Evaluation of the structure of monocrystalline Ni superalloys derived in different condi-tions ofdirectional solidification using methods of quantitative analysis of video images

Iskhodzhanova I.V., Bondarenko Yu.A., Lapteva M.A.
Iskhodzhanova I.V., Bondarenko Yu.A., Lapteva M.A. Evaluation of the structure of monocrystalline Ni superalloys derived in different condi-tions ofdirectional solidification using methods of quantitative analysis of video images // Proceedings of VIAM. 2015. No. 12. DOI: 10.18577/2307-6046-2015-0-12-6-6. URL: https://test.viam.ru/en/journal/2015/12/6
Keywords
quantitative analysis of video images, methods to assess the geometric characteristics and volume fraction, porosity, directional solidification.
Abstract

The article presents a research on development of methods to assess the geometric characteristics and volume fraction of porosity, the geometric characteristics and volume fraction of eutectic (γ-γ)ʹ-phase, and the geometric characteristics of particles of the hardening γʹ-phase in monocrystalline Ni superalloys ZhS32U-VI. The results of investigations on proposed methods of quantitative metallographic analysis of blanks from the ZhS32U-VI superalloy, derived by directional solidification from the melt in different temperature gradient are presented.

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