Pseudoelasticity at elevated temperatures in [001] oriented Co 49Ni21Ga30 single crystals under compression

Jayaram Dadda; H. J. Maier; I. Karaman; H. E. Karaca; Y. I. Chumlyakov

doi:10.1016/j.scriptamat.2006.07.005

Pseudoelasticity at elevated temperatures in [001] oriented Co ₄₉Ni₂₁Ga₃₀ single crystals under compression

Jayaram Dadda
, H. J. Maier
, I. Karaman
, H. E. Karaca
, Y. I. Chumlyakov

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

84 Scopus citations

Abstract

Pseudoelasticity as a function of temperature of as-grown Co ₄₉Ni₂₁Ga₃₀ [001] oriented single crystals was studied under compression. These alloys demonstrate a large pseudoelastic temperature range, greater than 385°C, with a maximum recoverable pseudoelastic strain of about 4%. We prov|%le[OK]ide an insight into the evolution of stress-strain behavior and corresponding stress-hysteresis with test temperatures, and the ramifications on the potential use of CoNiGa alloys as high temperature pseudoelastic alloys are presented.

Original language	English
Pages (from-to)	663-666
Number of pages	4
Journal	Scripta Materialia
Volume	55
Issue number	8
DOIs	https://doi.org/10.1016/j.scriptamat.2006.07.005
State	Published - Oct 2006

Bibliographical note

Funding Information:
The work presented in this paper was funded by the Deutsche Forschungsgemeinschaft, US Army Research Office, Contract No DAAD 19-02-1-0261, US National Science Foundation – Division of Materials Research, Contract No. 0244126, and the US Civilian Research and Development Foundation, Grant No. RE1-2525-TO-03.

Funding

The work presented in this paper was funded by the Deutsche Forschungsgemeinschaft, US Army Research Office, Contract No DAAD 19-02-1-0261, US National Science Foundation – Division of Materials Research, Contract No. 0244126, and the US Civilian Research and Development Foundation, Grant No. RE1-2525-TO-03.

Funders	Funder number
US Civilian Research and Development Foundation	RE1-2525-TO-03
National Science Foundation (NSF)
Division of Materials Research	0244126
Army Research Office	DAAD 19-02-1-0261
Deutsche Forschungsgemeinschaft

Keywords

CoNiGa
Microstructure
Pseudoelasticity
Shape memory alloy
Stress induced martensite

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

Access to Document

10.1016/j.scriptamat.2006.07.005

Cite this

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title = "Pseudoelasticity at elevated temperatures in [001] oriented Co 49Ni21Ga30 single crystals under compression",

abstract = "Pseudoelasticity as a function of temperature of as-grown Co 49Ni21Ga30 [001] oriented single crystals was studied under compression. These alloys demonstrate a large pseudoelastic temperature range, greater than 385°C, with a maximum recoverable pseudoelastic strain of about 4\%. We prov|\%le[OK]ide an insight into the evolution of stress-strain behavior and corresponding stress-hysteresis with test temperatures, and the ramifications on the potential use of CoNiGa alloys as high temperature pseudoelastic alloys are presented.",

keywords = "CoNiGa, Microstructure, Pseudoelasticity, Shape memory alloy, Stress induced martensite",

author = "Jayaram Dadda and Maier, \{H. J.\} and I. Karaman and Karaca, \{H. E.\} and Chumlyakov, \{Y. I.\}",

note = "Funding Information: The work presented in this paper was funded by the Deutsche Forschungsgemeinschaft, US Army Research Office, Contract No DAAD 19-02-1-0261, US National Science Foundation – Division of Materials Research, Contract No. 0244126, and the US Civilian Research and Development Foundation, Grant No. RE1-2525-TO-03.",

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AU - Dadda, Jayaram

AU - Maier, H. J.

AU - Karaman, I.

AU - Karaca, H. E.

AU - Chumlyakov, Y. I.

N1 - Funding Information: The work presented in this paper was funded by the Deutsche Forschungsgemeinschaft, US Army Research Office, Contract No DAAD 19-02-1-0261, US National Science Foundation – Division of Materials Research, Contract No. 0244126, and the US Civilian Research and Development Foundation, Grant No. RE1-2525-TO-03.

PY - 2006/10

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N2 - Pseudoelasticity as a function of temperature of as-grown Co 49Ni21Ga30 [001] oriented single crystals was studied under compression. These alloys demonstrate a large pseudoelastic temperature range, greater than 385°C, with a maximum recoverable pseudoelastic strain of about 4%. We prov|%le[OK]ide an insight into the evolution of stress-strain behavior and corresponding stress-hysteresis with test temperatures, and the ramifications on the potential use of CoNiGa alloys as high temperature pseudoelastic alloys are presented.

AB - Pseudoelasticity as a function of temperature of as-grown Co 49Ni21Ga30 [001] oriented single crystals was studied under compression. These alloys demonstrate a large pseudoelastic temperature range, greater than 385°C, with a maximum recoverable pseudoelastic strain of about 4%. We prov|%le[OK]ide an insight into the evolution of stress-strain behavior and corresponding stress-hysteresis with test temperatures, and the ramifications on the potential use of CoNiGa alloys as high temperature pseudoelastic alloys are presented.

KW - CoNiGa

KW - Microstructure

KW - Pseudoelasticity

KW - Shape memory alloy

KW - Stress induced martensite

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