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Zaštita materijala
2007, vol. 48, iss. 1, pp. 14-18
article language: Serbian
document type: Original Scientific Paper
published on: 03/12/2007
The temperature influence on stress corrosion cracking of aluminium alloys Al-Zn-Mg-Cu series
Chemical Power Sources Institute - IHIS, Belgrade

Abstract

The stress corrosion cracking of the aluminum alloy Al-Zn Mg-Cu (series 7000) was investigated by fracture mechanics method and slow strain rate test (SSRT). The influence of the corrosion environment temperature on the crack propagation rate was examined by fracture mechanics method. The activation energy value of the crack propagation rate process was determined. The stress corrosion resistance dependence on alloy heat treatment was investigated by slow strain rate test.

Keywords

aluminum alloys; stress corrosion cracking; stress corrosion testing; fracture mechanics method; slow strain rate test

References

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Sinjavskij, V.S., Valjkov, V.D., Kalinin, V.D. (1986) Korrozija i zaščita aluminijevih splavov. Moskva: Metallurgija
Speidel, M.O. (1975) Stress corrosion cracking of aluminum alloys. Metall. Trans, A, vol. 6A, str. 631-651
Ugianski, G.M., Payer, J.H., ur. (1979) Stress corrosion cracking: The slow strain rate technique, STP 665. Philadelphia: ASTM