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Formation of metal filaments by solid state reactions.

Authors
Leavenworth-HW Jr.; Dunning-BW Jr.; Gabler-RC Jr.; Goldsmith-CE
Source
U S Pat 3 852 060 1974 Dec; :
Link
NIOSHTIC No.
10012018
Abstract
Cu, fe, or cu-fe duplex filaments are grown from a solid matte of cu, fe, and s which is stoichiometrically deficient in s. Growth occurs in a nonreacting atmosphere consisting of n2 or a vacuum of no more than 0.05 Torr. The matte is prepared by heating cu, fe, and s to >800 deg. C and contains 10-30 s and 30-60 pct cu. The cooled matte is then ground and heated to >300 deg. C to grow approximately 1 mm diameter filaments from the particle surfaces. Lengths of 2-3 cm are attained after several minutes. The matte is cooled, and the metal filaments are detached from the particle surfaces.
Publication Date
19741201
Document Type
PA;
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
PAT 3,852,060
NIOSH Division
CPRC;
Source Name
U.S. Pat. 3,852,060; Dec. 3, 1974; Chem. Abstr. 82:89,456V
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