Influence of electro-magnetic field treatment at the solidification process on mechanical properties of Ni–Al and Co–Cr–Al–Ni alloys

Nazarkin R.M., Konokotin S.P.
UDC
669.017
DOI
10.18577/2307-6046-2017-0-5-10-10
Article PDF (Russian) (1.36 MB)
How to cite
Nazarkin R.M., Konokotin S.P. Influence of electro-magnetic field treatment at the solidification process on mechanical properties of Ni–Al and Co–Cr–Al–Ni alloys // Proceedings of VIAM. 2017. No. 5. DOI: 10.18577/2307-6046-2017-0-5-10-10. URL: https://test.viam.ru/en/journal/2017/5/10
Abstract

The research of Ni–Al alloy and Co–Cr–Al–Ni–Y alloy are provided. Those alloys has tendency to the cold brittleness at the room temperature. The alloy of Ni–Al system and alloy of Co–Cr–Al–Ni–Y system were produced by the technique of electro-magnetic field treatment during equiaxal solidification. It is shown that Ni–Al alloy and Co–Cr–Al–Ni–Y alloy after the electro-magnetic field treatment of liquid metal during crystallization process the size of constituents are decreasing. In addition, the formation of crystallographic texture for researched alloys is detected. For Ni–Al alloy the linear dependence of impact hardness growth on increase of electro-magnetic field induction is identified. It is shown that using of the electro-magnetic field treatment at the crystallization process lead to significantly reduction of the weight loss after heat resistance testing for Ni–Al alloy samples. In addition, the change of phase structure of Ni–Al alloy which produced by electro-magnetic field

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