Surface Integrity on Post Processed Alloy 718 After Nonconventional Machining PDF Download
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Author: Jonas Holmberg
Publisher:
ISBN: 9789187531729
Category :
Languages : en
Pages : 92
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Book Description
Author: Jonas Holmberg
Publisher:
ISBN: 9789187531729
Category :
Languages : en
Pages : 92
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Book Description
Author: Daniel James Brown
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 94
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Book Description
The development of additive manufacturing (AM) in the past decade has brought along with it a number of new opportunities and challenges when it comes to how parts are manufactured. While this development represents an increase in the capabilities and performance of the AM parts, much work and research still needs to be done in order to ascertain how to avoid the limitations that plague AM such as low dimensional accuracy, high surface roughness, and large tensile residual stress. Ongoing efforts to improve part quality through process optimization of parameters such as scan speed and laser power, post heat treatment, or machining, are currently being pursued to mitigate these limitations, and it is likely that the fabrication of a functional part lies within the use of all of these efforts. Little study has been done to characterize surface integrity of an as-SLM part followed by milling (e.g., hybrid SLM-milling). In this paper, surface integrity including surface roughness, microstructure, and microhardness have been characterized for the IN718 samples processed by the hybrid process. It has been found that surface integrity can be significantly improved by the hybrid SLM-milling route. To investigate the machinability of the deposited materials, energy consumption was collected and analyzed in terms of specific energy between dry and flood milling of as-SLM IN718, dry-milling of conventional IN718, and flood-milling of conventional IN718. Energy consumption was the lowest for both flood milling cases compared to the dry milling case, and the lowest for both as-SLM cases in comparison to the conventionally produced cases.
Author: Lotfi Sai
Publisher: Springer Nature
ISBN: 3031426592
Category : Technology & Engineering
Languages : en
Pages : 317
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Book Description
This book presents select proceedings of the 2nd International Conference on Innovative Materials, Manufacturing and Advanced Technologies (IMMAT'2022), held in Sousse, Tunisia, on October 27-29, 2022. The covered topics include theoretical, experimental and technological works and its application in various challenging domains like materials sciences, mechanical design, manufacturing, environment and heat transfer. The volume provides an overview of innovations and technological advances in mechanical engineering. Given the selected and peer reviewed papers, it will be a useful resource for practitioners working on cutting-edge topics in several areas related to the mechanics such as mechanical behavior, material-process interaction, fatigue behavior, tribological behavior of surfaces, manufacturing, organization and optimization of production processes, additive manufacturing processes, renewable energy, design of lightweight components, robotics and industry 4.0. This book is intended to serve researchers, engineers and professionals working in the fields of material and mechanical engineering.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Society of Manufacturing Engineers
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Author: Suneev Anil Bansal
Publisher: Bentham Science Publishers
ISBN: 9811483639
Category : Technology & Engineering
Languages : en
Pages : 162
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Book Description
In the modern era of manufacturing, unconventional machining methods are quite popular due to various advantages such as high accuracy, excellent surface finish, less tool wear, much quieter operations, among others. Moreover, new age and novel materials are sometimes hard to machine with traditional machining processes due to their high strength and brittleness. Advances in Nonconventional Machining Processes covers recent development in such methods. Chapters have been contributed by many authors and provide detailed information about machining processes (ultrasonic machining, thermally enhanced machining and electronic discharge machining, to name a few). Additional chapters that provide information about novel materials and their fabrication as well as innovations in machining methods (including the use of machine learning techniques) which have long been established on an industrial scale are also included in the book. Advances in Nonconventional Machining Processes is a reference work suitable for apprentices and academic scholars studying manufacturing. Industry professionals who wish to know about cutting-edge developments in machining techniques will also find this a useful handbook for their library.
Author: Mohamed Abdel Aziz Ayad
Publisher:
ISBN:
Category :
Languages : en
Pages : 85
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Book Description
Author: Eliahu Zahavi
Publisher: CRC Press
ISBN: 1351448811
Category : Technology & Engineering
Languages : en
Pages : 340
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Book Description
Modern analytical theories of fatigue coupled with a knowledge of processing effects on metals make up the sound basis for designing machine parts that are free from unexpected failure. Fatigue Design: Life Expectancy of Machine Parts provides the information and the tools needed for optimal design. It highlights practical approaches for effectively solving fatigue problems, including minimizing the risk of hidden perils that may arise during production processes or from exposure to the environment.The material is presented with a dual approach: the excellent coverage of the theoretical aspects is accented by practical illustrations of the behavior of machine parts. The theoretical approach combines the fundamentals of solid mechanics, fatigue analysis, and crack propagation. The chapters covering fatigue theories are given special emphasis, starting with the basics and progressing to complicated multiaxial nonlinear problems.The practical approach concentrates on the effects of surface processing on fatigue life and it illustrates many faceted fatigue problems taken from case studies. The solutions demonstrate the authors' detailed analyses of failure and are intended to be used as preventive guidelines. The cases are a unique feature of the book. The numerical method used is the finite element method, and is presented with clear explanations and illustrations.Fatigue Design: Life Expectancy of Machine Parts is an extremely valuable tool for both practicing design engineers and engineering students.
Author: Srichand Hinduja
Publisher: Springer Science & Business Media
ISBN: 1849964327
Category : Technology & Engineering
Languages : en
Pages : 581
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Book Description
Presented here are 130 refereed papers given at the 36th MATADOR Conference held at The University of Manchester in July 2010. The MATADOR series of conferences covers the topics of Manufacturing Automation and Systems Technology, Applications, Design, Organisation and Management, and Research. The proceedings of this Conference contain original papers contributed by researchers from many countries on different continents. The papers cover the principles, techniques and applications in aerospace, automotive, biomedical, energy, consumable goods and process industries. The papers in this volume reflect: • the importance of manufacturing to international wealth creation; • the emerging fields of micro- and nano-manufacture; • the increasing trend towards the fabrication of parts using lasers; • the growing demand for precision engineering and part inspection techniques; and • the changing trends in manufacturing within a global environment.
Author: Rupinder Singh
Publisher: CRC Press
ISBN: 0429642741
Category : Science
Languages : en
Pages : 159
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Book Description
This new book covers process optimization and process capability for hybrid NCMP (nonconventional machining process), and combines NCMP and conventional machining removal processes for various hybridized processes. This book is focused on understanding the basic mechanism of some of the NCMPs for their possible hybridization. This book can be used for the development of a basic framework on hybridization for the selected NCMP. The framework is further strengthened by case studies included in this book. The concept of macro-modeling for NCMP and the framework for the development of industrial standards have been outlined. This book is of interest to researchers and graduate students working in the field of hybrid NCMP, especially for the development of novel processes. Field engineers of NCMP may also use it for further process development. Features: Provides a detailed description of mechanism for different NCMPs for possible hybridization. Includes a case study on mechanism of processes. Offers a systematic approach for understanding NCMP. Covers the issues of process optimization and process capability for hybrid NCMP.
