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Author : Candonino P. Franche
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (64 download)
Download or read book Determination of GTA Welding Efficiencies written by Candonino P. Franche and published by . This book was released on 1993 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. R. Gamwell
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (317 download)
Download or read book An Evaluation of GTAW-P Versus GTA Welding of Alloy written by W. R. Gamwell and published by . This book was released on 1991 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jaykumar Vora
Publisher : CRC Press
ISBN 13 : 1351234811
Total Pages : 289 pages
Book Rating : 4.3/5 (512 download)
Download or read book Advances in Welding Technologies for Process Development written by Jaykumar Vora and published by CRC Press. This book was released on 2019-02-22 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within manufacturing, welding is by far the most widely used fabrication method used for production, leading to a rise in research and development activities pertaining to the welding and joining of different, similar, and dissimilar combinations of the metals. This book addresses recent advances in various welding processes across the domain, including arc welding and solid-state welding process, as well as experimental processes. The content is structured to update readers about the working principle, predicaments in existing process, innovations to overcome these problems, and direct industrial and practical applications. Key Features: Describes recent developments in welding technology, engineering, and science Discusses advanced computational techniques for procedure development Reviews recent trends of implementing DOE and meta-heuristics optimization techniques for setting accurate parameters Addresses related theoretical, practical, and industrial aspects Includes all the aspects of welding, such as arc welding, solid state welding, and weld overlay
Author : Muh Jung Lu
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (89 download)
Download or read book Experimental Investigation of Heat Sources in GTA and GMA Welding Processes written by Muh Jung Lu and published by . This book was released on 1988 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D.L. Olson
Publisher : Elsevier
ISBN 13 : 0444596380
Total Pages : 402 pages
Book Rating : 4.4/5 (445 download)
Download or read book Welding: Theory and Practice written by D.L. Olson and published by Elsevier. This book was released on 2012-12-02 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume gives a comprehensive and thorough review on recent advances in the science of welding and provides a treatise for their application in day-to-day welding activities. The essential science of welding is presented for the first time in a style that is comprehensible to the craftsman, engineer and scientist. The application of welding technology requires familiarity with a broad spectrum of engineering and science. The practitioners of this technology need to be familiar with mathematics, physics, chemistry, metallurgy, electrical engineering, and mechanical engineering to mention the basics. These practitioners may only have a scant knowledge in all areas, and this book is intended to provide those practising welding with a broad but subtly in-depth overview of the subject. To accomplish this the book is divided into: weld pool chemistry and microstructure, processes: high energy density; low energy density; and bonding, heat input and associated stress, and computer control. Each of these areas addresses the literature, the fundamental science and engineering, and where the technology stands with respect to the topic. The knowledge level anticipated is not that of a senior engineer or researcher, although they could enjoy the works as much as anyone, but is more designed for those involved in the daily practise of welding. Thus the book will be of interest to craftsmen, students, engineers, researchers, managers, and those interested in the Theory and Practice of welding.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722066239
Total Pages : 24 pages
Book Rating : 4.0/5 (662 download)
Download or read book An Evaluation of Gtaw-P Versus GTA Welding of Alloy 718 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-30 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical properties were evaluated to determine statistically whether the pulsed current gas tungsten arc welding (GTAW-P) process produces welds in alloy 718 with room temperature structural performance equivalent to current Space Shuttle Main Engine (SSME) welds manufactured by the constant current GTAW-P process. Evaluations were conducted on two base metal lots, two filler metal lots, two heat input levels, and two welding processes. The material form was 0.125-inch (3.175-mm) alloy 718 sheet. Prior to welding, sheets were treated to either the ST or STA-1 condition. After welding, panels were left as welded or heat treated to the STA-1 condition, and weld beads were left intact or machined flush. Statistical analyses were performed on yield strength, ultimate tensile strength (UTS), and high cycle fatigue (HCF) properties for all the post welded material conditions. Analyses of variance were performed on the data to determine if there were any significant effects on UTS or HCF life due to variations in base metal, filler metal, heat input level, or welding process. Statistical analyses showed that the GTAW-P process does produce welds with room temperature structural performance equivalent to current SSME welds manufactured by the GTAW process, regardless of prior material condition or post welding condition. Gamwell, W. R. and Kurgan, C. and Malone, T. W. Marshall Space Flight Center ...
Author :
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.3/5 (91 download)
Download or read book NIST Special Publication written by and published by . This book was released on 2002 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1794 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1794 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Author : Victor A. Karkhin
Publisher : Springer
ISBN 13 : 9811359652
Total Pages : 478 pages
Book Rating : 4.8/5 (113 download)
Download or read book Thermal Processes in Welding written by Victor A. Karkhin and published by Springer. This book was released on 2019-05-15 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes and systemizes analytical and numerical solutions for a broad range of instantaneous and continuous, stationary and moving, concentrated and distributed, 1D, 2D and 3D heat sources in semi-infinite bodies, thick plane layers, thin plates and cylinders under various boundary conditions. The analytical solutions were mainly obtained by the superimposing principle for various parts of the proposed 1D, 2D and 3D heat sources and based on the assumption that only heat conduction plays a major role in the thermal analysis of welds. Other complex effects of heat transfer in weld phenomena are incorporated in the solutions by means of various geometrical and energetic parameters of the heat source. The book is divided into 13 chapters. Chapter 1 briefly reviews various welding processes and the energy characteristics of welding heat sources, while Chapter 2 covers the main thermophysical properties of the most commonly used alloys. Chapter 3 describes the physical fundamentals of heat conduction during welding, and Chapter 4 introduces several useful methods for solving the problem of heat conduction in welding. Chapters 5 and 6 focus on the derivation of analytical solutions for many types of heat sources in semi-infinite bodies, thick plane layers, thin plates and cylinders under various boundary conditions. The heat sources can be instantaneous or continuous, stationary or moving, concentrated or distributed (1D, 2D or 3D). In Chapter 7 the temperature field under programmed heat input (pulsed power sources and weaving sources) is analyzed. In turn, Chapters 8 and 9 cover the thermal cycle, melting and solidification of the base metal. Heating and melting of filler metal are considered in Chapter 10. Chapter 11 addresses the formulation and solution of inverse heat conduction problems using zero-, first- and second-order algorithms, while Chapter 12 focuses on applying the solutions developed here to the optimization of welding conditions. In addition, case studies confirm the usefulness and feasibility of the respective solutions. Lastly, Chapter 13 demonstrates the prediction of local microstructure and mechanical properties of welded joint metals, while taking into account their thermal cycle. The book is intended for all researches, welding engineers, mechanical design engineers, research engineers and postgraduate students who deal with problems such as microstructure modeling of welds, analysis of the mechanical properties of welded metals, weldability, residual stresses and distortions, optimization of welding and allied processes (prewelding heating, cladding, thermal cutting, additive technologies, etc.). It also offers a useful reference guide for software engineers who are interested in writing application software for simulating welding processes, microstructure modeling, residual stress analysis of welds, and for robotic-welding control systems.
Author : Wade H. Shafer
Publisher : Springer
ISBN 13 : 9780306453298
Total Pages : 442 pages
Book Rating : 4.4/5 (532 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer. This book was released on 1996-04-30 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 39 (thesis year 1994) a total of 13,953 thesis titles from 21 Canadian and 159 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 39 reports theses submitted in 1994, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Author : Sindo Kou
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.3/5 (91 download)
Download or read book Welding Metallurgy written by Sindo Kou and published by Wiley-Interscience. This book was released on 1987-09-14 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the fundamental aspects of fusion welding for students, and serves as a handy reference for practicing engineers and research workers involved with the welding of engineering alloys. Deals with the metallurgy of welding, complementing existing welding handbooks and manuals, which tend to emphasize procedures for welding various materials. Examines the thermal, chemical, and mechanical aspects of welding; the metallurgical aspects of welding in three different regions of the weld--the fusion, the partially-melted, and the heat-affected zones--and the microstructure and properties of the weld. Outlines the difficulties in producing sound welds and practical approaches to overcome them. Also covers several important alloy systems and their representative heat-affected-zone phenomena. Includes numerous examples, problems, and case studies, and contains extensive references to the literature.
Author : Peter Seyffarth
Publisher : CRC Press
ISBN 13 : 148226482X
Total Pages : 201 pages
Book Rating : 4.4/5 (822 download)
Download or read book Laser-Arc Processes and Their Applications in Welding and Material Treatment written by Peter Seyffarth and published by CRC Press. This book was released on 2002-05-23 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-Arc Processes and Their Applications in Welding and Material Treatment presents a comprehensive and timely overview of laser-arc processes for material joining and treatment, which is a current and developing research area. The authors review existing methods for combined welding and associated processes and describe theoretical investigation
Author :
Publisher :
ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. F. Lancaster
Publisher : Elsevier
ISBN 13 : 1483151875
Total Pages : 361 pages
Book Rating : 4.4/5 (831 download)
Download or read book The Physics of Welding written by J. F. Lancaster and published by Elsevier. This book was released on 2013-10-22 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Physics of Welding, Second Edition covers advances in welding physics. The book describes symbols, units and dimensions; the physical properties of fluids at elevated temperatures; and electricity and magnetism. The text also discusses fluid and magneto fluid dynamics; the electric arc; and the electric arc in welding. Metal transfer and mass flow in the weld pool, as well as high power density welding are also tackled. Students interested in welding physics will find the book useful.
Author : Stan A. David
Publisher :
ISBN 13 :
Total Pages : 864 pages
Book Rating : 4.3/5 (91 download)
Download or read book Advances in Welding Science and Technology written by Stan A. David and published by . This book was released on 1986 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. G. Lessman
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (31 download)
Download or read book Determination of Weldability and Elevated Temperature Stability of Refractory Metal Alloys written by G. G. Lessman and published by . This book was released on 1970 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
