Microstructure and Mechanical Properties of Annealed Quinary Ni-Mn-Sn-Fe-In Heusler Alloy

Sandeep S. Nambiar; B. R.N. Murthy; Sathyashankara Sharma; A. A. Prasanna; Arout J. Chelvane

doi:10.30919/es8d632

Microstructure and Mechanical Properties of Annealed Quinary Ni-Mn-Sn-Fe-In Heusler Alloy

Sandeep S. Nambiar, B. R.N. Murthy^*, Sathyashankara Sharma, A. A. Prasanna, Arout J. Chelvane

^*Corresponding author for this work

Department of Mechanical & Industrial Engineering Manipal Institute of Technology, Manipal

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The tuning of Heusler alloys with respect to the stoichiometry and their effect on martensitic transformation have been investigated very little by various researchers. Thus, the effect of change in ferrous (Fe) concentration of the alloys and its effect on mechanical and magnetocaloric properties of Ni_50-xFe_xMn₃₀Sn_20-yIn_y alloys were investigated where Fe was varied from x= 1, 2, 3 and 4 to find its significance. An increase of Fe concentration to Fe₄ leads to a considerable improvement in the alloy's mechanical properties and crystal structure. Compressive strength of the alloy rose by 123% for Fe₄ substitution. When comparing the identical materials with and without Fe addition, the ultimate stress (US) and ductility are improved by 124 and 200%, respectively, while toughness rises by 48 times. The Fe concentration variation also enabled a martensitic transformation in 36.8 to 19.83 °C range of refrigerator applications.

Original language	English
Pages (from-to)	303-308
Number of pages	6
Journal	Engineered Science
Volume	17
DOIs	https://doi.org/10.30919/es8d632
Publication status	Published - 2022

All Science Journal Classification (ASJC) codes

General Engineering
Physical and Theoretical Chemistry
Chemistry (miscellaneous)
General Materials Science
Energy Engineering and Power Technology
Artificial Intelligence
Applied Mathematics

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title = "Microstructure and Mechanical Properties of Annealed Quinary Ni-Mn-Sn-Fe-In Heusler Alloy",

abstract = "The tuning of Heusler alloys with respect to the stoichiometry and their effect on martensitic transformation have been investigated very little by various researchers. Thus, the effect of change in ferrous (Fe) concentration of the alloys and its effect on mechanical and magnetocaloric properties of Ni50-xFexMn30Sn20-yIny alloys were investigated where Fe was varied from x= 1, 2, 3 and 4 to find its significance. An increase of Fe concentration to Fe4 leads to a considerable improvement in the alloy's mechanical properties and crystal structure. Compressive strength of the alloy rose by 123% for Fe4 substitution. When comparing the identical materials with and without Fe addition, the ultimate stress (US) and ductility are improved by 124 and 200%, respectively, while toughness rises by 48 times. The Fe concentration variation also enabled a martensitic transformation in 36.8 to 19.83 °C range of refrigerator applications.",

author = "Nambiar, {Sandeep S.} and Murthy, {B. R.N.} and Sathyashankara Sharma and Prasanna, {A. A.} and Chelvane, {Arout J.}",

note = "Funding Information: This work was carried out with making use of facilities at Indian Institute of Science (IISC, Bengaluru, India) and Defence Metallurgical Research Laboratory, Hyderabad, India. Publisher Copyright: {\textcopyright} Engineered Science Publisher LLC 2022",

year = "2022",

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AU - Nambiar, Sandeep S.

AU - Murthy, B. R.N.

AU - Sharma, Sathyashankara

AU - Prasanna, A. A.

AU - Chelvane, Arout J.

N1 - Funding Information: This work was carried out with making use of facilities at Indian Institute of Science (IISC, Bengaluru, India) and Defence Metallurgical Research Laboratory, Hyderabad, India. Publisher Copyright: © Engineered Science Publisher LLC 2022

PY - 2022

Y1 - 2022

N2 - The tuning of Heusler alloys with respect to the stoichiometry and their effect on martensitic transformation have been investigated very little by various researchers. Thus, the effect of change in ferrous (Fe) concentration of the alloys and its effect on mechanical and magnetocaloric properties of Ni50-xFexMn30Sn20-yIny alloys were investigated where Fe was varied from x= 1, 2, 3 and 4 to find its significance. An increase of Fe concentration to Fe4 leads to a considerable improvement in the alloy's mechanical properties and crystal structure. Compressive strength of the alloy rose by 123% for Fe4 substitution. When comparing the identical materials with and without Fe addition, the ultimate stress (US) and ductility are improved by 124 and 200%, respectively, while toughness rises by 48 times. The Fe concentration variation also enabled a martensitic transformation in 36.8 to 19.83 °C range of refrigerator applications.

AB - The tuning of Heusler alloys with respect to the stoichiometry and their effect on martensitic transformation have been investigated very little by various researchers. Thus, the effect of change in ferrous (Fe) concentration of the alloys and its effect on mechanical and magnetocaloric properties of Ni50-xFexMn30Sn20-yIny alloys were investigated where Fe was varied from x= 1, 2, 3 and 4 to find its significance. An increase of Fe concentration to Fe4 leads to a considerable improvement in the alloy's mechanical properties and crystal structure. Compressive strength of the alloy rose by 123% for Fe4 substitution. When comparing the identical materials with and without Fe addition, the ultimate stress (US) and ductility are improved by 124 and 200%, respectively, while toughness rises by 48 times. The Fe concentration variation also enabled a martensitic transformation in 36.8 to 19.83 °C range of refrigerator applications.

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Microstructure and Mechanical Properties of Annealed Quinary Ni-Mn-Sn-Fe-In Heusler Alloy

Abstract

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