C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 8/68 (2006.01) C23C 8/70 (2006.01)
Patent
CA 2277006
The invention relates to a boriding agent for generating boride layers on metallic workpieces, which consists substantially of boron-releasing substances, activating-substances and, in the remainder, refractory, inert extender and which is characterised in that it contains by way of activating substance a combination of 1 to 5 wt.% potassium tetrafluoroborate and 5 to 40 wt.% calcium fluoride, relative to the total quantity of the boriding agent. With this boriding agent it is possible for single-phase, Fe2B-containing boride layers to be generated on workpieces made of ferrous materials. The agent results in lower emissions of fluorine and fluoride.
Baudis Ulrich
Wigger Stefan
Houghton Durferrit Gmbh
Marks & Clerk
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