Download or read book Surface Grinding of Intermetallic Titanium Aluminides written by Holger Andreas Gröning and published by Apprimus Wissenschaftsverlag. This book was released on 2014-12-22 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: A deductive kinematic model of creep-feed and speed-stroke grinding processes is developed to identify possibilities to reduce the energy introduced into the workpiece. By computer tomography analysis and tactile measurements of the grinding wheel the pore volume and the static cutting edge number are determined and included in the model. Based on the kinematic model and the grinding wheel characteristics an analytical evaluation of the specific grinding energy for speed-stroke and creep-feed grinding is carried out. The deducted process design is evaluated in experimental investigations. The generated model is evaluated by determining specific process values for the grinding forces and the grinding energy.

Download or read book Surface Integrity on Grinding of Gamma Titanium Aluminide Intermetallic Compounds written by Gregorio Roberto Murtagian and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Gamma-TiAl is an ordered intermetallic compound characterized by high strength to density ratio, good oxidation resistance, and good creep properties at elevated temperatures. However, it is intrinsically brittle at room temperature. This thesis investigates the potential for the use of grinding to process TiAl into useful shapes. Grinding is far from completely understood, and many aspects of the individual mechanical interactions of the abrasive grit with the material and their effect on surface integrity are unknown. The development of new synthetic diamond superabrasives in which shape and size can be controlled raises the question of the influence of those variables on the surface integrity. The goal of this work is to better understand the fundamentals of the abrasive grit/material interaction in grinding operations. Experimental, analytical, and numerical work was done to characterize and predict the resultant deformation and surface integrity on ground lamellar gamma-TiAl. Grinding tests were carried out, by analyzing the effects of grit size and shape, workpiece speed, wheel depth of cut, and wear on the subsurface plastic deformation depth (PDD). A practical method to assess the PDD is introduced based on the measurement of the lateral material flow by 3D non-contact surface profilometry. This method combines the quantitative capabilities of the microhardness measurement with the sensitivity of Nomarski microscopy. The scope and limitations of this technique are analyzed. Mechanical properties were obtained by quasi-static and split Hopkinson bar compression tests. Residual stress plots were obtained by x-ray, and surface roughness and cracking were evaluated. The abrasive grit/material interaction was accounted by modeling the force per abrasive grit for different grinding conditions, and studying its correlation to the PDD. Numerical models of this interaction were used to analyze boundary conditions, and abrasive size effects on the PDD. An explicit 2D triple planar slip crystal plasticity model of single point scratching was used to analyze the effects of lamellae orientation, material anisotropy, and grain boundaries on the deformation.

Download or read book Modern Trends in Materials Processing written by Sergey Bratan and published by Trans Tech Publications Ltd. This book was released on 2022-02-15 with total page 1184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected peer-reviewed full text papers from the 5th International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2021)

Download or read book Manufacturing Processes 2 written by Fritz Klocke and published by Springer Science & Business Media. This book was released on 2009-04-21 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The future of manufacturing companies depends largely on their ability to adapt to swiftly changing global conditions. These are exemplified by international com- tition, rapidly growing intercommunication and the increased significance of en- ronmental issues [KLOC98a, ENGE02]. Precision machining with geometrically undefined cutting edges represents a key production engineering technology with high efficiency, security and machining quality. DIN norm 8589 subsumes within the group “machining with geometrically - defined cutting edges” the following material removal manufacturing processes: grinding, honing, lapping, free abrasive grinding and abrasive blast cutting. - chining is carried out in these production methods by means of more or less - regularly formed grains composed of hard substances brought into contact with the material. Of all methods understood as machining with geometrically undefined cutting edges, only grinding, honing and lapping can, strictly speaking, be considered p- cision machining. Free abrasive grinding and abrasive blast cutting, also treated in this book, represent a special group, as they generally cannot bring about geom- rical change in the material.

Download or read book Machining Recent Advances Applications and Challenges written by Luis Norberto L´opez de Lacalle and published by MDPI. This book was released on 2019-08-26 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Special Issue Machining—Recent Advances, Applications and Challenges is intended as a humble collection of some of the hottest topics in machining. The manufacturing industry is a varying and challenging environment where new advances emerge from one day to another. In recent years, new manufacturing procedures have retained increasing attention from the industrial and scientific community. However, machining still remains the key operation to achieve high productivity and precision for high-added value parts. Continuous research is performed, and new ideas are constantly considered. This Special Issue summarizes selected high-quality papers which were submitted, peer-reviewed, and recommended by experts. It covers some (but not only) of the following topics: High performance operations for difficult-to-cut alloys, wrought and cast materials, light alloys, ceramics, etc.; Cutting tools, grades, substrates and coatings. Wear damage; Advanced cooling in machining: Minimum quantity of lubricant, dry or cryogenics; Modelling, focused on the reduction of risks, the process outcome, and to maintain surface integrity; Vibration problems in machines: Active and passive/predictive methods, sources, diagnosis and avoidance; Influence of machining in new concepts of machine–tool, and machine static and dynamic behaviors; Machinability of new composites, brittle and emerging materials; Assisted machining processes by high-pressure, laser, US, and others; Introduction of new analytics and decision making into machining programming. We wish to thank the reviewers and staff from Materials for their comments, advice, suggestions and invaluable support during the development of this Special Issue.

Download or read book Thermal Effects on Subsurface Damage During the Surface Grinding of Titanium Aluminide written by Wesley Lloyd Stone and published by . This book was released on 2003 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Encyclopedia and Handbook of Materials Parts and Finishes written by Mel Schwartz and published by CRC Press. This book was released on 2016-07-06 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt: A great deal of progress has been made in the development of materials, their application to structures, and their adaptation to a variety of systems and integrated across a wide range of industrial applications. This encyclopedia serves the rapidly expanding demand for information on technological developments. In addition to providing information

Download or read book ASM Materials Engineering Dictionary written by Joseph R. Davis and published by ASM International. This book was released on 1992-01-01 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 10,000 entries (arranged from A to Z) are supplemeted by hundreds of figures (approximately 700) & tables (more than 150) that clearly demonstrate the principles & concepts behind important manufacturing processes, illustrate the important structures, or provide representative compositional & property data for a wide variety of ferrous & nonferrous materials, plastics, ceramics, composites (resin-metal-carbon-&-cermaic-matrix) & adhesives. "Technical Briefs" provide encyclopedic-type coverage for some 64 key material groups. Each Technical Brief contains a "Recommended Reading" list to guide the user to additional information. Published by ASM International (tm), Materials Park, OH 44073.

Download or read book High Temperature Deformation Behavior of Intermetallic Titanium and Iron Aluminides Produced by Spark Plasma Sintering written by Aliakbar Emdadi and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A TEM study of defect microstructures in the intermetallic titanium aluminides TiAl and 2 Ti 3Al written by J. M. K. Wiezorek and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Tribology and Applications of Self Lubricating Materials written by Emad Omrani and published by CRC Press. This book was released on 2017-11-06 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tribology and Applications of Self-Lubricating Materials provides insight into the complex mechanisms behind the development of self-lubricating materials, which due to their ability to transfer embedded solid lubricants to the contact surface to decrease wear rate and friction in the absence of an external lubricant, make up an important part of engineering materials used today. This book emphasizes an understanding of the tribological nature of different composites such as metal, polymer, and ceramic matrix composites and discusses the compatibility of these composites with specific lubricants. The book also offers a view of advancements in the development of self-lubricating mechanisms and covers the latest technologies in the field.

Download or read book Proceedings of the 33rd International MATADOR Conference written by David R. Hayhurst and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: by Conference Chairman n1 It is my pleasure to introduce this volume of Proceedings for the 33 MATADOR Conference. The Proceedings include 83 refereed papers submitted from 19 countries on 4 continents. 00 The spread of papers in this volume reflects four developments since the 32 MATADOR Conference in 1997: (i) the power of information technology to integrate the management and control of manufacturing systems; (ii) international manufacturing enterprises; (iii) the use of computers to integrate different aspects of manufacturing technology; and, (iv) new manufacturing technologies. New developments in the manufacturing systems area are globalisation and the use of the Web to achieve virtual enterprises. In manufacturing technology the potential of the following processes is being realised: rapid proto typing, laser processing, high-speed machining, and high-speed machine tool design. And, at the same time in the area of controls and automation, the flexibility and integration ability of open architecture computer controllers are creating a wide range of opportunities for novel solutions. Up-to-date research results in these and other areas are presented in this volume. The Proceedings reflect the truly international nature of this Conference and the way in which original research results are both collected and disseminated. The volume does not, however, record the rich debate and extensive scientific discussion which took place during the Conference. I trust that you will find this volume to be a permanent record of some of the research carried out in the last two years; and.

Download or read book Numerical Modelling and Simulation of Metal Processing written by Christof Sommitsch and published by MDPI. This book was released on 2021-08-16 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with metal processing and its numerical modelling and simulation. In total, 21 papers from different distinguished authors have been compiled in this area. Various processes are addressed, including solidification, TIG welding, additive manufacturing, hot and cold rolling, deep drawing, pipe deformation, and galvanizing. Material models are developed at different length scales from atomistic simulation to finite element analysis in order to describe the evolution and behavior of materials during thermal and thermomechanical treatment. Materials under consideration are carbon, Q&T, DP, and stainless steels; ductile iron; and aluminum, nickel-based, and titanium alloys. The developed models and simulations shall help to predict structure evolution, damage, and service behavior of advanced materials.

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Download or read book Advances in Grinding and Abrasive Processes written by Xipeng Xu and published by . This book was released on 2004 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclear Science Abstracts written by and published by . This book was released on with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Titanium and Titanium Alloys written by Christoph Leyens and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is an excellent reference for materials scientists and engineers needing to gain more knowledge about these engineering materials. Following introductory chapters on the fundamental materials properties of titanium, readers will find comprehensive descriptions of the development, processing and properties of modern titanium alloys. There then follows detailed discussion of the applications of titanium and its alloys in aerospace, medicine, energy and automotive technology.