Process of making surface alloyed parts

Details Process of making surface alloyed parts Process of making surface alloyed parts

C - Chemistry, Metallurgy

23

C

117/118, 117/74.

C23C 2/10 (2006.01) C23C 10/22 (2006.01) C23C 12/02 (2006.01)

Patent

CA 1173703

Abstract of the Disclosure Predetermined diffusing elements such as chromium and/ or aluminum are diffused into the surface of a ferrous-based part while preventing, or at least minimizing, bonding of portions of such part to each other or to a fixture with which the part is processed, by constructing the fixture of a barrier material or placing a barrier layer between the member and the part. Then the part is contacted by a molten alloy bath consisting essentially of lead and the diffusing elements. Thereafter, the part is separated from the member. The process finds particular use when the part is coiled sheet steel, in which case adjacent flights of coil are spaced by separator means which is made of a barrier material or carries a barrier layer.

402035

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