Conclusions
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1.
The decrement of vibrations of wrought aluminum is lower than that of magnesium, and amounts to 0.01 at an amplitude of 2.9·10−4.
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2.
Alloying reduces the damping capacity of aluminum. A sharp reduction of the decrement with alloying and a low level of the decrement (0.001) are characteristic of systems with relatively high solubility of the components and a substantial increase of hardness due to alloying.
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3.
For systems with low solubility of the components the decrement decreases negligibly with alloying and has a higher value (0.002–0.005).
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Literature cited
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Additional information
A. A. Baikov Institute of Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 67–69, October, 1971.
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Drits, M.E., Rokhlin, L.L. & Ryuchina, G.V. The damping capacity of wrought aluminum alloys. Met Sci Heat Treat 13, 878–880 (1971). https://doi.org/10.1007/BF00713831
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DOI: https://doi.org/10.1007/BF00713831