Paper Titles
Isothermal High Damping in Shape Memory Alloys
p.25
Effect of Heat Treatments on the Damping Characteristics of TiNi-Based Shape Memory Alloys
p.33
Internal Friction of Hydrogenated Ti (Ni,Cu) Shape Memory Alloys
p.39
Amplitude Dependent Internal Friction of CuAlMn Shape Memory Alloys
p.45
Internal Friction of Fe-Mn-Si-Based Shape Memory Alloys Containing Nb and C and Their Application as a Seismic Damping Material
p.53
Effect of Thermal Cycling (γ<->ε) on Martensitic Transformation Kinetics and Damping Capacity of Fe –17mass%Mn Alloy
p.59
Susceptibility of Damping Behavior to the Solidification Condition in the As-Cast M2052 High-Damping Alloy
p.67
Effect of Chromium Addition on Damping Capacity, Mechanical Property, and Corrosion Resistance of Fe-18%Mn Alloy
p.73
Different Damping Dependences on Volume Fractions of Thermal and Deformation-Induced ε Martensites in an Fe-Mn Alloy
p.79

Internal Friction of Fe-Mn-Si-Based Shape Memory Alloys Containing Nb and C and Their Application as a Seismic Damping Material

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Abstract:

The damping behavior of an Fe-28Mn-6Si-5Cr-0.5NbC (mass%) shape memory alloy was measured by low cycle fatigue tests during tension-compression loadings. A remarkable damping capacity was observed above the strain amplitude of 0.1%, and the specific damping capacity (SDC) parameter reached saturation at ~ 80% above 0.4%. The reversible motion of the γ/ε interfaces is considered to dominate the cyclic deformation behavior, while the work hardening during tension-compression loading is negligible. These characteristics are favorable for seismic damping devices that protect civil structures from earthquakes.

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Periodical:

Key Engineering Materials (Volume 319)

Pages:

53-58

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.319.53

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Online since:

September 2006

Authors:

Takahiro Sawaguchi, Takehiko Kikuchi, Kazuyuki Ogawa, Fu Xing Yin, Setsuo Kajiwara, Atsumichi Kushibe, Takatoshi Ogawa

Keywords:

Low Cycle Fatigue, Martensitic Phase Transformation, Seismic Damping, Shape Memory Alloy Actuator, X-Ray Diffraction (XRD)

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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