High-Temperature Strength of High-Purity Aluminum Alloyed with Various Elements

A derivatographic method is used to study the high-temperature strength of aluminum with a purity of 99.9999% and its alloys with magnesium, scandium, gadolinium, holmium, barium, and strontium. The degree of oxidation of high-purity aluminum and its alloys is determined depending on the temperature...

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Veröffentlicht in:	Metal science and heat treatment 2003-05, Vol.45 (5-6), p.174-176
Hauptverfasser:	Vakhobov, A V, Shchevelev, Y V
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloying elements Alloys Aluminum Aluminum base alloys Gadolinium Magnesium Magnesium base alloys Metallurgy Purity Strength
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Beschreibung
Zusammenfassung:	A derivatographic method is used to study the high-temperature strength of aluminum with a purity of 99.9999% and its alloys with magnesium, scandium, gadolinium, holmium, barium, and strontium. The degree of oxidation of high-purity aluminum and its alloys is determined depending on the temperature and the hold time. It is shown that the high-temperature strength of aluminum depends on its purity. The heat fastness threshold of high-purity aluminum is 580DGC as compared to 475DGC of commercial-purity aluminum.
ISSN:	0026-0673 1573-8973
DOI:	10.1023/A:1025991202462