A relationship between electrical conductivity and stress corrosion cracking (SCC) resistance of the 7,000-series Al-Zn-Mg alloys has been established, although only from the near-peak strength T6 temper to the overaged T73 tempered condition. The present work investigated whether this relationship exists for all periods of aging and for Al alloys with different compositions and grain structures.

Subject
Grain size, Precipitates, Magnesium alloys, Structures, Solid solutions, Commercial alloys, Elements, Aluminum alloys, Titanium alloys, Grain, Stress corrosion cracking, Conductivity, Aging
Keywords:
Al 7075, Al 7475, aluminum and aluminum alloys, conductivity, heat treatment, stress corrosion cracking
NACE International
1996
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