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Effect of Hf Doping of Commercially Pure Copper on Evolution of its Microstructure under High Pressure Torsion
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About Impact Strength and Thermal Properties of Steel Melts
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About Impact Strength and Thermal Properties of Steel Melts

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Abstract:

The comparable study of the structure and structure-sensitive properties of the melt of steel 08H15N5D2T and two melts prepared by electro-slag re-melting (ESR) and vacuum-arc re-melting (VAR) of the steel has been carried out. The temperature dependences have been obtained for the kinematic viscosity, density, surface tension, electrical resistance, and magnetic susceptibility. The short-range structural order of the ESR and VAR melts has been studied by direct diffraction methods. The connection between the method of re-melting and the level of impact strength (KCU) has been established. The reasons for the appearance of the difference in the structure and properties of ESR and VAR steel are discussed.

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Periodical:

Solid State Phenomena (Volume 299)

Pages:

430-435

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.299.430

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Online since:

January 2020

Authors:

Tat’ana M. Makhneva*, Vyacheslav B. Dementyev, Sergey S. Makarov

Keywords:

Impact Strength, Maraging Steel, Melt, Melt Structure-Sensitive Properties, Structure

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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