The effect of thermomechanical and heat treatment parameters on structure and mechanical properties of superalloy VZH177

Buyakina A.A., Letnikov M.N., Bakradze M.M., Shugaev S.A.
UDC
669.245:669.018.44
DOI
10.18577/2307-6046-2016-0-10-2-2
Article PDF (Russian) (997.26 KB)
How to cite
Buyakina A.A., Letnikov M.N., Bakradze M.M., Shugaev S.A. The effect of thermomechanical and heat treatment parameters on structure and mechanical properties of superalloy VZH177 // Proceedings of VIAM. 2016. No. 10. DOI: 10.18577/2307-6046-2016-0-10-2-2. URL: https://test.viam.ru/en/journal/2016/10/2
Keywords
Ni-base superalloy, homogenizing, isothermal forging, heat treatment, mechanical properties.
Abstract

The effect of parameters of thermomechanical and heat treatment on microstructure and phase composition change of alloy at all the stages of flat forgings production of new superalloy VG177 including ingot homogenization, isothermal forging and heat treatment is studied. The comparative tests results of tensile strength, impact strength and high-temperature strength are presented. The effect of long high temperature exposures simulating operation time on microstructure and mechanical properties of the item is investigated.

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