Process of producing continuous thin sheet of TiAl intermetallic

Details Process of producing continuous thin sheet of TiAl intermetallic Process of producing continuous thin sheet of TiAl intermetallic

1991-04-09

1992-02-11

Roy, Upendra

Metal treatment

Compositions

Heat treating

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

Patent

active

050872982

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: 4893743 (1990-01-01), Eylon et al.
patent: 4941928 (1990-07-01), Ammon et al.
Whang et al., in ASM Symp. Proc., Materials Week, 1986, Oct. 6-9, 1986, Orlando, Florida, USA.

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