Free powerpoint templates download free powerpoint backgrounds and powerpoint slides on explosion. Free engineering power point template powerpoint slide. Explosive forming process free download as powerpoint presentation. Utilisation of explosive forming on titanium alloy sheets. The temperature of work is increases due to adiabatic heating. Explosive forming between 1968 and 1972, arpa supported an effort proposed by the university of denver to use explosives for forming metal parts for aerospace applications. Nov 12, 2015 from babylon to america, the prophecy movie by school for prophets attila kakarott duration. Explosive forming article about explosive forming by the.
Ppt introduction to explosives powerpoint presentation. High energy rate forming herf processes introduction. This paper discusses the experiences, techniques, and findings applicable to explosive forming undertaken at martindenver. Comparisonexplosive forming superplastic forming in explosive forming an in super plastic forming explosive charge is used punch or press is used to instead of a punch or press.
Save hours of manual work and use awesome slide designs in your next presentation. Information on the interdependence of independent and dependent variables independent variables starting material starting geometry tool geometry lubrication can be learned in three links experience experiment modeling dependent variables force or power requirements product properties exit temperature surface finish. Explosive forming is an ideal process for producing low volumes of very large metal part with low tooling costs. It can be used on materials for which a press setup would be prohibitively large or require an unreasonably high pressure, and is generally much cheaper than building a large enough and sufficiently highpressure press. Comparison explosive forming in explosive forming an explosive charge is used instead of a punch or press. Explosive forming definition of explosive forming at.
Detonation of the explosive forces the workpiece to assume the shape of the tool. We use explosives to weld or bond dissimilar metals together and to explosively form metals into exotic shapes that are difficult or. Superplastic forming an overview sciencedirect topics. Explosive forming is the forming of sheet metal using explosive materials using large amounts of energy over a very short time. The explosive energy replaces the male part of the tool that is used in regular forming processes. Multishot explosive forming is sometimes carried out automatically the charges are fed in from a special supply bunker. Nitrogen tetroxide n2o4 is another liquid oxidizer capable of forming powerful explosives. Explosive forming is a metalworking technique in which an explosive charge is used instead of. Applications and capabilities of explosive forming. Seminar on underwater welding report and ppt download. The beginning of the use of explosives for forming of metals dates to 1888 when the earliest recorded application is described as the engraving of iron plates by imprinting a design on a block of explosives or by interposing a stencil between the explosive and the plate. The underwater process relied on a mold for the part over which was placed a plate of the metal alloy to be used. Nov 19, 20 this is a civil engineering ppt background that you can use for your structure presentations, buildings, etc.
To enhance the material performance, a high energy rate forming technique is of great importance to industry, which relies on a long and trouble free forming process. A punch in conventional forming is replaced by an explosive charge. Pdf utilisation of explosive forming on titanium alloy sheets. Instead of the oxygen being supplied from the surrounding air, it is supplied in the form of oxidisers or oxidants and is actually a solid material that is in intimate contact with the fuel. Building on wellknown principles of explosive forming and welding, the application of these techniques. Powerpoint slide on fundamentals of metal forming compiled by vinoth. Explosive forming is a process in which forces produced by an explosion are used to shape a workpiece. The oxygen carriers assist in preventing a lowering of the exploding temperature. Any product size, shape and sheet thickness is possible. Explosive forming definition of explosive forming by the. Applications and capabilities of explosive forming request pdf. Seminar on underwater welding report and ppt download introduction to underwear welding underwater welding is an important tool for underwater fabrication works. By creating an account i agree to poweredtemplates terms and conditions. It can be use for large size of it can be only used for metal sheets.
Early patents relating to explosive forming appeared at the end of the 19th and at the beginning of the 20th century. No preheating required before the explosive forming less production cost. If so, share your ppt presentation slides online with. Introduction to explosives authorstream presentation. Anniversary session celebrating 100 year of the first jet aircraft. In the general framework of implementation of eu directives and standards, turkey has amended european harmonized standard en 60079101 and 9992ec atex directive for workplace. Sometimes called explosive hydroforming, a workpiece and explosive is placed in a tank of water. Explosive forming free download as powerpoint presentation. To make the metal plastically deformed, forces must be applied that are greater than the yield strength of the metals. Forging shop forging is a manufacturing process involving the shaping of metal using localized compressive forces. Vander willingena in recent years the number of offshore structures including oil drilling rigs, pipelines, platforms are being installed significantly. Oct 25, 2016 comparison explosive forming in explosive forming an explosive charge is used instead of a punch or press.
Explosive forming is a type of metalworking that can be used to shape very large workpieces. These explosive forming experiments were conducted using free forming techniques. Stretching of the sheet during superplastic forming is much higher than with rolling and sheet fo. Sep 09, 2002 the required profile results from the explosive force that directly or indirectly deforms the metal. Explosive forming process explosive material explosion scribd. New haven sda temple brooklyn, ny recommended for you. Pdf utilisation of explosive forming on titanium alloy. A free powerpoint ppt presentation displayed as a flash slide show on id. Sheetmetal forming process ch is the property of its rightful owner. Download unlimited content our annual unlimited plan let you download unlimited content from slidemodel. The forming processes are affected by the rates of strain used. Meaning, pronunciation, translations and examples log in dictionary.
Study on explosive forming of aluminum alloy a free powerpoint ppt presentation displayed as a flash slide show on id. A lower heat of explosion means a lower energy output and thereby less efficient blasting. Explosive forming definition and meaning collins english. Ppt sheetmetal forming process ch powerpoint presentation. Explosive forming is a broad term covering many process variations. This black bomb image for power point presentations can be used to decorate your slides and make presentations about great and explosive ideas. Between 1968 and 1972, arpa supported an effort proposed by the university of denver to use explosives for forming metal parts for aerospace applications. Mar 30, 2014 smooth pulls cold glue and traditional pdr glue pulling tutorial duration. Oxygen carriers assure complete oxidation of the carbon in the explosive mixture, which inhibits the formation of carbon monoxide. Ppt study%20on%20explosive%20forming%20of%20aluminum. It is typically used in cases where the metal is too large or thick for a traditional press or punch method to be cost effective.
Environmental education resources to commemorate earth days 50th anniversary. Explosive forming is a metalworking technique in which an explosive charge is used instead of a punch or press. A discussion of development of scaling laws and their application in explosive forming, togeth. Improved lubrication if lubricating film is maintained. Forging is often classified according to the temperature at which it is performed. Building on wellknown principles of explosive forming and welding, the application of these techniques is. From babylon to america, the prophecy movie by school for prophets attila kakarott duration. Smooth pulls cold glue and traditional pdr glue pulling tutorial duration. Apr 09, 2018 forming, also known as metal forming, includes a wide range of manufacturing processes in which metal is deformed into a required shape by the application of suitable stresses. Introduction to explosives types of energetic materials pyrotechnics propellants unconfined, referred to as propellants confined, referred to as low explosives.
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