Influence of the Cooling Rate on Austenite Ordering and Martensite Transformation in a Non-Stoichiometric Alloy Based on Ni-Mn-In-Reference-Cited by-同舟云学术

Influence of the Cooling Rate on Austenite Ordering and Martensite Transformation in a Non-Stoichiometric Alloy Based on Ni-Mn-In

Published:2023-12-11 Issue:12 Volume:7 Page:514
ISSN:2504-477X
Container-title:Journal of Composites Science
language:en
Short-container-title:J. Compos. Sci.

Author:

Kuznetsov Dmitriy¹^ORCID,Kuznetsova Elena²,Mashirov Alexey¹^ORCID,Danilov Denis³^ORCID,Shandryuk Georgiy⁴,Musabirov Irek⁵^ORCID,Shchetinin Igor⁶,Prokunin Alexey¹^ORCID,von Gratowski Svetlana¹^ORCID,Shavrov Vladimir¹

Affiliation:

1. Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, 125009 Moscow, Russia

2. M.N. Mikheev Institute of Metal Physics of Ural Branch of Russian Academy of Sciences, 620108 Ekaterinburg, Russia

3. IRC for Nanotechnology of the Science Park of St. Petersburg State University, 199034 St. Petersburg, Russia

4. A.V. Topchiev Institute of Petrochemical Synthesis of Russian Academy of Sciences, 119991 Moscow, Russia

5. Institute for Metals Superplasticity Problems of Russian Academy of Sciences, 450001 Ufa, Russia

6. Department of Physical Materials Science, National University of Science and Technology MISIS, 119049 Moscow, Russia

Abstract

The effect of the melt cooling rate on the atomic ordering of austenite and, as a consequence, on the martensitic transformation of a nonstoichiometric alloy of the Ni-Mn-In system has been studied. In situ TEM observations revealed differences in the mechanism of phase transformations of the alloy subjected to different cooling conditions. It is shown that during quenching a high density of antiphase boundaries (APB) is formed and the alloy is in the austenite–martensitic (10M and 14M) state up to a temperature of 120 K. In a slowly cooled alloy, a lower APB density is observed, and a two-stage transformation, L21/B2 → 10M → 14M, occurs in the range of 150–120 K.

Funder

Russian Science Foundation

Science Park of St. Petersburg State University

Russian Ministry of Education and Science

M.N. Mikheev Institute of Physics of Metals, Ural Branch of the Russian Academy of Sciences

Publisher

MDPI AG

Subject

Engineering (miscellaneous),Ceramics and Composites

Link

https://www.mdpi.com/2504-477X/7/12/514/pdf

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