Impact of Cooling Character on Structure and CTE of Invar Alloy with 0.6%C

A.S. Zhilin; S.V. Grachev; S.M. Nikiforova

doi:10.4028/www.scientific.net/SSP.265.807

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HomeSolid State PhenomenaSolid State Phenomena Vol. 265Impact of Cooling Character on Structure and CTE...

Impact of Cooling Character on Structure and CTE of Invar Alloy with 0.6%C

Abstract:

Metallography analysis of invar alloys crystallized with different cooling rates has been carried out. The study has demonstrated that velocity of crystallization has an impact on the dispersity of graphite. The higher velocity of cooling, the more dispersive graphite is. The volume percentage of graphite in alloy, crystallized with high cooling rate, is lower than compared with low cooling rate. Crystallization with low cooling rate leads to the reduction of the amount of carbon into γ-phase. The coefficient of thermal expansion is basically depends on the amount of carbon into γ-phase.

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Periodical:

Solid State Phenomena (Volume 265)

Pages:

807-810

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.265.807

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Online since:

September 2017

Authors:

A.S. Zhilin*, S.V. Grachev, S.M. Nikiforova

Keywords:

Alloying, Carbon, Coefficient of Thermal Expansion, Crystallization, Graphite, Invar, γ-Phase

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DOI: 10.1007/s11041-013-9591-y

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