous alloys.
Book Synopsis An Introduction to Metal Matrix Composites by : T. W. Clyne
Download or read book An Introduction to Metal Matrix Composites written by T. W. Clyne and published by Cambridge University Press. This book was released on 1993 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal matrix composites constitute a new class of materials, now starting to make a major industrial impact in fields as diverse as aerospace, automotives and electronics. This book gives a comprehensive, integrated coverage of these materials, including the background to analytical-, experimental-, production and application-oriented aspects. Clear pictorial descriptions are given of the basic principles governing various properties and characteristics; these encompass mechanical, thermal, electrical, environmental and wear behaviour. Coverage also extends to material processing and component fabrication aspects and to a survey of commercial usage. This book is aimed primarily at scientists, engineers, production managers and all those involved in research on new materials in general, and metal matrix composites in particular, but may also be suitable for use as a text in beginning graduate and advanced undergraduate courses.
Book Synopsis Bulk Metallic Glasses and Their Composites by : Hesham Ezzat Khalifa
Download or read book Bulk Metallic Glasses and Their Composites written by Hesham Ezzat Khalifa and published by . This book was released on 2009 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: A design protocol utilizing common elements for bulk metallic glass formation has been employed to develop novel, low cost Fe-, and Ti- based bulk metallic glasses. A critical obstacle that was successfully overcome in this work is the omission of beryllium in these alloys. Beryllium is of vital importance in many bulk metallic glass forming systems, but it is expensive and poses considerable health risks. Bulk metallic glasses in these novel Fe-, and Ti-based systems exhibit extremely high mechanical strength and excellent thermal stability. Devitrification and cooling rate experiments were used to identify crystalline phase formation and assess activation energy for crystallization, as well as to explore and develop ductile BMG composites. To better control microstructure in these BMG composites, a novel processing technique, called semi-solid forging was developed, wherein the alloy melt is heated to above the melt temperature of the glass, but below the melt temperature of the ductile crystalline phase. Such an approach permits the maintenance of a glassy, or nanocrystalline matrix phase, while simultaneously coarsening and homogenizing the ductile, secondary phase. This processing approach leads to enhanced ductility in the alloys, which, to this point, has not been observed using conventional casting methods. The combination of novel, low-cost, alloy compositions with semi-solid forging has been successfully utilized to develop new high strength structural materials with enhanced ductility and toughness. Microstrutural and mechanical properties of these novel, toughened, BMG composites are presented. A comprehensive analysis of the relationship between deformation mechanisms and microstructure reveals that enhanced ductility is predicated on matching fundamental mechanical and microstructural length scales in a Ti-Ni-Si-Mo BMG composite. Under optimized microstructural conditions, a maximum compressive strength exceeding 2400 MPa with ~ 30% total strain to failure was achieved. Furthermore, a 400% increase in fracture toughness over the monolithic glass, and tensile ductility of 3.5% were observed. The design of conventional, crystalline, high-performance structural materials is governed by optimizing combinations of mechanical properties such as strength, ductility, toughness, and elasticity. In general though, high strength comes at the expense of ductility. The development of ductile BMG composites represents the dawn of a new era in structural materials that couples ultra high strength with considerable ductility and enhanced fracture toughness.
Book Synopsis Engineering Materials 2 by : Michael F. Ashby
Download or read book Engineering Materials 2 written by Michael F. Ashby and published by Elsevier. This book was released on 2014-06-28 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a thorough explanation of the basic properties of materials; of how these can be controlled by processing; of how materials are formed, joined and finished; and of the chain of reasoning that leads to a successful choice of material for a particular application. The materials covered are grouped into four classes: metals, ceramics, polymers and composites. Each class is studied in turn, identifying the families of materials in the class, the microstructural features, the processes or treatments used to obtain a particular structure and their design applications. The text is supplemented by practical case studies and example problems with answers, and a valuable programmed learning course on phase diagrams.
