Conclusions
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1.
The effect of alloying elements Ti, Zr, Mo, and B on the properties of Al-9.5% Mg was tested in tension with impact loads.
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2.
The reason for the high susceptibility of Al−Mg alloys to cracking was investigated with the IMASh-5S-65 machine. Additions of titanium, zirconium, and molybdenum in amounts resulting in the formation of excess intermetallic phases lead to cracking, since the excess phase serves as the source of microcracks with small degrees of plastic deformation (1–2%).
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3.
The tendency of the alloys to ductile failure is best determined from the fracture toughness.
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Literature cited
N. N. Belousov et al., in: New Cast Aluminum Alloys [in Russian], Seriya Liteinoe Proizvodstvo i Metallovedenie, LDNTP (1964).
M. F. Nikitina and V. G. Antashev, Trudy MATI, No. 63 (1965).
A. M. Korol'kov et al., in: Light Alloys and Methods of Treating Them [in Russian], Nauka, Moscow (1968).
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 6–8, May, 1971
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Petrova, É.N., Gerasimova, L.P. & Korol'kov, A.M. Properties of Al-9.5% Mg alloys with Ti, Zr, Mo, and B in tension with impact loads. Met Sci Heat Treat 13, 353–355 (1971). https://doi.org/10.1007/BF00652432
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DOI: https://doi.org/10.1007/BF00652432