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thermite
incendiary bomb
incendiary bomb Bomb designed to burn, rather than destroy by explosion, its target. Incendiary bombs were first used in World War I. In World War II they had phosphorus or thermite as the charge. They were also widely used by the USA in the
Vietnam War, in the form of napalm.
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Thermite weld evaluations and developments: railroads, manufacturers and suppliers continually improve infrastructure products and practices for improved performance and reliability. (TTCI R&D).
Magazine article from: Railway Track and Structures; 12/1/2002; ; 700+ words
; ...was a failure rate of 89 percent with thermite welds after 159 mgt (this failure rate...improvements at FAST have reduced the current thermite weld failure rate to an average of 16...stronger, cleaner and more-consistent thermite welds. However, thermite weld failures...
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Impact of FAST on track technology and safety: testing performed at TTCI's FAST has provided the railroad industry with improvements in different components, from special trackwork to thermite welds to rail steels.(TTCI R&D)(Facility for Accelerated Service Testing)
Magazine article from: Railway Track and Structures; 8/1/2003; ; 700+ words
; ...as well as identifying potential problems before they could occur in revenue service. Today, special trackwork, ties, rails, thermite welds, subgrade and a two-span steel bridge are being tested under 315,000-pound cars in a 75-car train (Figure 1). This article...
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Thermite weld. (Products/Literature).(Stanley Hydraulic Tools )(Brief Article)
Magazine article from: Railway Track and Structures; 11/1/2001; 67 words
; The 3 in 1 All in One Thermite Field Weld from Stanley Hydraulic Tools features a disposable crucible. The 32-lb patented crucible comes prepackaged with the...
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Rail welding still a hot issue in m/w: rail welding suppliers are responding to demands for faster, more-efficient and more-reliable rail welds in both flash butt and thermite.(Company overview)
Magazine article from: Railway Track and Structures; 7/1/2006; ; 700+ words
; Railroads have learned to rely on rail welding, but they need more-reliable welds and faster, more-efficient processes to keep traffic moving and meet the demand for welded rail. Suppliers are providing new ways in which to meet those challenges. [ILLUSTRATION OMITTED] Holland Company The Holland
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Advances in rail welding: AAR, with the help of suppliers and TTCI, is researching ways to improve rail welding techniques without increasing cost or track time.(TTCI R & D)
Magazine article from: Railway Track and Structures; 2/1/2004; ; 700+ words
; ...Transportation Technology Center, Inc., with thermite evaluation projects. Additionally, alternative...improvements were desired in the performance of thermite welds used in field welding. Since that...time demands and available resources. Thermite welds Besides working with Orgo-Thermit...
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Heavy metal: a weld need not be the weakest link in the track structure.(ENGINEERING)
Magazine article from: Railway Age; 11/1/2008; ; 700+ words
; ...may improve the performance of existing thermite welds, and evaluation of new and improved...treatment research is focused on improving thermite weld performance through two vibration-bas...vibration applied to the rail adjacent to a thermite weld during the welding process. The...
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TTCI searching for improved in-track welding methods.(Brief Article)
Magazine article from: Railway Track and Structures; 1/1/2001; ; 700+ words
; ...laboratory and in-track evaluations of wide-gap thermite rail welds. The process has already found...on improving the service performance of thermite welds by searching for ways to refine the thermite weld metal and to simplify the thermite...
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Railhead repair by gas metal arc robotic slot welding: an evaluation of newly-developed technology.(TTCI R&D)
Magazine article from: Railway Track and Structures; 2/1/2005; ; 700+ words
; ...railhead repair. Several hundred thousand thermite and flash-butt welds are installed in...that required for the installation of a thermite weld. An obvious benefit of the slot...at FAST by performance comparison with thermite and flash butt welds. The test regime...
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Development and evaluation of improved rail welding and weld treatment methods: TTCI examines improvements to rail welding technologies in order to extend service life.(TTCI R&D)
Magazine article from: Railway Track and Structures; 10/1/2008; ; 700+ words
; ...may improve the performance of existing thermite welds. * Evaluation of new and improved...conducted by TTCI is focused on improving thermite weld performance through two different...vibration applied to the rail adjacent to a thermite weld during the welding process. The...
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Wide-gap welds offer railroads potential savings.
Magazine article from: Railway Track and Structures; 8/1/1999; ; 700+ words
; ...that this is a very viable technology. Thermite welding is the preferred method worldwide...chemical reaction. When properly made, thermite welds can give very good performance...machines cannot be used as flexibly as thermite welds and are thus more suitable for...
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thermite
Book article from: The Columbia Encyclopedia, Sixth Edition
...incendiary bombs. A method for welding using thermite (invented by Dr. Hans Goldschmidt, a...and steel rails. In the process the thermite, contained in a crucible, is ignited...removed when the weld cools. Because thermite reacts with explosive violence once ignited...
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welding
Book article from: The Columbia Encyclopedia, Sixth Edition
...resistance to an electric current, passed through the sections to be joined, causes them to melt. Other notable methods include the thermite process, oxyacetylene, electric arc, oxyhydrogen, and the atomic hydrogen flame. In this last-named method, molecules of hydrogen...
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bombs
Book article from: The Oxford Companion to World War II
...often failed to work. Early British incendiaries filled with thermite—a mixture of iron oxide and powdered aluminium—...highly effective 1 kg. (2.2 lb.) bomb by making thermite its primary igniting substance and metallic magnesium the principal...
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aluminum
Book article from: The Columbia Encyclopedia, Sixth Edition
...foil is used as a wrapping material. Aluminum powder is used in paints. A mixture of powdered aluminum and iron oxide, called thermite , is used in welding because of the large amount of heat liberated when it is ignited. The development of methods for coloring...
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magnesium
Book article from: The Columbia Encyclopedia, Sixth Edition
...of magnesium. The metal is also used in pyrotechnics, especially in incendiary bombs, signals, and flares, and as a fuse for thermite . It is used in photographic flashbulbs and is added to some rocket and missile fuels. It is used in the preparation of malleable...
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