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Author : Anton Puškár
Publisher : Unknown
Page : 328 pages
File Size : 54,7 Mb
Release : 1989
Category : Fracture mechanics
ISBN : UCAL:B4388091
Author : Anton Puškár
Publisher : Elsevier Publishing Company
Page : 326 pages
File Size : 51,8 Mb
Release : 1989
Category : Technology & Engineering
ISBN : UOM:39015017712301
The effective utilization of energy, raw materials, metals and manpower in a dynamically developing society calls for the development of materials of unconventional properties and for high endurance and reliability in operation. The responses of various materials to unidirectional or repeated mechanical stress has already been examined, estimated, classified and quantified for more than two centuries. In spite of this, it is not possible at present to generalize the sophisticated processes occurring in the microplasticity and failure of materials. However, it is possible to offer a more or less compact physico-metallurgical interpretation of such limiting states as plastic flow and material failure. The better utilization of latent properties requires thorough knowledge of the physical essence of the critical processes occurring in materials under mechanical loading. This book makes use of the accumulated knowledge of elementary processes in microplasticity and failure, complemented by the latest knowledge from the world literature and by the results the author and his collaborators have obtained. No publication to date provides such data in one volume.
Author : M. Klesnil,P. Lukác
Publisher : Elsevier
Page : 274 pages
File Size : 40,5 Mb
Release : 1992-04-13
Category : Technology & Engineering
ISBN : 0444987231
This book reviews problems in the mechanical behaviour of cyclically loaded metallic materials, primarily with regard to the nature of the fatigue process. The first edition of the book appeared in 1980. The present second edition represents a revised form of the original book and also covers recent developments in the field. As the book focuses on physical-metallurgical aspects, it occupies a unique and important position in the technical literature, which has so far been devoted mainly to engineering metal fatigue problems and their technical solution in specific practical cases. The book provides a compact review of current knowledge on physical metallurgical processes that accompany and affect the fatigue of metallic materials, and also presents the background for applying the new results to practical designing and to the selection of materials in engineering practice. The authors present an updated review of results from countries both in the east and the west and cover a relatively large field in a concise manner. The work will be of value to research workers and students following advanced and post-graduate courses in the fields of materials science and mechanical engineering.
Author : M. Bílý
Publisher : Elsevier
Page : 387 pages
File Size : 46,5 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9781483291710
An integral review is given in this book on the fatigue phenomenon covering the fundamentals of fatigue damage initiation, relevant factors influencing fatigue crack propagation and fatigue life, random load analysis, and simulation for theoretical and experimental fatigue life assessment. The entire chain of problems related to fatigue of metals and structural components is covered. Specifically, it describes the low-cycle plastic properties and statistically interprets the material stress reaction, examining original results of investigations on inelastic deformations under high cycle cyclic loading and correlating them with a number of use parameters. The limit states of bodies with primary defects and their resistance to fatigue crack propagation are discussed. Measurements, analysis and real-time modelling of operating loads for experimental fatigue life verification are reviewed as well as introducing some new fatigue damage accumulation hypotheses based on dissipated energy. Various operating and environmental factors of the fatigue life are analyzed, including temperature, metal structures, corrosive environment, stress-strain amplitudes and their changes, random load (strain) properties, stress gradient frequency, mean level, etc. The work is intended for all those involved in research and development in the metal, machine and structure fields.
Author : J. Koutský,J. Kocík
Publisher : Elsevier
Page : 362 pages
File Size : 42,6 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9781483291628
Maintaining the integrity of nuclear power plants is critical in the prevention or control of severe accidents. This monograph deals with both basic groups of structural materials used in the design of light-water nuclear reactors, making the primary safety barriers of NPPs. Emphasis is placed on materials used in VVER-type nuclear reactors: Cr-Mo-V and Cr-Ni-Mo-V steel for RPV and Zr-Nb alloys for fuel element cladding. The book is divided into 7 main chapters, with the exception of the opening one and the chapter providing a phenomenological background for the subject of radiation damage. Chapters 3-6 are devoted to RPV steels and chapters 7-9 to zirconium alloys, analysing their radiation damage structure, changes of mechanical properties due to neutron irradiation as well as factors influencing the degree of their performance degradation. The recovery of damaged materials is also discussed. Considerable attention is paid to a comparison of VVER-type and western-type light-water materials. This monograph will be of great value to postgraduate students in nuclear engineering and materials science, and for designers and research workers in nuclear energy.
Author : M. Predeleanu,P. Gilormini
Publisher : Elsevier
Page : 422 pages
File Size : 51,6 Mb
Release : 1997-06-18
Category : Technology & Engineering
ISBN : 0080544894
This collection of papers focus on advanced methods for predicting and avoiding the occurrence of defects in manufactured products. A new feature is included, namely, the influence of the processing-induced defects on the integrity of structures. The following topics are developed: damage modeling; damage evaluation and rupture; strain localization and instability analysis; formability characterization; prediction of shape inaccuracies; influence of defects on structural integrity. The main manufacturing operations are covered and various materials are examined, such as new and conventional metal alloys, ceramics, polymers and composites.
Author : K.T. Rie,H.W. Grünling,G. König,P. Neumann,H. Nowack,K.-H. Schwalbe,T. Seeger
Publisher : Springer Science & Business Media
Page : 911 pages
File Size : 46,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401128605
Proceeds of the Third International Conference on Low Cycle Fatigue and Elasto-plastic Behaviour of Materials, Berlin Congress Center, Berlin, Germany, 7-11 September 1992
Author : K. Sobczyk,B. F. Spencer Jr.
Publisher : Academic Press
Page : 277 pages
File Size : 47,6 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780323138581
For many years fatigue has been a significant and difficult problem for engineers, especially for those who design structures such as aircraft, bridges, pressure vessels, and cranes. Fatigue of engineering materials is commonly regarded as an important deterioration process and a principal mode of failure for various structural and mechanical systems. This book presents a unified approach to stochastic modeling of the fatigue phenomenon, particularly the fatigue crack growth process. The main approaches to construction of these stochastic models are presented to show their methodological consistency and potential usefulness in engineering practice. The analyses contained in this work should also inspire the development of new approaches for designing and performing fatigue experiments.
Author : Pier Paolo Delsanto
Publisher : Springer Science & Business Media
Page : 535 pages
File Size : 41,9 Mb
Release : 2006-12-13
Category : Science
ISBN : 9780387358512
This book presents the results of two major international research projects on phenomenology, theory and applications of Nonclassical Nonlinearity. It conveys concepts, experimental techniques and applications which were previously found in specialized journals. It also allows for an interdisciplinary audience to better understand the range of practical applications, and is timely and interesting to both researchers and professionals.
Author : Konstantin V. Frolov,Oleg N. Favorsky,R.A. Chaplin and Christos Frangopoulos
Publisher : EOLSS Publications
Page : 484 pages
File Size : 45,7 Mb
Release : 2009-04-15
Category : Electronic
ISBN : 9781848262942
Mechanical Engineering, Energy Systems and Sustainable Development theme is a component of Encyclopedia of Physical Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The Theme on Mechanical Engineering, Energy Systems and Sustainable Development with contributions from distinguished experts in the field discusses mechanical engineering - the generation and application of heat and mechanical power and the design, production, and use of machines and tools. These five volumes are aimed at the following five major target audiences: University and College Students Educators, Professional Practitioners, Research Personnel and Policy Analysts, Managers, and Decision Makers, NGOs and GOs.
Author : ASM International,Steve Lampman
Publisher : ASM International
Page : 486 pages
File Size : 49,7 Mb
Release : 2003-01-01
Category : Technology & Engineering
ISBN : 9781615030736
The selection and application of engineered materials is an integrated process that requires an understanding of the interaction between materials properties, manufacturing characteristics, design considerations, and the total life cycle of the product. This reference book on engineering plastics provides practical and comprehensive coverage on how the performance of plastics is characterized during design, property testing, and failure analysis. The fundamental structure and properties of plastics are reviewed for general reference, and detailed articles describe the important design factors, properties, and failure mechanisms of plastics. The effects of composition, processing, and structure are detailed in articles on the physical, chemical, thermal, and mechanical properties. Other articles cover failure mechanisms such as: crazing and fracture; impact loading; fatigue failure; wear failures, moisture related failure; organic chemical related failure; photolytic degradation; and microbial degradation. Characterization of plastics in failure analysis is described with additional articles on analysis of structure, surface analysis, and fractography.
Author : Anton Puškár
Publisher : Elsevier Publishing Company
Page : 320 pages
File Size : 50,9 Mb
Release : 1990
Category : Technology & Engineering
ISBN : UOM:39015019610040
The Complex Programme of Scientific Engineering Progress of the COMECON Member Countries up to the Year 2000 has underlined the urgent need to intensify material, technological and constructional activities, to utilize unconventional materials and their production procedures, as well as computing techniques, so as to ensure the COMECON countries effectively utilize sources of raw materials, energy and human resources, preserving or possibly enhancing the environment in the process. The demands raised in connection with performance, speed, endurance and reliability will continue to be put forward, in designing machines, equipment and structures. Many components, nodes and constructions are being dynamically loaded in operation under various thermal conditions, under the action of various media and power fields. This results in exposure to failure and damage of components and nodes much more often than under the sole action of mechanical load. This volume gives an assessment of 33 forms of failure and damage of materials and components under the influence of these causes enabling the author to set up the systematics of threshold states, with certain limits.
Author : Mark F. Horstemeyer
Publisher : John Wiley & Sons
Page : 688 pages
File Size : 52,8 Mb
Release : 2018-02-23
Category : Technology & Engineering
ISBN : 9781119018391
Focuses entirely on demystifying the field and subject of ICME and provides step-by-step guidance on its industrial application via case studies This highly-anticipated follow-up to Mark F. Horstemeyer’s pedagogical book on Integrated Computational Materials Engineering (ICME) concepts includes engineering practice case studies related to the analysis, design, and use of structural metal alloys. A welcome supplement to the first book—which includes the theory and methods required for teaching the subject in the classroom—Integrated Computational Materials Engineering (ICME) For Metals: Concepts and Case Studies focuses on engineering applications that have occurred in industries demonstrating the ICME methodologies, and aims to catalyze industrial diffusion of ICME technologies throughout the world. The recent confluence of smaller desktop computers with enhanced computing power coupled with the emergence of physically-based material models has created the clear trend for modeling and simulation in product design, which helped create a need to integrate more knowledge into materials processing and product performance. Integrated Computational Materials Engineering (ICME) For Metals: Case Studies educates those seeking that knowledge with chapters covering: Body Centered Cubic Materials; Designing An Interatomic Potential For Fe-C Alloys; Phase-Field Crystal Modeling; Simulating Dislocation Plasticity in BCC Metals by Integrating Fundamental Concepts with Macroscale Models; Steel Powder Metal Modeling; Hexagonal Close Packed Materials; Multiscale Modeling of Pure Nickel; Predicting Constitutive Equations for Materials Design; and more. Presents case studies that connect modeling and simulation for different materials' processing methods for metal alloys Demonstrates several practical engineering problems to encourage industry to employ ICME ideas Introduces a new simulation-based design paradigm Provides web access to microstructure-sensitive models and experimental database Integrated Computational Materials Engineering (ICME) For Metals: Case Studies is a must-have book for researchers and industry professionals aiming to comprehend and employ ICME in the design and development of new materials.
Author : Ivan Hrivňák
Publisher : Elsevier Publishing Company
Page : 388 pages
File Size : 41,9 Mb
Release : 1992
Category : Technology & Engineering
ISBN : UOM:39015028446907
This book reviews the behaviour of metals and alloys during welding. In the first part the heat flow in arc welding processes is discussed. The weld thermal cycle is explained in terms of heat input, and the geometry of weld and thicknesses to be welded. The real welding cycle is described in terms of thermal and strain cycles. The weld metal is characterized in terms of fusion stage, absorption of gases and stage of metal crystallization and structural transformation. The metallurgical background of cracking is described by a full set of crackability tests along with the evaluation of metals from the point of view of crackability. Post welding heat treatment is reviewed, and includes the relaxation of stresses induced by welding. Guidelines are given for the selection of steels for welded structures. Several chapters examine the weldability of particular steels, including high strength steels, stainless steels, high alloyed steels, cryogenic steels and other metals and alloys. The theories are quantified in the form of calculations or computing programmes. Readers will find sufficent data for software processing.
Author : Wei Yang,W.B. Lee
Publisher : Springer Science & Business Media
Page : 399 pages
File Size : 41,6 Mb
Release : 2013-04-18
Category : Technology & Engineering
ISBN : 9783642500404
This monograph written by two Chinese scientists of the younger generation opens a window into the world of thoughts on Mechanical Metallurgy in this fascinating area of our world, characterized by age old cultural heritage as weil as by its dynamic evolution into the future. Based on notions and names all so familiar to the western scientist, and regarding the subject from the point of view of the theoretical mechanical engineer (Yang) as weil as that of the materials and manufacturing engineer (Lee), the authors present a synthesis of both approaches and endeavour to guide the reader from basic theory to engineering applications. Between structural defects in the micrometer scale and the meter-measures of engineering components, the term of mesoplasticity is meant to place the reader right in the center: This is certainly achallenging enterprise, and the editor expresses his sincere wishes as to enrichment and stimulation which will emanate from this interesting book and its creative perspective. Prof. B. Ilschner March, 1993. Preface In the past two decades, enormous advances in materials and manufacturing tech nology have been achieved, which upgrade the material design, processing and precision manufacturing as quantitative and concise scientific disciplines. Rapid improvements on mechanics understanding have been instrumental in the above mentioned development. A topic of great interest and importance in plasticity re search has been the design and processing of materials themselves on the mesoscale to achieve the desired macroscopic properties.