Conclusions
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1.
The addition of magnesium to bronzes OF6.5-0.15 and KMts3-1 in amounts of 0.1 and 0.2% respectively substantially increases their resistance to small plastic deformation, particularly under long-term static and cyclic stress.
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2.
The effect of magnesium is due to its surface activity in copper-base alloys. The adsorption of magnesium on internal surfaces sharply inhibits grain growth, resulting in a fine-grained structure, and also induces the formation of segregates at defects in the crystal structure.
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Literature cited
Kh. G. Tkhagapsoev et al., Metal. i Term. Obrabotka Metal., No. 2 (1970).
Additional information
N. É. Bauman Moscow Technical College. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 42–43, November, 1971.
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Grischenko, V.G., Golovchanskii, B.V., Ivanova, T.A. et al. Effect of microadditions of magnesium on the properties of cold-worked spring bronzes. Met Sci Heat Treat 13, 939–941 (1971). https://doi.org/10.1007/BF00650550
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DOI: https://doi.org/10.1007/BF00650550