Plasma Welding And Cleaning
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| Author | : H. E. Pattee |
| Publisher | : |
| Total Pages | : 76 |
| Release | : 1964 |
| Genre | : Plasma jets |
| ISBN | : |
Plasma technology, as it applies to joining metals, is reviewed and the current status of both welding and cathodic cleaning of metals by plasma arc procedures is summarized. In order to produce defect-free welds, with high joint efficiencies in aluminum alloys by TIG welding procedures, very slow welding speeds, or specialized methods, must be used. Although application of the plasma arc to joining metals is still largely in the development stage, it appears to be an attractive welding process. The plasma arc is constricted whereas the TIG arc is unconfined. Because of the constriction, higher temperatures are available in the plasma arc. Thus, substantially higher welding speeds can be achieved than with the TIG process. Furthermore, the plasma arc characteristics are not as sensitive to minor variations in the process variables. The effectiveness of cathodic cleaning has been demonstrated by surface resistivity measurements. (Author).
| Author | : |
| Publisher | : |
| Total Pages | : 304 |
| Release | : 1964 |
| Genre | : Science |
| ISBN | : |
| Author | : R. P. Meister |
| Publisher | : |
| Total Pages | : 88 |
| Release | : 1967 |
| Genre | : Aluminum |
| ISBN | : |
The purpose of this report is to summarize the present state of aluminum-welding technology. The major topics covered are: Basic metallurgy of various heat-treatable and non-heat-treatable alloy classes; welding processes used for joining aluminum with emphasis on newer processes and procedures which are considered important in defense metals industries; welding characteristics of various alloys; comparison of tensile properties, cracking tendencies, notch toughness, and stress-corrosion characteristics of various weldments; dissimilar metal welds; and causes of porosity and cracking of aluminum welds and the effect of porosity on weld strength. (Author).
| Author | : Radko Tiňo |
| Publisher | : CRC Press |
| Total Pages | : 153 |
| Release | : 2021-02-19 |
| Genre | : Science |
| ISBN | : 1000342212 |
Scientists have long been looking for alternative methods for the cleaning of historical and cultural museum objects as conventional methods often fail to completely remove surface films, leaving contamination and surface residues behind. Low-temperature plasmas have recently been found to provide a new, efficient and durable approach that maintains the safety of both the materials and personnel. This book is the first to introduce the emerging use of low-temperature plasmas in the cleaning and decontamination of cultural heritage items. It provides a comprehensive exploration of the new possibilities of cleaning objects with plasma, before providing a practice guide to the individual cleaning methods and an overview of the technologies and conditions used in the different cleaning regimes. It is an ideal reference for researchers in plasma physics, in addition to professionals working in the field of historical and cultural conservation. Features: Provides a thorough overview of the cleaning potential of emerging plasma technologies in accessible language for professional restorers and conservators without a scientific background Includes the latest case studies from the field, which have not been published elsewhere yet Authored by a team of experts in the field
| Author | : Robert Melvin Evans |
| Publisher | : |
| Total Pages | : 18 |
| Release | : 1965 |
| Genre | : Steel |
| ISBN | : |
The report summarizes the advancements made in the development and welding of steels possessing yield strengths greater than 150,000 psi. Steels discussed include the medium carbon, low-alloy martensitic steels; low carbon alloy martensites; and nickel maraging steels. Almost all programs which have the objective of developing high-strength steels have an equally important phase concerned with filler metal development. Filler metals are also discussed. The new welding processes discussed are Narrow-Gap welding, electron-beam welding, plasma-arc welding, high-frequency resistance welding, electroslag welding, laser welding, and interrupted-arc (dip trasfer) MIG welding. (Author).
| Author | : W Lucas |
| Publisher | : Elsevier |
| Total Pages | : 161 |
| Release | : 1991-05-31 |
| Genre | : Technology & Engineering |
| ISBN | : 1845698886 |
The welding of tubes is an essential requirement in the fabrication of components in many industries. The original idea for this book came from a seminar organized by The Welding Institute which attracted over 100 specialists concerned with design, fabrication, production and quality assurance and yielded a number of valuable papers. "Process Pipe and Tube Welding" contains some of these papers together with additional chapters to provide comprehensive coverage of all aspects of tube welding from initial design considerations through production to final inspection. In the first three chapters the authors outline the process and equipment options available for both manual and mechanized welding. This is essential for design and production planning when faced with the choice of competing processes such as MMA, MIG, TIG or plasma, helping engineers make the right choice for particular applications and ensuring the most cost effective welding techniques are employed. Five further chapters are devoted to the application of tube welding in the aero-engine, ship building, power generation, petrochemical and chemical plant industries with numerous details on processes, materials, techniques and equipment. The welding parameters and production data provided by the authors are a valuable source of information and will help engineers to overcome problems in production.This title includes Process options and manual techniques for welding pipework fabrications; Mechanised arc welding process options for pipework fabrications; Process techniques and equipment for mechanised TIG welding of tubes; Welding pipes for aero-engines; TIG welding pipework for ships; Automatic tube welding in boiler fabrication; TIG and MIG welding developments for fabrication of plant for the chemical, petrochemical, and offshore oil and gas industries; Fabrication of aluminium process pipework; A fabrication system for site mechanical construction; Qualification of welding procedures for the chemical process industry; Non-destructive examination of welds in small diameter pipes.
| Author | : Richard Finch |
| Publisher | : |
| Total Pages | : 164 |
| Release | : 2005 |
| Genre | : Airplanes |
| ISBN | : 9781610591478 |
| Author | : |
| Publisher | : |
| Total Pages | : 1090 |
| Release | : 1969 |
| Genre | : Mechanics, Applied |
| ISBN | : |
| Author | : B Kinsey |
| Publisher | : Elsevier |
| Total Pages | : 221 |
| Release | : 2011-07-26 |
| Genre | : Technology & Engineering |
| ISBN | : 0857093851 |
Tailor welded blanks are metallic sheets made from different strengths, materials, and/or thicknesses pre-welded together before forming into the final component geometry. By combining various sheets into a welded blank, engineers are able to ‘tailor’ the blank so that the properties are located precisely where they are needed and cost-effective, low weight components are produced. Tailor welded blanks for advanced manufacturing examines the manufacturing of tailor welded blanks and explores their current and potential future applications. Part one investigates processing and modelling issues in tailor welded blank manufacturing. Chapters discuss weld integrity, deformation during forming and the analytical and numerical simulation modelling of tailor welded blanks for advanced manufacturing. Part two looks at the current and potential future applications of tailor welded blanks. Chapters review tailor welded blanks of lightweight metals and of advanced high-strength steel and finally discuss the uses of tailor-welded blanks in the automotive and aerospace industries. With its distinguished editors and international team of expert contributors, Tailor welded blanks for advanced manufacturing proves an invaluable resource for metal fabricators, product designers, welders, welding companies, suppliers of welding machinery and anyone working in industries that use advanced materials such as in automotive and aerospace engineering. Engineers and academics involved in manufacturing and metallurgy may also find this book a useful reference. Examines the manufacturing of tailor welded blanks and explores their current and potential future applications Investigates processing and quality issues in tailor welded blank manufacturing including weld integrity and deformation Reviews both current and potential future applications of tailor welded blanks as well as specific applications in the automotive and aerospace industries
| Author | : United States. Patent and Trademark Office |
| Publisher | : |
| Total Pages | : 1076 |
| Release | : 2000 |
| Genre | : Patents |
| ISBN | : |
