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Martensitic phase transformation in rapidly solidified Mn50Ni40In10 alloy ribbons

Heusler alloy Mn50Ni40In10 was produced as preferentially textured ribbon flakes by melt spinning, finding the existence of martensitic-austenic transformation with both phases exhibiting ferromagnetic ordering. A microcrystalline three-layered microstructure of ordered columnar grains grown perpendicularly to ribbon plane was formed between two thin layers of smaller grains. The characteristic temperatures of the martensitic transformation were MS=213 K, Mf=173 K, AS=222 K, and Af=243 K. Austenite phase shows a cubic L21 structure (a=0.6013(3) nm at 298 K and a Curie point of 311 K), transforming into a modulated fourteen-layer modulation monoclinic martensite

American Institute of Physics

Author: Sánchez Llamazares, José Luis
Sánchez Fernández, Tatiana
Santos Rodríguez, Jesús Daniel
Pérez Fernández, María José
Sánchez Rodríguez, M. Luisa
Hernando, Blanca
Escoda i Acero, Ma. Lluïsa
Suñol Martínez, Joan Josep
Varga, Rastislav
Abstract: Heusler alloy Mn50Ni40In10 was produced as preferentially textured ribbon flakes by melt spinning, finding the existence of martensitic-austenic transformation with both phases exhibiting ferromagnetic ordering. A microcrystalline three-layered microstructure of ordered columnar grains grown perpendicularly to ribbon plane was formed between two thin layers of smaller grains. The characteristic temperatures of the martensitic transformation were MS=213 K, Mf=173 K, AS=222 K, and Af=243 K. Austenite phase shows a cubic L21 structure (a=0.6013(3) nm at 298 K and a Curie point of 311 K), transforming into a modulated fourteen-layer modulation monoclinic martensite
Document access: http://hdl.handle.net/2072/294930
Language: eng
Publisher: American Institute of Physics
Rights: Tots els drets reservats
Subject: Aliatges
Alloys
Microestructura
Microstructure
Transformacions martensítiques
Martensitic transformations
Title: Martensitic phase transformation in rapidly solidified Mn50Ni40In10 alloy ribbons
Type: info:eu-repo/semantics/article
Repository: Recercat

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