1992
DOI: 10.1007/bf02660861
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Segregation and homogenization of a near-gamma titanium aluminide

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Cited by 35 publications
(9 citation statements)
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“…[6] for specific values of temperature T (and, hence, C s and C ␥ ), coupled with measured values of the dissolution time (i.e., time at which h ␥ ϭ 0), enabled the determination of the rate constant A 2 . For this purpose, the pseudobinary phase diagram measured by Semiatin and McQuay [18] for Ti-xAl-2.5Nb-0.3Ta (reproduced in Figure 2) was used to obtain the pertinent values of C s and C ␥ needed for the analysis. An activation energy of 312 kJ/mol [19] was used in the majority of the calculations.…”
Section: B Gamma Particle Dissolution: Interface Reaction Kineticsmentioning
confidence: 99%
“…[6] for specific values of temperature T (and, hence, C s and C ␥ ), coupled with measured values of the dissolution time (i.e., time at which h ␥ ϭ 0), enabled the determination of the rate constant A 2 . For this purpose, the pseudobinary phase diagram measured by Semiatin and McQuay [18] for Ti-xAl-2.5Nb-0.3Ta (reproduced in Figure 2) was used to obtain the pertinent values of C s and C ␥ needed for the analysis. An activation energy of 312 kJ/mol [19] was used in the majority of the calculations.…”
Section: B Gamma Particle Dissolution: Interface Reaction Kineticsmentioning
confidence: 99%
“…These reports on hot workability have focused on ingot metallurgy (I/M) processing and typically have emphasized on material starting condition [19][20][21][22][23][24]. The purpose of this paper was to study the whole process of a single alloy composition by isothermal forging, that is, the processing window and stress-strain curves were set up, and grain refining method as well as refining mechanism were discussed.…”
Section: Introductionmentioning
confidence: 99%
“…Die Gruppe der c-TiAl Basislegierungen ist auf Grund ihrer ausgezeichneten Hochtemperatureigenschaften, der geringen Neigung zu sogenanntem Titanfeuer aber vor allem wegen ihrer geringen Dichte ein potentieller Kandidat, die zur Zeit im Gasturbinenbau eingesetzten Eisen-und Nickel-Basislegierungen abzulösen [1,2,3]. Die hohe spezifische Steifigkeit, die auch bei höheren Temperaturen erhalten bleibt, bietet aber auch Vorteile im Design von Strukturbauteilen, wie sie zum Beispiel in der Luft-und Raumfahrt sowie im Automobilbau verwendet werden [4,5,6,7,8,9,10].…”
Section: Introductionunclassified