Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying

The crystallization kinetics and structure evolution during annealing of the Ni(45.5)Co(4.5)Mn(36.6)In(13.4) (at. %) powders produced by mechanical alloying (MA) was investigated. After 70 h and 100 h of MA, the powder consisted of a mixture of amorphous and nanocrystalline body-centered cubic (bcc)...

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Autores principales: Matyja, Edyta, Prusik, Krystian, Zubko, Maciej, Świec, Paweł, Dercz, Grzegorz, Loskot, Jan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9865905/
https://www.ncbi.nlm.nih.gov/pubmed/36676381
http://dx.doi.org/10.3390/ma16020645
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author Matyja, Edyta
Prusik, Krystian
Zubko, Maciej
Świec, Paweł
Dercz, Grzegorz
Loskot, Jan
author_facet Matyja, Edyta
Prusik, Krystian
Zubko, Maciej
Świec, Paweł
Dercz, Grzegorz
Loskot, Jan
author_sort Matyja, Edyta
collection PubMed
description The crystallization kinetics and structure evolution during annealing of the Ni(45.5)Co(4.5)Mn(36.6)In(13.4) (at. %) powders produced by mechanical alloying (MA) was investigated. After 70 h and 100 h of MA, the powder consisted of a mixture of amorphous and nanocrystalline body-centered cubic (bcc) phases. We observed the relaxation in the as-received powder. The relaxation temperature (T(re)) increases logarithmically with the annealing time. Annealing above 440 °C results in (1) ordering of L2(1), (2) dissolution of the residual Ni and Mn, (3) tetragonal MnNi phase formation and (4) γ phases precipitation. The activation energies of the B2 → L2(1) and Mn (α-Mn) → MnNi (P4/mmm) transformations were calculated.
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spelling pubmed-98659052023-01-22 Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying Matyja, Edyta Prusik, Krystian Zubko, Maciej Świec, Paweł Dercz, Grzegorz Loskot, Jan Materials (Basel) Article The crystallization kinetics and structure evolution during annealing of the Ni(45.5)Co(4.5)Mn(36.6)In(13.4) (at. %) powders produced by mechanical alloying (MA) was investigated. After 70 h and 100 h of MA, the powder consisted of a mixture of amorphous and nanocrystalline body-centered cubic (bcc) phases. We observed the relaxation in the as-received powder. The relaxation temperature (T(re)) increases logarithmically with the annealing time. Annealing above 440 °C results in (1) ordering of L2(1), (2) dissolution of the residual Ni and Mn, (3) tetragonal MnNi phase formation and (4) γ phases precipitation. The activation energies of the B2 → L2(1) and Mn (α-Mn) → MnNi (P4/mmm) transformations were calculated. MDPI 2023-01-09 /pmc/articles/PMC9865905/ /pubmed/36676381 http://dx.doi.org/10.3390/ma16020645 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Matyja, Edyta
Prusik, Krystian
Zubko, Maciej
Świec, Paweł
Dercz, Grzegorz
Loskot, Jan
Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying
title Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying
title_full Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying
title_fullStr Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying
title_full_unstemmed Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying
title_short Crystallization Kinetics and Structure Evolution during Annealing of Ni-Co-Mn-In Powders Obtained by Mechanical Alloying
title_sort crystallization kinetics and structure evolution during annealing of ni-co-mn-in powders obtained by mechanical alloying
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9865905/
https://www.ncbi.nlm.nih.gov/pubmed/36676381
http://dx.doi.org/10.3390/ma16020645
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