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Iron-based superelastic alloys with near-constant critical stress temperature dependence.

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Title: Iron-based superelastic alloys with near-constant critical stress temperature dependence.
Authors: Xia, Ji, Noguchi, Yuki, Xu, Xiao, Odaira, Takumi, Kimura, Yuta, Nagasako, Makoto, Omori, Toshihiro, Kainuma, Ryosuke
Source: Science (pre-March 2025). 8/14/2020, Vol. 369 Issue 6505, p855-858. 4p. 4 Diagrams.
Subjects: Shape memory alloys, Low temperatures, Chromium content of soils, Deformations (Mechanics), Alloys
Abstract: Shape memory alloys recover their original shape after deformation, making them useful for a variety of specialized applications. Superelastic behavior begins at the critical stress, which tends to increase with increasing temperature for metal shape memory alloys. Temperature dependence is a common feature that often restricts the use of metal shape memory alloys in applications. We discovered an iron-based superelastic alloy system in which the critical stress can be optimized. Our Fe-Mn-Al-Cr-Ni alloys have a controllable temperature dependence that goes from positive to negative, depending on the chromium content. This phenomenon includes a temperature-invariant stress dependence. This behavior is highly desirable for a range of outer space–based and other applications that involve large temperature fluctuations. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Iron-based superelastic alloys with near-constant critical stress temperature dependence.
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  Data: <searchLink fieldCode="AR" term="%22Xia%2C+Ji%22">Xia, Ji</searchLink><br /><searchLink fieldCode="AR" term="%22Noguchi%2C+Yuki%22">Noguchi, Yuki</searchLink><br /><searchLink fieldCode="AR" term="%22Xu%2C+Xiao%22">Xu, Xiao</searchLink><br /><searchLink fieldCode="AR" term="%22Odaira%2C+Takumi%22">Odaira, Takumi</searchLink><br /><searchLink fieldCode="AR" term="%22Kimura%2C+Yuta%22">Kimura, Yuta</searchLink><br /><searchLink fieldCode="AR" term="%22Nagasako%2C+Makoto%22">Nagasako, Makoto</searchLink><br /><searchLink fieldCode="AR" term="%22Omori%2C+Toshihiro%22">Omori, Toshihiro</searchLink><br /><searchLink fieldCode="AR" term="%22Kainuma%2C+Ryosuke%22">Kainuma, Ryosuke</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 8/14/2020, Vol. 369 Issue 6505, p855-858. 4p. 4 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Shape+memory+alloys%22">Shape memory alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Low+temperatures%22">Low temperatures</searchLink><br /><searchLink fieldCode="DE" term="%22Chromium+content+of+soils%22">Chromium content of soils</searchLink><br /><searchLink fieldCode="DE" term="%22Deformations+%28Mechanics%29%22">Deformations (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Alloys%22">Alloys</searchLink>
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  Label: Abstract
  Group: Ab
  Data: Shape memory alloys recover their original shape after deformation, making them useful for a variety of specialized applications. Superelastic behavior begins at the critical stress, which tends to increase with increasing temperature for metal shape memory alloys. Temperature dependence is a common feature that often restricts the use of metal shape memory alloys in applications. We discovered an iron-based superelastic alloy system in which the critical stress can be optimized. Our Fe-Mn-Al-Cr-Ni alloys have a controllable temperature dependence that goes from positive to negative, depending on the chromium content. This phenomenon includes a temperature-invariant stress dependence. This behavior is highly desirable for a range of outer space–based and other applications that involve large temperature fluctuations. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=145166080
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        Value: 10.1126/science.abc1590
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      – Code: eng
        Text: English
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        PageCount: 4
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        Type: general
      – SubjectFull: Low temperatures
        Type: general
      – SubjectFull: Chromium content of soils
        Type: general
      – SubjectFull: Deformations (Mechanics)
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              M: 08
              Text: 8/14/2020
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              Y: 2020
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