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Titolo:
EFFECT OF ALUMINUM ON OXIDATION RESISTANC E OF TIAL-MN INTERMETALLICS
Autore:
KUMAGAI M; SHIBUE K; KIM MS;
Indirizzi:
SUMITOMO LIGHT MET IND LTD,TECH RES LABS NAGOYA AICHI JAPAN
Titolo Testata:
Nippon Kinzoku Gakkaishi
fascicolo: 4, volume: 59, anno: 1995,
pagine: 423 - 428
SICI:
0021-4876(1995)59:4<423:EOAOOR>2.0.ZU;2-H
Fonte:
ISI
Lingua:
JPN
Keywords:
OXIDATION; REACTIVE SINTERING; ALUMINA FILM; POWDER METALLURGY; CHLORINE; ALUMINUM CONTENT; INTERMETALLIC COMPOUND; HIGH TEMPERATURE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
7
Recensione:
Indirizzi per estratti:
Citazione:
M. Kumagai et al., "EFFECT OF ALUMINUM ON OXIDATION RESISTANC E OF TIAL-MN INTERMETALLICS", Nippon Kinzoku Gakkaishi, 59(4), 1995, pp. 423-428

Abstract

The influence of aluminum content in TiAl-Mn containing a small amount of chlorine on the oxidation behavior has been studied in air over the temperature range from 1223 K to 1473 K. In this work, the alloys were prepared by using the reactive-sintering process. The reactive-sintered TiAl-Mn alloys have excellent oxidation resistance in the temperature regions of gamma and gamma + alpha(2) phases compared to the cast one, owing to the formation of a protective thin Al2O3 scale due to chorine. However, the TiAl-Mn is oxidized drastically over the eutectoid temperature, 1398 K. In alpha(2) region the oxidation behavior of the reactive-sintered TiAl-Mn is similar to that of the cast one. The oxidation resistance region in the equilibrium phase diagram is shown for the reactive-sintered TiAl-Mn containing a small amount of chlorine.

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Documento generato il 28/03/20 alle ore 23:30:14