METHOD FOR PRODUCING TIAL INTERMETALLIC COMPOUND POWDER, AND TIAL INTERMETALLIC COMPOUND POWDER

METHOD FOR PRODUCING TIAL INTERMETALLIC COMPOUND POWDER, AND TIAL INTERMETALLIC COMPOUND POWDER

Provided is a method for producing a TiAl intermetallic compound powder in which it is possible to reduce the number of internal pores. Also provided is a TiAl intermetallic compound powder in which internal pores have been reduced in number. This method for producing a TiAl intermetallic compound p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKAMAKI Koichi, HAN Gang, SAITO Kazuya, NAKAMURA Kiyomi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALLOYS
CASTING
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:Provided is a method for producing a TiAl intermetallic compound powder in which it is possible to reduce the number of internal pores. Also provided is a TiAl intermetallic compound powder in which internal pores have been reduced in number. This method for producing a TiAl intermetallic compound powder comprises passing a cut piece of a TiAl intermetallic compound through a hot plasma flame and performing a spheroidizing process. This TiAl intermetallic compound powder has a pore ratio of 0-0.4% by area in a cross-section. The TiAl intermetallic compound powder described above is suitable as a raw powder for use in fabricating a molded article by various powder metallurgy methods and/or layer molding methods.