A 2xxx aluminum alloy crept at medium temperature: role of thermal activation on dislocation mechanisms

The corrosion mechanisms for different corrosive media on the aged 7A46 aluminum alloy were systematically investigated at nanoscale level. The combination of empirical intergranular and exfoliation corrosion behavior was employed, and coupled with first-principles calculations. Results revealed that the dispersed distribution of matrix precipitates (MPs) leads to the enhancement of the corrosion resistance pre-ageing (PA) followed by double-ageing (PA-DA) alloy. The deepest corrosion depth of PA-DA alloy was in hydrochloric acid, and the calculation result demonstrates that the passivation effect in combination with the accumulation of corrosion products in nitric acid protect the PA-DA alloy from further corrosion.

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The Role of Zinc Phosphate Pigment in the Anticorrosion Properties of Bisphenol A Diglycidyl Ether-Polyaminoamide Coating for Aluminum Alloy AA2024-T3

Journal of Bio- and Tribo-Corrosion ◽

10.1007/s40735-018-0200-x ◽

2018 ◽

Vol 5 (1) ◽

Cited By ~ 12

Author(s):

O. Dagdag ◽

A. El Harfi ◽

L. El Gana ◽

Z. Hlimi ◽

H. Erramli ◽

...

Keyword(s):

Aluminum Alloy ◽

Bisphenol A ◽

Zinc Phosphate ◽

Diglycidyl Ether ◽

Bisphenol A Diglycidyl Ether ◽

Anticorrosion Properties

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ChemInform Abstract: The Role of Indium in the Activation of Aluminum Alloy Galvanic Anodes

ChemInform ◽

10.1002/chin.201642212 ◽

2016 ◽

Vol 47 (42) ◽

Author(s):

M. Pourgharibshahi ◽

P. Lambert

Keyword(s):

Aluminum Alloy

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Intimal Protection of Bypass-Veins During Intraoperative Storage in Blood or Euro-Collins-Solution: The Role of Medium, Temperature, and Time

The Thoracic and Cardiovascular Surgeon ◽

10.1055/s-2007-1014010 ◽

1990 ◽

Vol 38 (03) ◽

pp. 151-156 ◽

Cited By ~ 7

Author(s):

R. Wagner

Keyword(s):

Medium Temperature

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Self-affine Fracture Surface Parameters and Their Relationship with Microstructure in a Cast Aluminum Alloy

Journal of Materials Research ◽

10.1557/jmr.2002.0191 ◽

2002 ◽

Vol 17 (6) ◽

pp. 1276-1282 ◽

Cited By ~ 11

Author(s):

M. Hinojosa ◽

J. Aldaco

Keyword(s):

Aluminum Alloy ◽

Fracture Surface ◽

The Self ◽

Cast Aluminum Alloy ◽

Cast Aluminum ◽

Force Microscopy ◽

Fracture Surfaces ◽

Atomic Force ◽

Roughness Exponent

The possible role of microstructural features in determining the self-affinity of the fracture surface of a cast aluminum alloy is explored in this work. Fracture surfaces generated both in tension and impact tests were topometrically analyzed by atomic force microscopy, scanning electron microscopy, and stylus profilometry. The roughness exponent exhibited the “universal” value ζ ≈ 0.78, and the correlation length ζ was of the order of the grain size. The brittle intermetallic compounds known to be important in crack initiation did not show any correlation with the self-affine parameters of the resulting fracture surfaces in this particular case.

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