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Author: William P. Koster
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 376
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Book Description
A program has been run to evaluate the effects of different metal removal methods and variations of these methods on surface integrity. Three alloys were studied: beta rolled Ti-6Al-4V; AISI 4340, quenched and tempered, 50 Rc; and Inconel 718, solution treated and aged. Various grinding procedures caused the titanium alloy to exhibit a fatigue strength range of 13 to 62 ksi. The fatigue strength of 4340 due to grinding variables ranged from 62 to 102 ksi, while Inconel 718 showed a range of 24 to 60 ksi. Abusive grinding conditions always resulted in fatigue strengths at the minimum of these ranges. Milling variables exhibited a fatigue strength range of 32 to 72 ksi in the beta rolled titanium alloy. EDM and ECM on Inconel 718 yielded 22 and 39 ksi, respectively, compared to 60 ksi for gentle grinding. Guidelines for processing aerospace hardware considering surface integrity requirements are presented in the report.
Author: William P. Koster
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 376
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Book Description
A program has been run to evaluate the effects of different metal removal methods and variations of these methods on surface integrity. Three alloys were studied: beta rolled Ti-6Al-4V; AISI 4340, quenched and tempered, 50 Rc; and Inconel 718, solution treated and aged. Various grinding procedures caused the titanium alloy to exhibit a fatigue strength range of 13 to 62 ksi. The fatigue strength of 4340 due to grinding variables ranged from 62 to 102 ksi, while Inconel 718 showed a range of 24 to 60 ksi. Abusive grinding conditions always resulted in fatigue strengths at the minimum of these ranges. Milling variables exhibited a fatigue strength range of 32 to 72 ksi in the beta rolled titanium alloy. EDM and ECM on Inconel 718 yielded 22 and 39 ksi, respectively, compared to 60 ksi for gentle grinding. Guidelines for processing aerospace hardware considering surface integrity requirements are presented in the report.
Author: J. Paulo Davim
Publisher: Springer Science & Business Media
ISBN: 1848828748
Category : Technology & Engineering
Languages : en
Pages : 222
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Book Description
"Surface Integrity in Machining" describes the fundamentals and recent advances in the study of surface integrity in machining processes. "Surface Integrity in Machining" gathers together research from international experts in the field. Topics covered include: the definition of surface integrity and its importance in functional performance; surface topography characterization and evaluation; microstructure modification and the mechanical properties of subsurface layers; residual stresses; surface integrity characterization methods; and surface integrity aspects in machining processes. A useful reference for researchers in tribology and materials, mechanical and materials engineers, and machining professionals, "Surface Integrity in Machining" can be also used as a textbook by advanced undergraduate and postgraduate students.
Author: Society of Manufacturing Engineers
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Author: Wit Grzesik
Publisher: Elsevier
ISBN: 0444637206
Category : Technology & Engineering
Languages : en
Pages : 610
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Book Description
Advanced Machining Processes of Metallic Materials: Theory, Modelling and Applications, Second Edition, explores the metal cutting processes with regard to theory and industrial practice. Structured into three parts, the first section provides information on the fundamentals of machining, while the second and third parts include an overview of the effects of the theoretical and experimental considerations in high-level machining technology and a summary of production outputs related to part quality. In particular, topics discussed include: modern tool materials, mechanical, thermal and tribological aspects of machining, computer simulation of various process phenomena, chip control, monitoring of the cutting state, progressive and hybrid machining operations, as well as practical ways for improving machinability and generation and modeling of surface integrity. This new edition addresses the present state and future development of machining technologies, and includes expanded coverage on machining operations, such as turning, milling, drilling, and broaching, as well as a new chapter on sustainable machining processes. In addition, the book provides a comprehensive description of metal cutting theory and experimental and modeling techniques, along with basic machining processes and their effective use in a wide range of manufacturing applications. The research covered here has contributed to a more generalized vision of machining technology, including not only traditional manufacturing tasks, but also potential (emerging) new applications, such as micro and nanotechnology. - Includes new case studies illuminate experimental methods and outputs from different sectors of the manufacturing industry - Presents metal cutting processes that would be applicable for various technical, engineering, and scientific levels - Includes an updated knowledge of standards, cutting tool materials and tools, new machining technologies, relevant machinability records, optimization techniques, and surface integrity
Author: Graham T. Smith
Publisher: Springer Science & Business Media
ISBN: 1447138147
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
The subject of this book is surface metrology, in particular two major aspects: surface texture and roundness. It has taken a long time for manufacturing engineers and designers to realise the usefulness of these features in quality of conformance and quality of design. Unfortunately this awareness has come at a time when engineers versed in the use and specification of surfaces are at a premium. Traditionally surface metrology usage has been dictated by engineers who have served long and demanding apprenticeships, usually in parallel with studies leading to technician-level qualifications. Such people understood the processes and the achievable accuracies of machine tools, thereby enabling them to match production capability with design requirements. This synergy, has been made possible by the understanding of adherence to careful metrological procedures and a detailed knowledge of surface measuring instruments and their operation, in addition to wider inspection room techniques. With the demise in the UK of polytechnics and technical colleges, this source of skilled technicians has all but dried up. The shortfall has been made up of semi skilled craftsmen, or inexperienced graduates who cannot be expected to satisfy tradition al or new technology needs. Miniaturisation, for example, has had a pro found effect. Engineering parts are now routinely being made with nanometre surface texture and fiatness. At these molecular and atomic scales, the engineer has to be a physicist.
Author: Helmi A. Youssef
Publisher: CRC Press
ISBN: 1420043404
Category : Technology & Engineering
Languages : en
Pages : 672
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Book Description
Offering complete coverage of the technologies, machine tools, and operations of a wide range of machining processes, Machining Technology presents the essential principles of machining and then examines traditional and nontraditional machining methods. Available for the first time in one easy-to-use resource, the book elucidates the fundame
Author: J. Paulo Davim
Publisher: Springer Science & Business Media
ISBN: 0857299387
Category : Technology & Engineering
Languages : en
Pages : 170
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Book Description
Machining of Metal Matrix Composites provides the fundamentals and recent advances in the study of machining of metal matrix composites (MMCs). Each chapter is written by an international expert in this important field of research. Machining of Metal Matrix Composites gives the reader information on machining of MMCs with a special emphasis on aluminium matrix composites. Chapter 1 provides the mechanics and modelling of chip formation for traditional machining processes. Chapter 2 is dedicated to surface integrity when machining MMCs. Chapter 3 describes the machinability aspects of MMCs. Chapter 4 contains information on traditional machining processes and Chapter 5 is dedicated to the grinding of MMCs. Chapter 6 describes the dry cutting of MMCs with SiC particulate reinforcement. Finally, Chapter 7 is dedicated to computational methods and optimization in the machining of MMCs. Machining of Metal Matrix Composites can serve as a useful reference for academics, manufacturing and materials researchers, manufacturing and mechanical engineers, and professionals involved with MMC applications. It can also be used to teach modern manufacturing engineering or as a textbook for advanced undergraduate and postgraduate engineering courses in machining, manufacturing or materials.
Author: Helmi Youssef
Publisher: CRC Press
ISBN: 1000097145
Category : Technology & Engineering
Languages : en
Pages : 491
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Book Description
Non-Traditional and Advanced Machining Technologies covers the technologies, machine tools, and operations of non-traditional machining processes and assisted machining technologies. Two separate chapters deal with the machining techniques of difficult-to-cut materials, such as stainless, super alloys, ceramics, and composites. Design for machining, accuracy and surface integrity of machined parts, environment-friendly machine tools and operations, and hexapods are also presented. The topics covered throughout reflect the rapid and significant advances that have occurred in various areas in machining technologies and are organized and described in such a manner to draw the interest of the reader. The treatments are aimed at motiving and challenging the reader to explore viable solutions to a variety of questions regarding product design and optimum selection of machining operations for a given task. The book will be useful to professionals, students, and companies in the areas of industrial, manufacturing, mechanical, materials, and production engineering fields.
Author:
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 828
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Book Description
Author: Bijoy Bhattacharyya
Publisher: Academic Press
ISBN: 012812895X
Category : Technology & Engineering
Languages : en
Pages : 782
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Book Description
Modern Machining Technology: Advanced, Hybrid, Micro Machining and Super Finishing Technology explores complex and precise components with challenging shapes that are increasing in demand in industry. As the first book to cover all major technologies in this field, readers will find the latest technical developments and research in one place, allowing for easy comparison of specifications. Technologies covered include mechanical, thermal, chemical, micro and hybrid machining processes, as well as the latest advanced finishing technologies. Each topic is accompanied by a basic overview, examples of typical applications and studies of performance criteria. In addition, readers will find comparative advantages, model questions and solutions. - Addresses a broad range of modern machining techniques, providing specifications for easy comparison - Includes descriptions of the main applications for each method, along with the materials or products needed - Provides the very latest research in processes, including hybrid machining
