Investigations of the Kinetics of the Initial Stage of Growth of Guinier-Preston Zones in Al-Zn-Mg Alloys During Room Temperature Aging.

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作者：
Juergens, Gerhard
Kempe, Margret
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来源：
Neue Huette | 1976年 / 21卷 / 03期
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ALUMINUM METALLOGRAPHY;
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摘要：
Specimens of Al-Zn-Mg alloys containing 2 to 3 at. % Zn and 0. 11 to 3. 90 at. % Mg were used to determine the (mean) transport energies of the diffusing complexes during aging at 20 to 40 C via typical values in the time dependence of the modulus of elasticity. The results indicate that below a critical Mg/Zn ratio of 1/3, the behavior of the alloys resembles that of zinc but above that ratio it resembles that of magnesium. A mechanism is suggested.
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页码：166 / 168
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