Boriding agent
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United States of America Patent
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Jun 12, 2001
Grant Date -
N/A
app pub date -
Jul 8, 1999
filing date -
Jul 9, 1998
priority date (Note) -
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Abstract
A boriding agent for generating boride layers on metallic workpieces, containing boron-releasing substances, activating substances and, in the remainder, refractory, inert extender. The activating substance is 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, Fe.sub.2 B-containing boride layers to be generated on workpieces made of ferrous materials. The agent results in lower emissions of fluorine and fluoride.
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