Title:
PRODUCTION OF ALLOY BASED ON TIAL AS INTERMETALLC COMPOUND
Document Type and Number:
Japanese Patent JPH05345936
Kind Code:
A
Abstract:
PURPOSE: To reduce the temp. and time required to heat-treat an ingot and to enhance hot workability and productivity.
CONSTITUTION: An alloy whose principal constituent phase is TiAl as an intermetallic compd. contg. >47-<55 atomic % Al is cast at ≥1°C/sec cooling rate at the time of solidification and the cast alloy is heat-treated at 1,100-1,350°C for ≥30min. The alloy may further contain ≤5 atomic % one or more among Mn, Cr and V as additive elements.
Inventors:
FUJITSUNA NORIYUKI
MIYAMOTO ATSUYUKI
MIYAMOTO ATSUYUKI
Application Number:
JP15351092A
Publication Date:
December 27, 1993
Filing Date:
June 12, 1992
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
C22C1/02; C22C1/00; C22C14/00; C22F1/00; C22F1/18; F01D5/28; (IPC1-7): C22C1/00; C22C1/02; C22C14/00; C22F1/18; F01D5/28
Attorney, Agent or Firm:
Kanemaru Shoichi