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On The Impact Of Non Optimal Parameters In Additive Manufacturing
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Book Synopsis On the Impact of Non-Optimal Parameters in Additive Manufacturing by : Julia Richter
Download or read book On the Impact of Non-Optimal Parameters in Additive Manufacturing written by Julia Richter and published by BoD – Books on Demand. This book was released on 2024-01-01 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Die additive Fertigung mit ihrem schichtweisen Aufbau bietet eine Vielzahl attraktiver Eigenschaften wie eine noch nie dagewesene Gestaltungsfreiheit und maßgeschneiderte mechanische Eigenschaften. Unter anderem erlaubt das pulverbettbasierte Laserstrahlschmelzen von Metallen (PBF-LB/M) die Herstellung hochkomplexer Teile mit einem Minimum an Nachbearbeitungsaufwand. Da die additiven Fertigungsverfahren jedoch vergleichsweise neu sind, gibt es noch einige offene Fragen bezüglich der Prozess-Mikrostruktur-Eigenschafts-Beziehung zu klären. In der vorliegenden Arbeit wurde der Einfluss verschiedener Prozessabweichungen, die einen nicht-idealen Prozesszustand darstellen, auf die Mikrostruktur und die mechanischen Eigenschaften von Eisen- und Aluminiumbasislegierungen untersucht. Aufgrund der großen Anzahl unterschiedlicher Prozessabweichungen konzentrierte sich diese Arbeit auf drei exemplarische, nicht-ideale Prozesse, d.h. Prozessunterbrechungen, die Verwendung von nicht-sphärischen Pulvern und einen variierenden Prozessgasstrom. Durch den Einsatz hochauflösender elektronenmikroskopischer Analysemethoden sowie der Röntgentomographie konnten tiefe Einblicke in die Mikrostruktur und die Defektbildungsmechanismen gewonnen werden. Der Einfluss von Mikrostruktur und Defekten auf die Schädigungsentwicklung unter mechanischer Belastung wurde analysiert und eine Modellidee für eine robuste Produktion abgeleitet und mit bestehenden Konzepten diskutiert.
Book Synopsis Additive Manufacturing Technologies from an Optimization Perspective by : Kaushik Kumar
Download or read book Additive Manufacturing Technologies from an Optimization Perspective written by Kaushik Kumar and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this technology-driven era, conventional manufacturing is increasingly at risk of reaching its limit, and a more design-driven manufacturing process, additive manufacturing, might just hold the key to innovation. Offering a higher degree of design freedom, the optimization and integration of functional features, and the manufacturing of small batch sizes, additive manufacturing is changing industry as we know it. Additive Manufacturing Technologies From an Optimization Perspective is a critical reference source that provides a unified platform for the dissemination of basic and applied knowledge about additive manufacturing. It carefully examines how additive manufacturing is increasingly being used in series production, giving those in the most varied sectors of industry the opportunity to create a distinctive profile for themselves based on new customer benefits, cost-saving potential, and the ability to meet sustainability goals. Highlighting topics such as bio-printing, tensile strength, and cell printing, this book is ideally designed for academicians, students, engineers, scientists, software developers, architects, entrepreneurs, and medical professionals interested in advancements in next-generation manufacturing.
Book Synopsis Optimal Process Parameters in 3D Additive Manufacturing by Data Mining by : 范凱德
Download or read book Optimal Process Parameters in 3D Additive Manufacturing by Data Mining written by 范凱德 and published by . This book was released on 2018 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Topology Optimization for Additive Manufacturing Involving High-Cycle Fatigue by : Shyam Suresh
Download or read book Topology Optimization for Additive Manufacturing Involving High-Cycle Fatigue written by Shyam Suresh and published by Linköping University Electronic Press. This book was released on 2020-05-05 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additive Manufacturing (AM) is gaining popularity in aerospace and automotive industries. This is a versatile manufacturing process, where highly complex structures are fabricated and together with topology optimization, a powerful design tool, it shares the property of providing a very large freedom in geometrical form. The main focus of this work is to introduce new developments of Topology Optimization (TO) for metal AM. The thesis consists of two parts. The first part introduces background and theory, where TO and adjoint sensitivity analysis are described. Furthermore, methodology used to identify surface layer and high-cycle fatigue are introduced. In the second part, three papers are appended, where the first paper presents the treatment of surface layer effects, while the second and third papers provide high-cycle fatigue constraint formulations. In Paper I, a TO method is introduced to account for surface layer effects, where different material properties are assigned to bulk and surface regions. In metal AM, the fabricated components in as-built surface conditions significantly affect mechanical properties, particularly fatigue properties. Furthermore, the components are generally in-homogeneous and have different microstructures in bulk regions compared to surface regions. We implement two density filters to account for surface effects, where the width of the surface layer is controlled by the second filter radius. 2-D and 3-D numerical examples are treated, where the structural stiffness is maximized for a limited mass. For Papers II and III, a high-cycle fatigue constraint is implemented in TO. A continuous-time approach is used to predict fatigue-damage. The model uses a moving endurance surface and the development of damage occurs only if the stress state lies outside the endurance surface. The model is applicable not only for isotropic materials (Paper II) but also for transversely isotropic material properties (Paper III). It is capable of handling arbitrary load histories, including non-proportional loads. The anisotropic model is applicable for additive manufacturing processes, where transverse isotropic properties are manifested not only in constitutive elastic response but also in fatigue properties. Two optimization problems are solved: In the first problem the structural mass is minimized subject to a fatigue constraint while the second problem deals with stiffness maximization subjected to a fatigue constraint and mass constraint. Several numerical examples are tested with arbitrary load histories.
Book Synopsis Investigation of Additive Manufacturing Process Parameters for Sustainability to Optimize Energy and Material Consumption by : Marwan Khalid
Download or read book Investigation of Additive Manufacturing Process Parameters for Sustainability to Optimize Energy and Material Consumption written by Marwan Khalid and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additive Manufacturing (AM) offers many advantages to make objects over traditional subtractive manufacturing methods. For example, complex geometries can be easily fabricated, and light weight parts can be formed while maintaining the parts strength for the low carbon footprint, low material consumption and waste. But there are few areas in AM to improve i.e., sustainability, reliability, productivity, robustness, material diversity and part quality. Life Cycle Assessment studies have identified that the AM printing stage has a big impact on the life cycle sustainability of 3D printed products. AM building parameters can be properly selected to improve the sustainability of AM. This thesis presents an investigation of the Fused Deposition Modelling (FDM) process parameters for sustainability i.e., to reduce the energy and material consumption. Investigated parameters include the printing layer height, number of shells, material infilling percentage, infilling type, and building orientation. The impact of these parameters on the energy consumption, part weight, scrap weight and production time has been studied. The study uses both simulation and experimental methods to improve the accuracy of results. Taguchi Design of Experiments approach and statistical analysis tools are used to find optimal FDM parameter settings for sustainability. The building orientation and layer height have been found as major influencers on the energy consumption, part weight, scrap weight, and production time, whereas the number of shells, infilling type and infill percentage have the less impact. It is concluded that the building orientation and layer height can be optimized to reduce the energy and material consumption. It is found that the energy consumption is proportional to production time. The significance of this research lies on the factor that it investigates five AM process parameters at 3 levels. Models formulated in this research can be easily extended to other AM processes.
Book Synopsis Additive Manufacturing with Novel Materials by : R. Rajasekar
Download or read book Additive Manufacturing with Novel Materials written by R. Rajasekar and published by John Wiley & Sons. This book was released on 2024-02-19 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: ADDITIVE MANUFACTURING With NOVEL MATERIALS The book explores practically the latest advancements and techniques in 3D and 4D printing using innovative and unconventional materials. This book comprehensively provides insights into various additive manufacturing processes, novel materials, and their properties, as well as the basic knowledge of AM process parameters, post-processing techniques, and their applications. It also explores the fundamental concepts and recent advancements in the development of novel materials for several applications, with special emphasis on platforms like AM techniques for polymers, ceramics, metallic materials, composites, nanomaterials, hydrogels, etc. Specific topics like environmental aspects of 3D printing and advanced 4D printing are also introduced. The technological aspects of AM are discussed in a concise and understandable way, with extensive illustrations. Also covered are the challenges and opportunities that arise from 3D printing with these materials. Audience The book will benefit researchers and industry engineers who work in additive manufacturing, mechanical engineering, 3D/4D printing, and materials science.
Book Synopsis Laser-Based Additive Manufacturing of Metal Parts by : Linkan Bian
Download or read book Laser-Based Additive Manufacturing of Metal Parts written by Linkan Bian and published by CRC Press. This book was released on 2017-08-09 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-Based Additive Manufacturing (LBAM) technologies, hailed by some as the "third industrial revolution," can increase product performance, while reducing time-to-market and manufacturing costs. This book is a comprehensive look at new technologies in LBAM of metal parts, covering topics such as mechanical properties, microstructural features, thermal behavior and solidification, process parameters, optimization and control, uncertainty quantification, and more. The book is aimed at addressing the needs of a diverse cross-section of engineers and professionals.
Book Synopsis Handbook of Post-Processing in Additive Manufacturing by : Gurminder Singh
Download or read book Handbook of Post-Processing in Additive Manufacturing written by Gurminder Singh and published by CRC Press. This book was released on 2023-10-04 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Post-Processing in Additive Manufacturing is a key resource on postprocessing treatments available for additive manufactured products. It provides broad coverage of the theory behind emerging technology, material development, functional characterization, and technical details required to investigate novel applications and methods and put them to use. The handbook presents experimental breakthroughs of novel methodologies that treat additively manufactured parts, which are suitable for demanding engineering applications. This handbook emphasizes the various types of post-processing technologies that can effectively eliminate the inferiorities of additively manufactured components. It also provides a collection of key principles, literature, methodologies, experimental results, case studies, and theoretical aspects of the different types of postprocessing techniques, along with different classes of materials and end-applications. This book is an ideal reference for libraries and post-graduate courses as well as the professional market, including, but not limited to manufacturing, mechanical and industrial engineering, and materials science.
Book Synopsis Advanced Engineering Optimization Through Intelligent Techniques by : Ravipudi Venkata Rao
Download or read book Advanced Engineering Optimization Through Intelligent Techniques written by Ravipudi Venkata Rao and published by Springer Nature. This book was released on with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Industrializing Additive Manufacturing by : Mirko Meboldt
Download or read book Industrializing Additive Manufacturing written by Mirko Meboldt and published by Springer Nature. This book was released on 2020-09-01 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of the Additive Manufacturing in Product Development Conference. The content focus on how to support real-world value chains by developing additive manufactured series products.
Book Synopsis The 6th Mechanical Engineering, Science and Technology (MEST 2022) International Conference by : Taurista Perdana Syawitri
Download or read book The 6th Mechanical Engineering, Science and Technology (MEST 2022) International Conference written by Taurista Perdana Syawitri and published by Springer Nature. This book was released on 2023-04-16 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an open access book. MEST2022 invites all potential authors from universities and various organisations to submit papers in the area of mechanical, manufacturing, materials sciences and related interdisciplinary engineering fields. This conference is part of a conference program called International Summit on Science Technology and Humanity (ISETH) 2022 Organized by Universitas Muhammadiyah Surakarta. The 6th Mechanical Engineering, Science and Technology (MEST2022) International conference is an annual the Mechanical Department of Universitas Muhammadiyah Surakarta event. All possible writers from universities and other organizations are invited to submit papers. The conference is a forum for academic exchange that provides a prompt presentation of articles on experimental, numerical, and theoretical studies that shed light on the critical topics of mechanical, thermal, fluid, and aerothermodynamics internal flow, heat and mass transfer, multiphase flow, turbulence modelling, combustion, engineering thermodynamics, thermophysical properties of matter, measurement, and visualization techniques. Contributions range from intriguing and significant research immediately applicable to industry development or practice to high-level student textbooks, explanations, distribution of technology, and good practice.
Book Synopsis Advances in 3D Printing & Additive Manufacturing Technologies by : David Ian Wimpenny
Download or read book Advances in 3D Printing & Additive Manufacturing Technologies written by David Ian Wimpenny and published by Springer. This book was released on 2016-08-23 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited volume comprises select chapters on advanced technologies for 3D printing and additive manufacturing and how these technologies have changed the face of direct, digital technologies for rapid production of models, prototypes and patterns. Because of its wide applications, 3D printing and additive manufacturing technology has become a powerful new industrial revolution in the field of manufacturing. The evolution of 3D printing and additive manufacturing technologies has changed design, engineering and manufacturing processes across industries such as consumer products, aerospace, medical devices and automotives. The objective of this book is to help designers, R&D personnel, and practicing engineers understand the state-of-the-art developments in the field of 3D Printing and Additive Manufacturing.
Book Synopsis Fundamentals of Orthopedic Design with Non-parametric Optimization by : Musaddiq Al Ali
Download or read book Fundamentals of Orthopedic Design with Non-parametric Optimization written by Musaddiq Al Ali and published by Springer Nature. This book was released on with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Additive Manufacturing for Biocomposites and Synthetic Composites by : M. T. Mastura
Download or read book Additive Manufacturing for Biocomposites and Synthetic Composites written by M. T. Mastura and published by CRC Press. This book was released on 2023-12-27 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additive Manufacturing for Bio-Composites and Synthetic Composites focuses on processes, engineering, and product design applications of bio-composites and synthetic composites in additive manufacturing (AM). It discusses the preparation and material characterization and selection, as well as future opportunities and challenges. Reviews the latest research on the development of composites for AM and the preparation of composite feedstocks. Offers an analytical and statistical approach for the selection of composites for AM, including characterization of material properties. Emphasizes the use of environmentally friendly composites. Analyzes the lifecycle including costs. Considers potential new fibers, their selection, and future applications. This book provides a comprehensive overview of the application of advanced composite materials in AM and is aimed at researchers, engineers, and advanced students in materials and manufacturing engineering and related disciplines.
Book Synopsis Design and Management of Manufacturing Systems by : Arkadiusz Gola
Download or read book Design and Management of Manufacturing Systems written by Arkadiusz Gola and published by MDPI. This book was released on 2021-09-02 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the design and management of manufacturing systems have been explored in the literature for many years now, they still remain topical problems in the current scientific research. The changing market trends, globalization, the constant pressure to reduce production costs, and technical and technological progress make it necessary to search for new manufacturing methods and ways of organizing them, and to modify manufacturing system design paradigms. This book presents current research in different areas connected with the design and management of manufacturing systems and covers such subject areas as: methods supporting the design of manufacturing systems, methods of improving maintenance processes in companies, the design and improvement of manufacturing processes, the control of production processes in modern manufacturing systems production methods and techniques used in modern manufacturing systems and environmental aspects of production and their impact on the design and management of manufacturing systems. The wide range of research findings reported in this book confirms that the design of manufacturing systems is a complex problem and that the achievement of goals set for modern manufacturing systems requires interdisciplinary knowledge and the simultaneous design of the product, process and system, as well as the knowledge of modern manufacturing and organizational methods and techniques.
Book Synopsis Hot work tool steel in laser powder bed fusion: from parameter optimization to quality monitoring in industrial application by : Liang Wu
Download or read book Hot work tool steel in laser powder bed fusion: from parameter optimization to quality monitoring in industrial application written by Liang Wu and published by BoD – Books on Demand. This book was released on 2024-01-01 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation thesis focuses on applying the powder bed fusion with laser beam (PBF-LB) technology on hot work steel. It aims at achieving comparable properties with the products from the traditional manufacturing route. Using the reference powder H13, the influence of various factors, i.e., laser settings (such as laser power and scan speed) and machine settings (such as preheating) on the melting pool morphology and printing defects, is intensively investigated to check the feasibility of printing H13 components through PBF-LB technology and finally optimize the fabrication parameters for high-quality printing in lab-scale size. Furthermore, the consecutive research on the impact of the post-treatment, machine sensitivity, and powder condition provides a basis for scaling up the process and offers industrially usable products with adequate properties. Furthermore, after assessing the defects during the investigation, the classification of the defects deepens the understanding of the material-laser interaction. The mechanism for stress-lead cracks can guide the development of new types of material applied to the PBF-LB process, especially carbon-bearing steel. Finally, based on the mechanism of defect generation, the principle of the real-time defect-based monitoring system is proposed. After recognizing defects and assembling discrete points, the digital twin is established from various monitoring signals, which can be applied for on-time quality assurance without destructive testing.
Book Synopsis Additive Manufacturing Technologies From an Optimization Perspective by : Kumar, Kaushik
Download or read book Additive Manufacturing Technologies From an Optimization Perspective written by Kumar, Kaushik and published by IGI Global. This book was released on 2019-06-28 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this technology-driven era, conventional manufacturing is increasingly at risk of reaching its limit, and a more design-driven manufacturing process, additive manufacturing, might just hold the key to innovation. Offering a higher degree of design freedom, the optimization and integration of functional features, and the manufacturing of small batch sizes, additive manufacturing is changing industry as we know it. Additive Manufacturing Technologies From an Optimization Perspective is a critical reference source that provides a unified platform for the dissemination of basic and applied knowledge about additive manufacturing. It carefully examines how additive manufacturing is increasingly being used in series production, giving those in the most varied sectors of industry the opportunity to create a distinctive profile for themselves based on new customer benefits, cost-saving potential, and the ability to meet sustainability goals. Highlighting topics such as bio-printing, tensile strength, and cell printing, this book is ideally designed for academicians, students, engineers, scientists, software developers, architects, entrepreneurs, and medical professionals interested in advancements in next-generation manufacturing.
