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HOT SHEET METAL FORMING BY GAS AND DIRECT QUENCHING

[Category : - MECHANICAL ENGINEERING]
[Viewed 880 times]

A hot forming by gas and direct quenching method and apparatus are disclosed. One method of using the system includes a heating step, a forming step, and a direct quenching step. This method increases the quenching speed and allows common steels with high critical cooling rate to be hot formed and quenched. This method reduces or eliminates the need for a furnace and/or the coating of the workpiece prior to the forming, as well as the removal of the coating after the forming. Furthermore, by using a hot gas containing carbon or nitrogen, the workpiece may be case hardened after the heating, forming and quenching steps.

Patent publications:

US 20180127849

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rs.jelokhani (Iran)

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