fundamentals of creep in metals and alloys

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Fundamentals Of Creep In Metals And Alloys

Author : Michael E. Kassner
ISBN : 9780080994321
Genre : Technology & Engineering
File Size : 47. 61 MB
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Although the present edition of Fundamentals of Creep in Metals and Alloys remains broadly up to date for metals, there are a range of improvements and updates that are either desirable, or required, in order to ensure that the book continues to meet the needs of researchers and scholars in the general area of creep plasticity. Besides updating the areas currently covered in the second edition with recent advances, the third edition will broaden its scope beyond metals and alloys to include ceramics, covalent solids, minerals and polymers, thus addressing the fundamentals of creep in all basic classes of materials. Numerous line drawings with consistent format and units allow easy comparison of the behavior of a very wide range of materials Transmission electron micrographs provide direct insight into the basic microstructure of metals deforming at high temperatures Extensive literature review of about 1000 references provides an excellent overview of the field

High Temperature Strain Of Metals And Alloys

Author : Valim Levitin
ISBN : 9783527607143
Genre : Technology & Engineering
File Size : 58. 64 MB
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Creep and fatigue are the most prevalent causes of rupture in superalloys, which are important materials for industrial usage, e.g. in engines and turbine blades in aerospace or in energy producing industries. As temperature increases, atom mobility becomes appreciable, affecting a number of metal and alloy properties. It is thus vital to find new characterization methods that allow an understanding of the fundamental physics of creep in these materials as well as in pure metals. Here, the author shows how new in situ X-ray investigations and transmission electron microscope studies lead to novel explanations of high-temperature deformation and creep in pure metals, solid solutions and superalloys. This unique approach is the first to find unequivocal and quantitative expressions for the macroscopic deformation rate by means of three groups of parameters: substructural characteristics, physical material constants and external conditions. Creep strength of the studied up-to-date single crystal superalloys is greatly increased over conventional polycrystalline superalloys. From the contents: - Macroscopic characteristics of strain at high temperatures - Experimental equipment and technique of in situ X-ray investigations - Experimental data and structural parameters in deformed metals - Subboundaries as dislocation sources and obstacles - The physical mechanism of creep and the quantitative structural model - Simulation of the parameters evolution - System of differential equations - High-temperature deformation of industrial superalloys - Single crystals of superalloys - Effect of composition, orientation and temperature on properties - Creep of some refractory metals For materials scientists, solid state physicists, solid state chemists, researchers and practitioners from industry sectors including metallurgical, mechanical, chemical and structural engineers.

Deformation Mechanism Maps

Author : H. J. Frost
ISBN : UOM:39015020881499
Genre : Science
File Size : 81. 72 MB
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Physics Of Creep And Creep Resistant Alloys

Author : F R N Nabarro
ISBN : 0850668522
Genre : Technology & Engineering
File Size : 64. 20 MB
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Unique in its approach, this introduction to the physics of creep concentrates on the physical principles underlying observed phenomena. As such it provides a resource for graduate students in materials science, metallurgy, mechanical engineering, physics and chemistry as well as researchers in other fields. Following a brief mathematical treatment, the authors introduce creep phenomena together with some empirical laws and observations. The mechanisms of creep and diffusion under varying experimental conditions are subsequently analysed and developed. The second half of the text considers alloying in greater detail as well as exploring the structure and properties of superalloys and stress effects in these materials.

Creep Deformation Fundamentals And Applications

Author : Minerals, Metals and Materials Society. Mechanical Behavior Committee
ISBN : UVA:X004589602
Genre : Technology & Engineering
File Size : 57. 82 MB
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These proceedings focus on the application of fundamental creep research to the design and development of high-temperature materials for engineering applications. The book deals with all aspects of creep deformation and high-temperature materials development, specifically the influence of microstructures on various aspects of creep and the application of this information in the design of highly creep-resistant materials. Emphasis will be placed on advanced ceramic and metal-matrix composites and advanced intermetallics. This volume brings together researchers working on fundamental issues relating to the development and characterization of high-temperature materials and design engineers involved in high-temperature applications.

Design For Creep

Author : Royston Kenneth Penny
ISBN : 0412590409
Genre : Technology & Engineering
File Size : 90. 51 MB
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Our rationale for the second edition remains the same as for the first edition, which appeared over twenty years ago. This is to offer simplified, useful and easily understood methods for dealing with the creep of components operating under conditions met in practice. When the first edition was written, we could not claim that the methods which were introduced were well-tried. They were somewhat conjectural, although firmly based, but not sufficiently well devel oped. Since that time, the Reference Stress Methods (RSM) introduced in the book have received much scrutiny and development. The best recognition we could have of the original methods is the fact that they are now firmly embedded in codes of practice. Hopefully, we have now gone a long way towards achieving our original objectives. There are major additions to this second edition which should help to justify our claims. These include further clarification regarding Reference Stress Methods in Chapter 4. There are also new topics which depend on RSM in varying degrees: • Creep fracture is covered in Chapter 7, where methods for assessing creep crack initiation and crack growth are fully described. This chapter starts with a review of the basic concepts of fracture mechanics and follows with useful, approximate methods, compatible with the needs of design for creep and the availability of standard data. • Creep/fatigue interactions and environmental effects appear in Chapter 8.

Handbuch Umformtechnik

Author : Eckart Doege
ISBN : 9783662438916
Genre : Technology & Engineering
File Size : 28. 60 MB
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Das Handbuch Umformtechnik erscheint jetzt in der dritten Auflage. Es ist ein hilfreiches Handwerkszeug für den Umformtechniker und überzeugt durch die kompakte und übersichtliche Darstellung grundlegenden Wissens und komplexer Inhalte für die wissenschaftliche Arbeit und die industrielle Praxis. Aktuelle Forschungsergebnisse sowie Erfahrungen aus über 50 Jahren universitärer Forschung und Lehre machen das Buch zu einem hilfreichen Handwerkszeug für den Umformtechniker. Der Inhalt Nach einer ausführlichen Darstellung der plastomechanischen und tribologischen Grundlagen widmet sich das Buch der Blechumformung, der Massivumformung sowie den Umformmaschinen in jeweils einem eigenständigen Kapitel. Dabei werden u. a. aktuelle Technologien und Verfahren sowie Pressenantriebe vorgestellt. Zahlreiche Grafiken und Diagramme veranschaulichen die Inhalte. Die Zielgruppen Das Buch wendet sich an Studierende des Maschinenbaus und dient Ingenieuren, Technikern und Wissenschaftlern auf dem Gebiet der Umformtechnik als übersichtliches Nachschlagewerk.

Mechanical And Creep Behavior Of Advanced Materials

Author : Indrajit Charit
ISBN : 9783319510972
Genre : Technology & Engineering
File Size : 76. 15 MB
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This collection commemorates the occasion of the honorary symposium that celebrated the 75th birthday and lifelong contributions of Professor K.L. Murty. The topics cover the present status and recent advances in research areas in which he made seminal contributions. The volume includes articles on a variety of topics such as high-temperature deformation behaviors of materials (elevated temperature creep, tensile, fatigue, superplasticity) and their micromechanistic interpretation, understanding mechanical behavior of HCP metals/alloys using crystallographic texture, radiation effects on deformation and creep of materials, mechanical behavior of nanostructured materials, fracture and fracture mechanisms, development and application of small-volume mechanical testing techniques, and general structure-property correlations.

Kriechfestigkeit Metallischer Werkstoffe

Author : Folke K.G. Odqvist
ISBN : 9783642524325
Genre : Science
File Size : 34. 19 MB
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Micromechanisms In Particle Hardened Alloys

Author : J. W. Martin
ISBN : 0521295807
Genre : Technology & Engineering
File Size : 89. 96 MB
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This book was first published in 1980. A great number of metallic materials in practical use owe their strength to the presence in their microstructure of particles of a hard precipitated phase. The text emphasises the importance of scientific rather than empirical methods in attempting to develop particle-hardened alloys. The author progresses from an elementary knowledge of metallurgy to theories relating to the deformation and fracture of alloys of this type. He also discusses the use of such theories to describe observations on both model materials and practical metals. After a discussion of the microstructures of these alloys, how they form and how to describe them quantitatively, their deformation and fracture behaviour at both low and elevated temperatures are examined.

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