NIOBIUM BASE INTERMETALLIDE ALLOY

FIELD: metallurgy, namely heat resistant intermetallide Nb-Al base alloys for making parts of air crafts and space vehicles. ^ SUBSTANCE: intermetallide alloy is used for making parts operating at temperature up to 1600°C. Nb-Al base alloy contains niobium, aluminum, tungsten, tantalum and in additi...

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Bibliographische Detailangaben
Hauptverfasser:	LOGACHEVA A.I, TIMOFEEV A.N, RAZUMOVSKIJ I.M, LOGACHEV A.V, VOROB'EVA S.A, LOGUNOV A.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	FIELD: metallurgy, namely heat resistant intermetallide Nb-Al base alloys for making parts of air crafts and space vehicles. ^ SUBSTANCE: intermetallide alloy is used for making parts operating at temperature up to 1600°C. Nb-Al base alloy contains niobium, aluminum, tungsten, tantalum and in addition chrome, silicon, yttrium, lanthanum, cerium at next relation of ingredients, mass %: chrome, 1.0 - 10.0; aluminum, 14.0 - 20.0; tungsten, 1.0 - 15.0; tantalum, 1,0 - 15.0; silicon, 0.1 - 5.0; yttrium, 0.003 - 0.1 ; lanthanum, 0.001 - 0.1; cerium, 0.003 - 0.1; niobium, the balance. ^ EFFECT: enhanced heat resistance and refractoriness of alloy. ^ 2 tbl