Method for production of spinel single crystal filaments

Details Method for production of spinel single crystal filaments Method for production of spinel single crystal filaments

1996-03-11

1997-07-22

Breneman, R. Bruce

Single-crystal, oriented-crystal, and epitaxy growth processes;

Processes of growth from liquid or supercritical state

Havin growth from molten state

117 2, 117921, 117937, C30B 2104

Patent

active

056500076

ABSTRACT:
Spinel single crystal filaments are produced by a method which consists essentially of solidifying in one direction a melt consisting essentially of 30 to 70% by weight of magnesium oxide, 10 to 45% by weight of aluminum oxide, and 15 to 45% by weight of silicon dioxide, thereby forming a composite texture containing a matrix of forsterite and filaments of spinel dispersed in the matrix, and then separating the filaments of spinel from the composite texture.

REFERENCES:
patent: 3658586 (1972-04-01), Wang
patent: 3883313 (1975-05-01), Cullen et al.
patent: 4177321 (1979-12-01), Nishizawa
J. Sigalovsky, et al., "Growth of Spinel Single Crystal Fibers by the Laser-heated Floating-zone Technique and their Characterization as High Temperature Reinforcements", Journal of Crystal Growth 134, (pp. 313-324), 1993.

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