Annealing with induction heating

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Uploaded by on Apr 23, 2008

http://www.ameritherm.com/annealing.php Annealing is a heat treatment method used to soften metal. Induction heating provides a flameless reliable, repeatable, non-contact and energy-efficient heat.

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Uploader Comments (Ambrellinduction)

  • Annealing is used in a wide variety of manufacturing processes. Annealing is a heat treatment in which a material is exposed to an elevated temperature for an extended time and then slowly cooled. Annealing heat treatments are largely characterized by induced microstructural changes which are ultimately responsible for altering the material's mechanical properties. The ultimate goal of this process is to reduce the hardness of the metal and improve its ductility.

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  • hammering, stretching is cold work. But cold work causes stresses and energy is stored in the dislocated atoms (or slip systems), making it rather brittle. Annealing enables the recrystallization of grains (atoms shift and dislocations do no longer exist) . This means that the material becomes again ductile!

  • Numb nuts! Are you serious!? You can anneal, braze, solder, etc..in seconds without even contacting the work piece. Other applications would include inductive heating of a furnace, welding, etc...

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All Comments (28)

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  • voice sux

  • @TheOnedeadguy you can't explain that.

  • @lilbubka its an ac power source ( in the kilohertz range ) the magnetic field alternates direction i don't think the atoms would have enough time to allign .. i'm no material engineer either

  • keep pressing 1..bebebengbebebengbebebengbeb­ebengbebebeng

  • @TheOnedeadguy .. good question!!.. when the steel cools are the atoms of the steel alligned just like they were with the magnetic force acting on it.. does it change the magnetic properties of the steel once cooled.. i have always wondered about this.. p.s. im only 17 so i hope no engineer or smart guy decides attacks jumps me through the comments list for asking such a question.. lol jk.. but seriously. it happeens a lot lol

  • what if someone took a steel gas tank or a tank of welding gas and put it through the coil.. awsome explosion =)

  • wtf????? nothing happened so you described the color.changes

  • @Rakamonk good one dude!

  • what would happen if you put a magnet in there? ._.

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