Download or read book Failure Analysis of Biometals written by Reza H Oskouei and published by MDPI. This book was released on 2020-12-10 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metallic biomaterials (biometals) are widely used for the manufacture of medical implants, ranging from load-bearing orthopaedic prostheses to dental and cardiovascular implants, because of their favourable combination of properties, including high strength, fracture toughness, biocompatibility, and wear and corrosion resistance. Owing to the significant consequences of implant material failure/degradation, in terms of both personal and financial burden, failure analysis of biometals has always been of paramount importance in order to understand the failure mechanisms and implement suitable solutions with the aim to improve the longevity of implants in the body. Failure Analysis of Biometals presents some of the latest developments and findings in this area. This includes a great range of common metallic biomaterials (Ti alloys, CoCrMo alloys, Mg alloys, and NiTi alloys) and their associated failure mechanisms (corrosion, fatigue, fracture, and fretting wear) that commonly occur in medical implants and surgical instruments.

Download or read book Electron Beam Melting of Metastable Austenitic Stainless Steel written by Johannes Günther and published by BoD – Books on Demand. This book was released on 2020-01-01 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary focus of this work is the processing – microstructure – property correlation of EBM manufactured high-alloyed austenitic CrMnNi stainless steel. Independent of the applied process parameters, to this point this alloy exhibits a fine-grained and weak textured microstructure in the as-built state upon EBM processing. As detailed in the literature review, this is opposite to numerous alloys like the benchmark AISI 316L stainless steel, which are commonly characterized by epitaxial growth of columnar grains elongated parallel to building direction. A theory for this unusual observation is presented based on a grain refinement due the process-inherent cyclic heat-treatment, i.e. repetitive reheating and partial melting of the consolidated material due to the energy input during melting of subsequent layers and resulting solid-liquid as well as solid-solid (ferritic bcc to austenitic fcc phase and vice versa) phase transformations. A calculation of the phase diagram, differential thermal II Abstract analysis and the investigation of the uppermost layers of bulky and thin-walled EBM processed structures are conducted to support this assumption. Moreover, the CrMnNi stainless steel specimens are characterized by an outstanding damage tolerance, which is demonstrated by tensile testing and examination of the fracture surfaces revealing large lack-of-fusion defects due to unsuitable process parameters. Combined EBSD and X-ray diffraction analysis attribute the high damage tolerance to a pronounced strain hardening and mitigation of the effect of defects due to the transformation-induced plasticity (TRIP) effect. The deformation-induced martensitic transformation and associated strain hardening has also been correlated to a considerable low-cycle fatigue performance even under the presence of large inhomogeneities. The chemical composition of the alloy upon EBM processing is strongly dependent on the process parameters, i.e. it is demonstrated that the evaporation rate of Mn varies with the scan strategy and volumetric energy density. This phenomenon is utilized for the fabrication of homogeneous specimens with different Mn concentrations and resulting mechanical properties.These findings are subsequently employed for a prove-of-concept of the possibility to produce functionally graded material by a spatial adjustment of the scan strategy throughout the layer-wise built-up of objects. This is a novel approach for the synthetization of functionally graded materials based on the processing of one homogenous precursor powder feedstock. In summary, the particular CrMnNi stainless steel is introduced as a novel alloy design for AM because it addresses current material-related issues inherent in layer-wise technologies and potentially further contributes to the exploitation of the full potential of AM.

Download or read book Proceedings of the Third International Conference on Theoretical Applied and Experimental Mechanics written by Emmanuel Gdoutos and published by Springer Nature. This book was released on 2020-05-18 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 3rd edition of the International Conference on Theoretical, Applied and Experimental Mechanics. The papers focus on all aspects of theoretical, applied and experimental mechanics, including biomechanics, composite materials, computational mechanics, constitutive modeling of materials, dynamics, elasticity, experimental mechanics, fracture mechanics, mechanical properties of materials, micromechanics, nanomechanics, plasticity, stress analysis, structures, wave propagation.

Download or read book Multiscale Modeling of Additively Manufactured Metals written by Yi Zhang and published by Elsevier. This book was released on 2020-06-29 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiscale Modeling of Additively Manufactured Metals: Application to Laser Powder Bed Fusion Process provides comprehensive coverage on the latest methodology in additive manufacturing (AM) modeling and simulation. Although there are extensive advances within the AM field, challenges to predictive theoretical and computational approaches still hinder the widespread adoption of AM. The book reviews metal additive materials and processes and discusses multiscale/multiphysics modeling strategies. In addition, coverage of modeling and simulation of AM process in order to understand the process-structure-property relationship is reviewed, along with the modeling of morphology evolution, phase transformation, and defect formation in AM parts. Residual stress, distortion, plasticity/damage in AM parts are also considered, with scales associated with the spatial, temporal and/or material domains reviewed. This book is useful for graduate students, engineers and professionals working on AM materials, equipment, process, development and modeling. - Includes the fundamental principles of additive manufacturing modeling techniques - Presents various modeling tools/software for AM modeling - Discusses various design methods and how to optimize the AM process using these models

Download or read book Hot Isostatic Pressing written by Pranesh Dayal and published by Materials Research Forum LLC. This book was released on 2019-03-15 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hot Isostatic Pressing (HIP) has important applications in advanced materials manufacturing, automotive, aerospace, oil and gas industries, power generation, and medical and nuclear fields. The symposium focused on HIP applications in such areas as material optimization, radioactive nuclear waste, cast aluminum alloys, ceramic materials, superalloys, manufacturing of turbine blisks, densification of additive manufactured parts, diffusion welding of dissimilar metals and alloys, heat treatment inside the HIP unit, turbopump components, improved tooling materials, valve spindles for engines, Ni-base superalloys, titanium aluminide, stainless steels, metal matrix composites, phase transformations, uniform load cooling equipment, duplex steel, diamond/SiC composites, large hot zone units, additive manufacturing, efficient modeling, reactor vessel fabrication, electron beam welding, superconducting magnet structures.

Download or read book Innovative Processes and Materials in Additive Manufacturing written by Sunpreet Singh and published by Woodhead Publishing. This book was released on 2022-09-06 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Innovative Processes and Materials in Additive Manufacturing explains game-changing interdisciplinary applications of recent research breakthroughs in additive manufacturing technology. The number of research publications addressing additive manufacturing has soared in recent years as a range of disciplines explore the possibilities that this technology can provide. This book acts as a bridge between this high-level research and the large number of academics and practitioners looking to additive manufacturing for innovative solutions, providing them with practical and approachable information. Applications in aerospace, automotive, medical, construction, and food industries are addressed, featuring technical details that will help successful implementation. This unique book also provides broad coverage of the theory behind this emerging technology, including material development, as well as the technical details required for readers to investigate the novel applications of the involved methods for themselves. - Includes case studies from the aerospace, construction and medical industries - Features innovations in the integration of additive manufacturing processes with other manufacturing technologies - Identifies exciting routes for future research and application areas of additive manufacturing

Download or read book Fundamentals of Laser Powder Bed Fusion of Metals written by Igor Yadroitsev and published by Elsevier. This book was released on 2021-05-23 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser powder bed fusion of metals is a technology that makes use of a laser beam to selectively melt metal powder layer-by-layer in order to fabricate complex geometries in high performance materials. The technology is currently transforming aerospace and biomedical manufacturing and its adoption is widening into other industries as well, including automotive, energy, and traditional manufacturing. With an increase in design freedom brought to bear by additive manufacturing, new opportunities are emerging for designs not possible previously and in material systems that now provide sufficient performance to be qualified in end-use mission-critical applications. After decades of research and development, laser powder bed fusion is now enabling a new era of digitally driven manufacturing. Fundamentals of Laser Powder Bed Fusion of Metals will provide the fundamental principles in a broad range of topics relating to metal laser powder bed fusion. The target audience includes new users, focusing on graduate and undergraduate students; however, this book can also serve as a reference for experienced users as well, including senior researchers and engineers in industry. The current best practices are discussed in detail, as well as the limitations, challenges, and potential research and commercial opportunities moving forward. - Presents laser powder bed fusion fundamentals, as well as their inherent challenges - Provides an up-to-date summary of this advancing technology and its potential - Provides a comprehensive textbook for universities, as well as a reference for industry - Acts as quick-reference guide

Download or read book Post processing Techniques for Additive Manufacturing written by Zafar Alam and published by CRC Press. This book was released on 2023-07-21 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text defines and covers different themes of post-processing techniques based on mechanical, chemical/electrochemical, and thermal energy. It will serve as an ideal reference text for senior undergraduate and graduate students in diverse engineering fields including manufacturing, industrial, aerospace, and mechanical. This book: covers the fundamentals and advancements in the post-processing techniques for additive manufacturing; explores methods/techniques for post-processing different types of materials used in additive manufacturing processes; gives insight into the process selection criteria for post-processing of additive manufactured products made from different types of materials; discusses hybrid processes used for post-processing of additive manufacturing parts; and highlights post-processing techniques for properties enhancement. The primary aim of the book is to give the readers a well-informed layout of the different post-processing techniques that range from employing mechanical energy to chemical, electrochemical, and thermal energy to perform the intended task.

Download or read book Thermo Mechanical Modeling of Additive Manufacturing written by Michael Gouge and published by Butterworth-Heinemann. This book was released on 2017-08-03 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermo-mechanical Modeling of Additive Manufacturing provides the background, methodology and description of modeling techniques to enable the reader to perform their own accurate and reliable simulations of any additive process. Part I provides an in depth introduction to the fundamentals of additive manufacturing modeling, a description of adaptive mesh strategies, a thorough description of thermal losses and a discussion of residual stress and distortion. Part II applies the engineering fundamentals to direct energy deposition processes including laser cladding, LENS builds, large electron beam parts and an exploration of residual stress and deformation mitigation strategies. Part III concerns the thermo-mechanical modeling of powder bed processes with a description of the heat input model, classical thermo-mechanical modeling, and part scale modeling. The book serves as an essential reference for engineers and technicians in both industry and academia, performing both research and full-scale production. Additive manufacturing processes are revolutionizing production throughout industry. These technologies enable the cost-effective manufacture of small lot parts, rapid repair of damaged components and construction of previously impossible-to-produce geometries. However, the large thermal gradients inherent in these processes incur large residual stresses and mechanical distortion, which can push the finished component out of engineering tolerance. Costly trial-and-error methods are commonly used for failure mitigation. Finite element modeling provides a compelling alternative, allowing for the prediction of residual stresses and distortion, and thus a tool to investigate methods of failure mitigation prior to building. - Provides understanding of important components in the finite element modeling of additive manufacturing processes necessary to obtain accurate results - Offers a deeper understanding of how the thermal gradients inherent in additive manufacturing induce distortion and residual stresses, and how to mitigate these undesirable phenomena - Includes a set of strategies for the modeler to improve computational efficiency when simulating various additive manufacturing processes - Serves as an essential reference for engineers and technicians in both industry and academia

Download or read book Quality Analysis of Additively Manufactured Metals written by Javad Kadkhodapour and published by Elsevier. This book was released on 2022-11-30 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quality Analysis of Additively Manufactured Metals: Simulation Approaches, Processes, and Microstructure Properties provides readers with a firm understanding of the failure and fatigue processes of additively manufactured metals. With a focus on computational methods, the book analyzes the process-microstructure-property relationship of these metals and how it affects their quality while also providing numerical, analytical, and experimental data for material design and investigation optimization. It outlines basic additive manufacturing processes for metals, strategies for modeling the microstructural features of metals and how these features differ based on the manufacturing process, and more.Improvement of additively manufactured metals through predictive simulation methods and microdamage and micro-failure in quasi-static and cyclic loading scenarios are covered, as are topology optimization methods and residual stress analysis techniques. The book concludes with a section featuring case studies looking at additively manufactured metals in automotive, biomedical and aerospace settings. - Provides insights and outlines techniques for analyzing why additively manufactured metals fail and strategies for avoiding those failures - Defines key terms and concepts related to the failure analysis, quality assurance and optimization processes of additively manufactured metals - Includes simulation results, experimental data and case studies

Download or read book Additive Manufacturing of High Performance Metallic Materials written by Robert Pederson and published by Elsevier. This book was released on 2023-09-19 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additive Manufacturing of High-Performance Metallic Materials outlines the state-of-the-art on AM in high performance materials utilizing the two most industrially interesting routes of powder bed fusion (PBF) and directed energy deposition (DED). The book delves into Feedstock, Processing, Monitoring and control, Modeling and simulation, and Surface and thermal post-treatments. It specifically addresses materials and the most relevant and high performance applications, namely Ni-based alloys and Titanium alloys, and also provides insights into potential applications through illustrative case studies. With each chapter contributed by experts in the field, this work will serve as a comprehensive resource for graduate students and practitioners alike. - Covers the entire value chain relevant to additive manufacturing spanning feedstock, processing, monitoring, post-treatment, testing and applications - Includes the fundamental understanding of varied associated aspects derived from both extensive experimental knowledge and theoretical investigations - Addresses key materials relevant to varied high performance applications, namely Superalloys and Ni-based alloys

Download or read book Handbook of Non Ferrous Metal Powders written by Oleg D Neikov and published by Elsevier. This book was released on 2018-11-30 with total page 998 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Non-Ferrous Metal Powders: Technologies and Applications, Second Edition, provides information on the manufacture and use of powders of non-ferrous metals that has taken place for many years in the area previously known as Soviet Russia. It presents the huge amount of knowledge and experience that has built up over the last fifty years. Originally published in Russia by several prominent scientists, researchers and engineers, this presents an update to the first book that includes sections on classification, properties, treatment methods and production. This updated edition contains new content on the powders, along with newer methods of 3D printing. - Covers the manufacturing methods, properties and importance of the following metals: aluminum, titanium, magnesium, copper, nickel, cobalt, zinc, cadmium, noble metals, rare earth metals, lead, tin and bismuth - Includes new content on recent advances, such as additive manufacturing and 3D printing of non-ferrous metal alloys and specific powders for advanced techniques, including metal injection molding technologies - Expands on topics such as safety engineering in the production of powders and advanced areas of engineering research, such as nanopowder processes

Download or read book Oxide Dispersion Strengthened Refractory Alloys written by Anshuman Patra and published by CRC Press. This book was released on 2022-05-12 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Refractory metals such as W, Mo, Ta, Nb, and Re have immense potential for application in plasma-facing materials in nuclear reactors, defense materials, aviation counterweights, heating elements in furnaces, and so forth. This book presents a wide perspective of oxide dispersion strengthened refractory alloys fabrication and critical properties. It provides a comprehensive road map for an appropriate basis for alloy design, process parameter selection, fabrication route, and deformation behavior for oxide dispersion strengthened refractory alloys. It further covers achievement of application-oriented properties and critical process-regulating parameters for development of sustainable materials. Features: Covers development of oxide dispersion strengthened sustainable material to withstand high-temperature environments Describes stimulating application-oriented final mechanical properties Illustrates fabrication of alloys through effective route to achieve desired properties Presents in-depth explanation of deformation behavior at ambient and high temperatures Explores critical applications of the alloys in nuclear reactors, defense, and aviation sectors Oxide Dispersion Strengthened Refractory Alloys will be of interest to graduate students and researchers in high-temperature materials, mechanics, metallurgy, powder metallurgy, and physical metallurgy.

Download or read book TMS 2022 151st Annual Meeting Exhibition Supplemental Proceedings written by The Minerals, Metals & Materials Society and published by Springer Nature. This book was released on 2022-03-11 with total page 1597 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection presents papers from the 151st Annual Meeting & Exhibition of The Minerals, Metals & Materials Society.

Download or read book Modern Manufacturing Processes for Aircraft Materials written by Selim Gurgen and published by Elsevier. This book was released on 2023-11-03 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approx.530 pages - Provides detailed explanation of modern manufacturing processes used in the aircraft industry - Covers additive manufacturing both for polymeric and metallic materials, electrical discharge machining, laser welding, electron-beam welding, and micro-machining - Explains manufacturing operations for not only metallic materials but also polymers and composites

Download or read book Additive Manufacturing Solutions written by Sanjay Kumar and published by Springer Nature. This book was released on 2021-09-19 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves as an accelerated learning tool for students of Additive Manufacturing. The author presents key aspects of the subject in the form of questions and answers, so learners in a variety of contexts can find answers quickly to their specific question. Solutions to a variety of current, challenging problems are presented, clarified with examples, illustrations and copious references for more thorough investigation of the specific topic. Offers a unique, accelerated learning tool for students of Additive Manufacturing, presenting the subject in the form of questions and answers; Provides solutions to today’s challenging problems in additive manufacturing, using examples, illustrations and references; Includes coverage of various aspects of additive manufacturing, such as materials, design, applications, post-process and digital manufacturing.

Download or read book Titanium in Medical and Dental Applications written by Francis Froes and published by Woodhead Publishing. This book was released on 2018-05-09 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Titanium in Medical and Dental Applications is an essential reference book for those involved in biomedical materials and advanced metals. Written by well-known experts in the field, it covers a broad array of titanium uses, including implants, instruments, devices, the manufacturing processes used to create them, their properties, corrosion resistance and various fabrication approaches. Biomedical titanium materials are a critically important part of biomaterials, especially in cases where non-metallic biomedical materials are not suited to applications, such as the case of load-bearing implants. The book also covers the use of titanium for implants in the medical and dental fields and reviews the use of titanium for medical instruments and devices. - Provides an understanding of the essential and broad applications of Titanium in both the medical and dental industries - Discusses the pathways to manufacturing titanium into critical biomedical and dental devices - Includes insights into further applications within the industry