Continuous thin sheet of TiAl intermetallic compound and process

Details Continuous thin sheet of TiAl intermetallic compound and process Continuous thin sheet of TiAl intermetallic compound and process

1990-02-23

1991-07-02

Roy, Upendra

Metal treatment

Compositions

Heat treating

148 2, 148 3, 148403, 148407, 420418, C22C 1400, B23K 2000

Patent

active

050282778

ABSTRACT:
A continuous thin sheet of a TiAl intermetallic compound consisting of from 35 to 44 wt % Al and the balance Ti and unavoidable impurities, having a thickness of from 0.2 to 3 mm, and having a solidified, as-cast structure comprising columnar crystals extending from both surfaces of the sheet toward the center of the sheet thickness, and a process for producing the same by using a twin-roll type continuous casting procedure.

REFERENCES:
patent: 4354880 (1982-10-01), Adams et al.
patent: 4709572 (1987-12-01), Yamada et al.
patent: 4830086 (1989-05-01), Kobayashi et al.
patent: 4849168 (1989-07-01), Nishiyama et al.
patent: 4893743 (1990-01-01), Eylon et al.
Kim, Jour. of Metals, Jul. 1989, pp. 24-30.
M. Yamaguchi, "Kinzoku", Jan. 1989, pp. 49-54.
Proceedings of the Japan Institute of Metals, Sep. 21 (1980), pp. 24-27.
H. A. Lipstt et al., Metallurgical Transaction, vol. 6A (1975), pp. 1991-1997.

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