Explosion welding is a solidstate process that produces a high velocity interaction of dissimilar metals by a controlled detonation oxides found on material surfaces must be removed by effacement or dispersion. Scribd is the worlds largest social reading and publishing site. Presentation explosive welding ew free download as powerpoint presentation. We discussing plastic welding seminar in hot topic area and see more about it. Introduction to explosives types of energetic materials pyrotechnics propellants unconfined, referred to as propellants confined, referred to as low explosives. In generally, an is often used in explosive welding project, the detonation velocity of an v d is 18002800 ms or so. Seminar on underwater welding report and ppt download. Remote work advice from the largest allremote company. Seminar on underwater welding report and ppt download introduction to underwear welding underwater welding is an important tool for underwater fabrication works. At tnopml several of the explosive welding configurations that were. If a high electromagnetic pressure is required then extremely low selfinductance capacitors are used.
Explosive welding is a solid state metal joining process used to create a metallurgical bond between two similar or dissimilar metals 1. To demonstrate feasibility of the mpm in simulation of the explosive welding, an engineering instance that both copper plate and steel plate are bonded by the explosive welding is presented. Explosive welding takes place when two plates are impacted together under an explosive force at high velocity. Conclusion even though under water welding is more advantageous, there are more risk factor faced by the workers. View and download powerpoint presentations on orbital welding ppt. Flyer plate is a sacrificial plate placed between the cladder and the explosive to protect the cladder metal. Ppt introduction to explosives powerpoint presentation. This is done by directing a gas flame over the metals until a molten puddle is formed. The method combines molecular dynamics simulation and classical diffusion theory. Examples are sheets used for shells and bases in the. Presentation explosive welding ew structural steel welding. A free powerpoint ppt presentation displayed as a flash slide show on id.
Sep 19, 2018 equipment used in magnetic pulse welding. In tig welding an arc is formed between a non consumable tungsten. Wet welding has been used since long time and nowaday dry welding is also in practice. The process uses an explosive detonation as the energy source to produce a metallurgical bond between metal components. The process of explosive cladding, or explosive metal welding, has been understood for decades. Find powerpoint presentations and slides using the power of, find free. View and download powerpoint presentations on welders training ppt. Explosion welding process, uses an explosive detonation as. The energy for gas welding comes from the combustion of a fuel with oxygen or air. Download your presentation papers from the following links.
Explosive welding or cladding is usually performed on relative thick plates by means of a large scale parallel plate setup. What you can do with explosion welding aws section. Tig welding is a commonly used high quality welding process. Magnetic pulse welding diagram equipment application. Explosive welding free download as powerpoint presentation. Study of the explosive welding process and applications. Explosive welding differs from other traditional joining processes as it does not depend on melting of two metals to be joined, or on plastic deformation of the surfaces in contact as occurs with cold or hot pressure welding. Cladding metal or cladder is the thinner plate that is either in direct contact with the explosive, or is shielded by a flyer plate from the explosive.
As any other welding process, it complies with well understood, reliable principles. Explosion welding exw is a solid state solidphase process where welding is accomplished. Jan 22, 20 explosion welding is a solidstate process that produces a high velocity interaction of dissimilar metals by a controlled detonation slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Welding career presentation by johnathin harris on prezi. Explosion welding exw is a solid state solidphase process where welding is accomplished by accelerating one of the components at extremely high velocity. A cookie is a small text file that is sent by our website to your computer or mobile device where it is stored by your web browser as soon as you visit our web page. Explosion cladding is a solid state welding process that uses precision explosions to bond two dissimilar metals while retaining the mechanical, electrical and corrosion properties of both.
Apr 12, 2017 today we will learn about thermite welding, principle, working, equipments, application, advantages and disadvantages. Gas tungsten arc welding gtaw is frequently referred to as tig welding. Mar 29, 2011 dear all, pl help me to forward the welding safety ppt or photographs of welding accident due to non use of ppe. A weld joint is produced by means of a high velocity impact of one metallic mass onto another, aided by a controlled detonation with an explosive charge. Plastic welding seminar report pdf download plastic welding seminar reports and ppt in pdf and doc format for final year mehanical engineering students. Vander willingena in recent years the number of offshore structures including oil drilling rigs, pipelines, platforms are being installed significantly.
Lead arc welding of a forged steel cupandcross tiedown assembly into an aluminum aircraft carrier deck plate. The interfacial zone at the welded interface is composed of a fine eutectic structure of aluminum and fe 4 al, and the explosive welding process of this metal combination proceeds mainly by intensive deformation of the aluminum alloy. Introduction to welding technology page 1 of 9 introduction to welding technology welding is a fabrication process used to join materials, usually metals or thermoplastics, together. Please send me plastic welding seminar report and ppt on sangales21gmail. In 1946, special waterproof electrodes were developed in holland by e. A cookie is a small text file that is sent by our website to your computer or mobile device where it is stored by.
Some of our web pages use socalled cookie technology. If so, share your ppt presentation slides online with. It is conceivable that explosive welds first appeared sometime after the 1880s when highvelocity gunnery was introduced and projectiles impinged on metal targets. Types of welding gas welding, arc welding, oxygen and arc cutting gas welding in gas welding, two metals are joined by melting or fusing their adjoining surfaces. Atomic diffusion behavior in cual explosive welding process. Explosive welding video steinmuller africa pty ltd.
What is ultrasonic welding process engineers academy. Introduction to welding technology is the property of its rightful owner. Explosives used for welding high velocity 1475025000 fts trinitrotoluene tnt cyclotrimethylenetrinitramine rdx pentaerythritol. Mechanical, civil, chemical, and other engineers present 50 papers on such topics as welding a supersonic solidstate detonation in an overdriven porous mixture of aluminum and teflon, hightemperature elastic properties of refractory materials, energy dissipation in the explosive welding of dissimilar metals, a newly developed unsteady wave sensing system for polycarbonate, the behavior of. Explosion welding is a solidstate process that produces a high velocity interaction of dissimilar metals by a controlled detonation oxides found on material surfaces must be removed by effacement or dispersion slideshow. The capacitor bank is used for charging to extreme levels of energy. During welding, the pieces to be joined the workpieces are melted at the joining interface and usually a filler material is added to form a pool of. Each of the above type of welding can be further classified depending on other micro level characteristics. Explosion welding is a solidstate process that produces a high velocity. Explosion bonding or explosion cladding or explosion welding is a technically based industrial welding process. Explosive welding article about explosive welding by the. Aluminium can be welded to copper and stainless steel to brass. Numerical simulation of explosive welding using the material.
The lower plate is laid on a firm surface, such as a heavier steel plate. What is explosive welding and in what applications is it used. Ppt explosion welding powerpoint presentation, free. Explosion welding is a solidstate process that produces a high velocity interaction of dissimilar metals by a controlled detonation slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Presentation explosive welding ew structural steel. This 2015 market research report on global aluminum welding wire industry is a meticulously undertaken study. Explosion welding is a solidstate process that produces a high velocity interaction of dissimilar metals by a controlled detonation. Aluminium and copper can be welded to stainless steel, aluminium to nickel alloys, and stainless steel to nickel. New explosive welding technique to weld springerlink. Ppt ultrasonic welding powerpoint presentation free to. Find powerpoint presentations and slides using the power of, find free presentations research about welders training ppt. Sep 15, 2016 explosion cladding is a solid state welding process that uses precision explosions to bond two dissimilar metals while retaining the mechanical, electrical and corrosion properties of both. A hybrid method is proposed to study atomic diffusion behavior in cual explosive welding process.
Although academia has acknowledged explosive welding as a novel and fascinating process, with several specific exceptions, industry has been slow to realize its potential and the possible composites that it makes available. This base material is often unalloyed or low alloy carbon steel. We hope to add commentary in the notes section of these slides. Explosives used for welding high velocity 1475025000 fts trinitrotoluene tnt cyclotrimethylenetrinitramine rdx pentaerythritol tetranitrate petn composition b composition c4 primacord low to medium velocity 490014750 fts ammonium nitrate ammonium nitrate sensitized with fuel oil ammonium perchlorate. The upper plate is placed carefully at an angle of approximately. Explosive welding of metals in a vacuum environment smt holland. In simple terms an explosive weld is achieved by impelling the cladding plate against the substrate plate material using. Explosive welding is a specialised process used for lap joints in difficult to weld metals and their combinations. Explosion welding is a solidstate process that produces a high velocity interaction of. Thermite welding is a liquid state welding process in which the metal to metal joint created by melting of base material or applying filler material in liquid form. The weldable region for various aluminum alloys is decided by the change in collision velocity and kinetic. Ppt explosion welding powerpoint presentation, free download. Tig welding has become a popular choice of welding processes when high quality, precision welding is required.
1495 1388 1209 374 627 1283 186 1157 1331 390 660 118 287 1291 1394 333 1612 854 216 1289 435 1444 39 1185 617 45 615 972 1429 1370 1179 1151 1335 578 116 765 488 1326 362 1073 145 125 742