Process for the preparation of submicron-sized boron carbide pow

Details Process for the preparation of submicron-sized boron carbide pow Process for the preparation of submicron-sized boron carbide pow

1986-07-28

1990-01-23

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415745, 20415747, C01B 3500

Patent

active

048956287

ABSTRACT:
Ultrafine, high purity B.sub.4 C is produced by BCl.sub.3, CH.sub.4 or C.sub.2 H.sub.4, and H.sub.2, using a CO.sub.2 laser, when a stoichiometric excess of H.sub.2 and about half the stoichiometric amount of CH.sub.4 or C.sub.2 H.sub.4 is employed.

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