Thermit Welding
Take a mixture of powdered aluminum and iron oxide, ignite it, and stand back! Within seconds the mixture flames to twice the temperature of molten steel, and from the bottom of the special crucible comes molten iron. In 1914 Thermit was a cheap and simple way to weld heavy iron.
(Much the same stuff as the fuel in the solid rocket boosters that put the space shuttle into orbit! Same stuff that was painted onto the skin of Hindenburg that caused it to burn so quickly! ---as reported recently in a Nova program on PBS)
Crew welding the cracked axle of a paddle wheel on a Mississippi steamboat.
Learn about the invention of Thermit process, welding rail, special crucible and rail molds, butt welding of pipes, broken locomotive frames, and much more. You get detailed information on the chemistry involved, how to set and preheat pieces, how and why to add nickel or titanium, the use of Thermit in foundry practice, examples including photos of repairs on a torpedo boat rudder, a locomotive frame, even a steamboat paddlewheel axle!
Unusual process! Loads of rare information! Get a copy! 5 1/2 x 8 1/2 booklet 40 pages
No. 899 ... $4.95
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