Conclusions
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1.
Ion-plasma treatment of the surface before final hardening heat treatment is an effective method of increasing the strength properties of spring alloys.
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2.
The character of the surface treatment providing the greatest hardening effect depends upon the mechanism of hardening of the alloy. In dispersion-hardening beryllium bronze the greatest hardening is obtained in bombardment of the part surface with argon ions before final aging, and in alloys hardened by subrecrystallization annealing with application to the part surface of a thin layer of titanium by spraying in a nitrogen atmosphere with subsequent annealing in this atmosphere.
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3.
Ion-plasma treatment may be used in the production operation for hardening treatment of critical elastic elements.
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Kabardin-Balkar State University. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 30–33, July, 1985.
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Tkhagapsoev, K.G., Larionova, O.A. & Berov, Z.Z. Influence of ion-plasma treatment on the properties of copper spring alloys. Met Sci Heat Treat 27, 513–517 (1985). https://doi.org/10.1007/BF00699582
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DOI: https://doi.org/10.1007/BF00699582