Bulk Metallic Glasses And Their Composites
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Bulk Metallic Glasses And Their Composites
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Author : Muhammad Musaddique Ali Rafique
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2021-09-20
Bulk Metallic Glasses And Their Composites written by Muhammad Musaddique Ali Rafique and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-20 with Technology & Engineering categories.
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.
Bulk Metallic Glasses And Their Composites
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Author : Hesham Ezzat Khalifa
language : en
Publisher:
Release Date : 2009
Bulk Metallic Glasses And Their Composites written by Hesham Ezzat Khalifa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
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.
Metallic Glasses And Their Composites
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Author : D.V. Louzguine
language : en
Publisher: Materials Research Forum LLC
Release Date : 2021-01-05
Metallic Glasses And Their Composites written by D.V. Louzguine and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-05 with Technology & Engineering categories.
Metallic glasses and their crystal/glass composites find ever more applications in such fields as mini transformers, microelectromechanical devices, pressure sensors, precision surgical instruments, biological implants and sportive goods (springs, diaphragms, membranes, knife blades, electromagnetic wave shields, optical mirrors, power inductors, Coriolis flow meters, etc.). The book reviews recent research and suggests future developments, e.g. in the area of dual-phase composite/hybrid materials. Keywords: Metallic Glasses, Crystal/Glass Composites, Dual-phase Composite/Hybrid Materials, Supercooled Liquid, Devitrification, Magnetic Materials, Microelectromechanical Devices, Pressure Sensors, Orthopedic Screws, Precision Instruments, Biological Implants, Electromagnetic Wave Shields, Optical Mirrors, Power Inductors, Coriolis Flow Meters.
The World Of Bulk Metallic Glasses And Their Composites
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Author : Cang Fan
language : en
Publisher:
Release Date : 2007-01-01
The World Of Bulk Metallic Glasses And Their Composites written by Cang Fan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-01 with Bulk solids categories.
Metallic Glasses And Their Composites
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Author : D.V. Louzguine
language : en
Publisher: Materials Research Forum LLC
Release Date : 2018-01-02
Metallic Glasses And Their Composites written by D.V. Louzguine and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-02 with Technology & Engineering categories.
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
Bulk Metallic Glasses And Their Composites
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Author : Muhammad Musaddique Ali Rafique
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2021-09-20
Bulk Metallic Glasses And Their Composites written by Muhammad Musaddique Ali Rafique and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-20 with Technology & Engineering categories.
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.
Metallic Glasses And Their Composites
DOWNLOAD
Author : D.V. Louzguine
language : en
Publisher: Materials Research Forum LLC
Release Date : 2021-01-05
Metallic Glasses And Their Composites written by D.V. Louzguine and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-05 with Technology & Engineering categories.
Metallic glasses and their crystal/glass composites find ever more applications in such fields as mini transformers, microelectromechanical devices, pressure sensors, precision surgical instruments, biological implants and sportive goods (springs, diaphragms, membranes, knife blades, electromagnetic wave shields, optical mirrors, power inductors, Coriolis flow meters, etc.). The book reviews recent research and suggests future developments, e.g. in the area of dual-phase composite/hybrid materials. Keywords: Metallic Glasses, Crystal/Glass Composites, Dual-phase Composite/Hybrid Materials, Supercooled Liquid, Devitrification, Magnetic Materials, Microelectromechanical Devices, Pressure Sensors, Orthopedic Screws, Precision Instruments, Biological Implants, Electromagnetic Wave Shields, Optical Mirrors, Power Inductors, Coriolis Flow Meters.
Flow And Fracture Of Bulk Metallic Glass Alloys And Their Composites
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Author :
language : en
Publisher:
Release Date : 2001
Flow And Fracture Of Bulk Metallic Glass Alloys And Their Composites written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
The fracture and plastic deformation mechanisms of a Zr-Ti-Ni-Cu-Be bulk metallic glass and a composite utilizing a crystalline reinforcement phase are reviewed. The relationship between stress state, free volume and shear band formation are discussed. Positron annihilation techniques were used to confirm the predicted increase in free volume after plastic straining. Strain localization and failure were examined for a wide range of stress states. Finally, methods for toughening metallic glasses are considered. Significant increases in toughness are demonstrated for a composite bulk metallic glass containing a ductile second phase which stabilizes shear band formation and distributes plastic deformation.
Bulk Metallic Glasses
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Author : C. Suryanarayana
language : en
Publisher: CRC Press
Release Date : 2017-11-22
Bulk Metallic Glasses written by C. Suryanarayana and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-22 with Technology & Engineering categories.
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.
Fundamental Mechanisms Of Deformation And Fracture In High Strength Bulk Metallic Glass Alloys And Their Composites
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Author :
language : en
Publisher:
Release Date : 2001
Fundamental Mechanisms Of Deformation And Fracture In High Strength Bulk Metallic Glass Alloys And Their Composites written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
The recent development of bulk metallic glasses (BMG's) offers the potential for metallic material systems with dramatically improved mechanical properties. Tensile strengths of 2 Gpa and toughnesses of up to 55 Mpav.m have been reported. These high strength and toughness values are accompanied by remarkably little plastic deformation. Until recently, little work has been undertaken to elucidate the fundamental deformation and fracture mechanisms of these alloys. This technical report describes a three year program of study designed to characterize the mechanisms of deformation, fracture and fatigue of a Zr-based BMG under a range of stress state, environmental and fatigue loading conditions.