TY - JOUR
T1 - Magnetomechanical damping capacity of Tb0.36Dy 0.64(Fe1-xTx)2 (T=Co, Mn) alloys
AU - Ma, Tianyu
AU - Jiang, Chengbao
AU - Xiao, Fu
AU - Yu, Liming
AU - Xu, Huibin
AU - Pei, Yongmao
AU - Fang, Daining
PY - 2006
Y1 - 2006
N2 - The magnetomechanical damping capacity of the giant magnetostrictive Tb0.36Dy0.64(Fe1-xTx)2 (x =0, 0.05, 0.10; T=Mn or Co) alloys has been calculated from quasistatic strain-stress hysteresis loops at room temperature. Stress ranges from 0 to 10, 20, 30, and 50 MPa were used in a series of applied fields between 0 and 3250 Oe. The largest damping capacities were obtained at zero field with values of 1.14 for Tb0.36Dy0.64Fe2, 1.62 for Tb 0.36Dy0.64(Fe0.95Mn0.05) 2, and 1.84 for Tb0.36Dy0.64(Fe 0.90Co0.10)2, respectively. In low fields, the damping capacity ΔW/W decreases drastically with the applied stress and magnetic field. However, in higher fields, Δ W/W decreases slightly with the magnetic field but only increases slightly with the applied stress. The results show that both Mn and Co as substitutes for Fe are beneficial for obtaining higher damping capacity.
AB - The magnetomechanical damping capacity of the giant magnetostrictive Tb0.36Dy0.64(Fe1-xTx)2 (x =0, 0.05, 0.10; T=Mn or Co) alloys has been calculated from quasistatic strain-stress hysteresis loops at room temperature. Stress ranges from 0 to 10, 20, 30, and 50 MPa were used in a series of applied fields between 0 and 3250 Oe. The largest damping capacities were obtained at zero field with values of 1.14 for Tb0.36Dy0.64Fe2, 1.62 for Tb 0.36Dy0.64(Fe0.95Mn0.05) 2, and 1.84 for Tb0.36Dy0.64(Fe 0.90Co0.10)2, respectively. In low fields, the damping capacity ΔW/W decreases drastically with the applied stress and magnetic field. However, in higher fields, Δ W/W decreases slightly with the magnetic field but only increases slightly with the applied stress. The results show that both Mn and Co as substitutes for Fe are beneficial for obtaining higher damping capacity.
UR - http://www.scopus.com/inward/record.url?scp=33746932895&partnerID=8YFLogxK
U2 - 10.1063/1.2209726
DO - 10.1063/1.2209726
M3 - Article
AN - SCOPUS:33746932895
SN - 0021-8979
VL - 100
JO - Journal of Applied Physics
JF - Journal of Applied Physics
IS - 2
M1 - 023901
ER -