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Title Influence of adding copper on the properties of the 01970 alloy
Creator/Author Zakharov, V.V. ; Rostova, T.D. ; Fisenko, I.A.
Publication Date1992 May 01
OSTI IdentifierOSTI ID: 146928
Other Number(s)Journal ID: MHTRAN; ISSN 0026-0673
Resource TypeJournal Article
Resource RelationJournal: Metal Science and Heat Treatment; Journal Volume: 33; Journal Issue: 11-12; Other Information: PBD: May 1992; TN: Translated from Metallovedenie i Termicheskaya Obrabotka Metallov; No. 11, 12-13(Nov 1991)
Subject36 MATERIALS SCIENCE; ALUMINIUM ALLOYS; CRACKS; ZINC ALLOYS; MAGNESIUM ALLOYS; COPPER ADDITIONS; STRESS CORROSION; WELDING; METALLURGICAL EFFECTS; GRAIN ORIENTATION; MECHANICAL PROPERTIES; TENSILE PROPERTIES
Description/Abstract The 01970 alloy is a high strength weldable alloy of the Al-Zn-Mg system. A fundamental disadvantage of alloys within this system is their tendency to stress corrosion. Raising the resistance of Al-Zn-Mg alloys to stress corrosion may be achieved by supplementary alloying with copper. Adding copper at no more than tenths of 1% sharply increases the resistance of the alloys to stress corrosion. However, adding copper increases the tendency of Al-Zh-Mg alloys to cracking during welding, and at 0.3% Cu, the alloys are virtually unweldable. In this respect, the copper concentration in domestic and foreign industrial Al-Zn-Mg alloys is limited to 0.2%. 5 refs., 3 figs., 1 tab.
Country of PublicationUnited States
LanguageEnglish
FormatSize: pp. 901-904; Other: PL:
System Entry Date2004 Jul 13

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