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Title: Magnetic field-induced phase transformation in NiMnCoIn magnetic shape memory alloys - a new actuation mechanism with large work output.

Abstract

Magnetic shape memory alloys (MSMAs) have recently been developed into a new class of functional materials that are capable of magnetic-field-induced actuation, mechanical sensing, magnetic refrigeration, and energy harvesting. In the present work, the magnetic field-induced martensitic phase transformation (FIPT) in Ni{sub 45}Mn{sub 36.5}Co{sub 5}In{sub 13.5} MSMA single crystals is characterized as a new actuation mechanism with potential to result in ultra-high actuation work outputs. The effects of the applied magnetic field on the transformation temperatures, magnetization, and superelastic response are investigated. The magnetic work output of NiMnCoIn alloys is determined to be more than 1 MJ m{sup -3} per Tesla, which is one order of magnitude higher than that of the most well-known MSMAs, i.e., NiMnGa alloys. In addition, the work output of NiMnCoIn alloys is orientation independent, potentially surpassing the need for single crystals, and not limited by a saturation magnetic field, as opposed to NiMnGa MSMAs. Experimental and theoretical transformation strains and magnetostress levels are determined as a function of crystal orientation. It is found that [111]-oriented crystals can demonstrate a magnetostress level of 140 MPa T{sup -1} with 1.2% axial strain under compression. These field-induced stress and strain levels are significantly higher than those from existingmore » piezoelectric and magnetostrictive actuators. A thermodynamical framework is introduced to comprehend the magnetic energy contributions during FIPT. The present work reveals that the magnetic FIPT mechanism is promising for magnetic actuation applications and provides new opportunities for applications requiring high actuation work-outputs with relatively large actuation frequencies. One potential issue is the requirement for relatively high critical magnetic fields and field intervals (1.5-3 T) for the onset of FIPT and for reversible FIPT, respectively.« less

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF); SUF-USR; US Army Research Office (ARO); Division of Civil, Mechanical and Manufacturing Innovation; German Research Foundation (DFG)
OSTI Identifier:
952936
Report Number(s):
ANL/XSD/JA-63815
Journal ID: ISSN 1616-301X; TRN: US200914%%80
DOE Contract Number:  
DE-AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Adv. Funct. Mater.
Additional Journal Information:
Journal Volume: 19; Journal Issue: 7 ; Apr. 9, 2009; Journal ID: ISSN 1616-301X
Country of Publication:
United States
Language:
ENGLISH
Subject:
36 MATERIALS SCIENCE; ACTUATORS; NICKEL ALLOYS; MANGANESE ALLOYS; COBALT ALLOYS; INDIUM ALLOYS; SHAPE MEMORY EFFECT; PHASE TRANSFORMATIONS; MAGNETIC FIELDS

Citation Formats

Karaca, H E, Karaman, I, Basaran, B, Ren, Y, Chumlyakov, Y I, Maier, H J, X-Ray Science Division, Texsas A&M Univ., Univ. of Kentucky, Siberian Physical-Technical Inst., and Univ. of Paderborn. Magnetic field-induced phase transformation in NiMnCoIn magnetic shape memory alloys - a new actuation mechanism with large work output.. United States: N. p., 2009. Web. doi:10.1002/adfm.200801322.
Karaca, H E, Karaman, I, Basaran, B, Ren, Y, Chumlyakov, Y I, Maier, H J, X-Ray Science Division, Texsas A&M Univ., Univ. of Kentucky, Siberian Physical-Technical Inst., & Univ. of Paderborn. Magnetic field-induced phase transformation in NiMnCoIn magnetic shape memory alloys - a new actuation mechanism with large work output.. United States. doi:10.1002/adfm.200801322.
Karaca, H E, Karaman, I, Basaran, B, Ren, Y, Chumlyakov, Y I, Maier, H J, X-Ray Science Division, Texsas A&M Univ., Univ. of Kentucky, Siberian Physical-Technical Inst., and Univ. of Paderborn. Thu . "Magnetic field-induced phase transformation in NiMnCoIn magnetic shape memory alloys - a new actuation mechanism with large work output.". United States. doi:10.1002/adfm.200801322.
@article{osti_952936,
title = {Magnetic field-induced phase transformation in NiMnCoIn magnetic shape memory alloys - a new actuation mechanism with large work output.},
author = {Karaca, H E and Karaman, I and Basaran, B and Ren, Y and Chumlyakov, Y I and Maier, H J and X-Ray Science Division and Texsas A&M Univ. and Univ. of Kentucky and Siberian Physical-Technical Inst. and Univ. of Paderborn},
abstractNote = {Magnetic shape memory alloys (MSMAs) have recently been developed into a new class of functional materials that are capable of magnetic-field-induced actuation, mechanical sensing, magnetic refrigeration, and energy harvesting. In the present work, the magnetic field-induced martensitic phase transformation (FIPT) in Ni{sub 45}Mn{sub 36.5}Co{sub 5}In{sub 13.5} MSMA single crystals is characterized as a new actuation mechanism with potential to result in ultra-high actuation work outputs. The effects of the applied magnetic field on the transformation temperatures, magnetization, and superelastic response are investigated. The magnetic work output of NiMnCoIn alloys is determined to be more than 1 MJ m{sup -3} per Tesla, which is one order of magnitude higher than that of the most well-known MSMAs, i.e., NiMnGa alloys. In addition, the work output of NiMnCoIn alloys is orientation independent, potentially surpassing the need for single crystals, and not limited by a saturation magnetic field, as opposed to NiMnGa MSMAs. Experimental and theoretical transformation strains and magnetostress levels are determined as a function of crystal orientation. It is found that [111]-oriented crystals can demonstrate a magnetostress level of 140 MPa T{sup -1} with 1.2% axial strain under compression. These field-induced stress and strain levels are significantly higher than those from existing piezoelectric and magnetostrictive actuators. A thermodynamical framework is introduced to comprehend the magnetic energy contributions during FIPT. The present work reveals that the magnetic FIPT mechanism is promising for magnetic actuation applications and provides new opportunities for applications requiring high actuation work-outputs with relatively large actuation frequencies. One potential issue is the requirement for relatively high critical magnetic fields and field intervals (1.5-3 T) for the onset of FIPT and for reversible FIPT, respectively.},
doi = {10.1002/adfm.200801322},
journal = {Adv. Funct. Mater.},
issn = {1616-301X},
number = 7 ; Apr. 9, 2009,
volume = 19,
place = {United States},
year = {2009},
month = {4}
}