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COLD-ROLLING EFFECT ON LOW-FREQUENCY DAMPING PROPERTIES OF AZ31 MAGNESIUM ALLOY PLATE AT MODERATELY HIGH TEMPERATURE.

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Title: COLD-ROLLING EFFECT ON LOW-FREQUENCY DAMPING PROPERTIES OF AZ31 MAGNESIUM ALLOY PLATE AT MODERATELY HIGH TEMPERATURE.
Authors: CHANG, SHIH-HANG1 shchang@niu.edu.tw
Source: Archives of Metallurgy & Materials. 2026, Vol. 71 Issue 1, p151-156. 6p.
Subjects: Cold rolling, Damping (Mechanics), Magnesium alloys, Crystal grain boundaries, Strains & stresses (Mechanics), Vibration isolation, Dynamic mechanical analysis
Abstract: This study investigated the influence of cold-rolling on the damping capacity of the hot-extruded AZ31 alloy plate. The damping capacity of the hot-extruded and the cold-rolled AZ31 alloy plates were measured by a dynamic mechanical analysis with a single cantilever from 0°C to 250°C at a constant heating rate. Experimental results demonstrated increased damping capacity, which is evident in both the P2 peak and the high-temperature damping background (HTDB). The activation energy of the HTDB decreased from 2.01 eV to 0.91 eV after cold-rolling. This reduction suggests that the cold-rolling process accelerates grain boundary diffusion, promoting creep deformation at elevated temperatures. While cold-rolling enhances the HTDB damping capacity of the AZ31 alloy plate, it concurrently compromises its creep resistance at moderately high temperatures (100°C to 250°C). Therefore, for engineering applications of AZ31 alloy plates within this temperature range, careful consideration of this trade-off between improved damping and diminished creep resistance is crucial. [ABSTRACT FROM AUTHOR]
Copyright of Archives of Metallurgy & Materials is the property of Polish Academy of Sciences 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: Engineering Source
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  Data: COLD-ROLLING EFFECT ON LOW-FREQUENCY DAMPING PROPERTIES OF AZ31 MAGNESIUM ALLOY PLATE AT MODERATELY HIGH TEMPERATURE.
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  Data: <searchLink fieldCode="AR" term="%22CHANG%2C+SHIH-HANG%22">CHANG, SHIH-HANG</searchLink><relatesTo>1</relatesTo><i> shchang@niu.edu.tw</i>
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  Data: <searchLink fieldCode="JN" term="%22Archives+of+Metallurgy+%26+Materials%22">Archives of Metallurgy & Materials</searchLink>. 2026, Vol. 71 Issue 1, p151-156. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Cold+rolling%22">Cold rolling</searchLink><br /><searchLink fieldCode="DE" term="%22Damping+%28Mechanics%29%22">Damping (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Magnesium+alloys%22">Magnesium alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+grain+boundaries%22">Crystal grain boundaries</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Vibration+isolation%22">Vibration isolation</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+mechanical+analysis%22">Dynamic mechanical analysis</searchLink>
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  Label: Abstract
  Group: Ab
  Data: This study investigated the influence of cold-rolling on the damping capacity of the hot-extruded AZ31 alloy plate. The damping capacity of the hot-extruded and the cold-rolled AZ31 alloy plates were measured by a dynamic mechanical analysis with a single cantilever from 0°C to 250°C at a constant heating rate. Experimental results demonstrated increased damping capacity, which is evident in both the P2 peak and the high-temperature damping background (HTDB). The activation energy of the HTDB decreased from 2.01 eV to 0.91 eV after cold-rolling. This reduction suggests that the cold-rolling process accelerates grain boundary diffusion, promoting creep deformation at elevated temperatures. While cold-rolling enhances the HTDB damping capacity of the AZ31 alloy plate, it concurrently compromises its creep resistance at moderately high temperatures (100°C to 250°C). Therefore, for engineering applications of AZ31 alloy plates within this temperature range, careful consideration of this trade-off between improved damping and diminished creep resistance is crucial. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Archives of Metallurgy & Materials is the property of Polish Academy of Sciences 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.)
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        Value: 10.24425/amm.2026.157777
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 151
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      – SubjectFull: Cold rolling
        Type: general
      – SubjectFull: Damping (Mechanics)
        Type: general
      – SubjectFull: Magnesium alloys
        Type: general
      – SubjectFull: Crystal grain boundaries
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      – SubjectFull: Strains & stresses (Mechanics)
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      – SubjectFull: Vibration isolation
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      – SubjectFull: Dynamic mechanical analysis
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      – TitleFull: COLD-ROLLING EFFECT ON LOW-FREQUENCY DAMPING PROPERTIES OF AZ31 MAGNESIUM ALLOY PLATE AT MODERATELY HIGH TEMPERATURE.
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            – D: 01
              M: 01
              Text: 2026
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              Y: 2026
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