CHARACTERIZATION OF TERFENOL-D FOR MAGNETOSTRICTIVE TRANSDUCERS

被引:289
作者
MOFFETT, MB [1 ]
CLARK, AE [1 ]
WUNFOGLE, M [1 ]
LINBERG, J [1 ]
TETER, JP [1 ]
MCLAUGHLIN, EA [1 ]
机构
[1] USN,CTR SURFACE WARFARE,SILVER SPRING,MD 20910
关键词
D O I
10.1121/1.400678
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Measurements were made of the piezomagnetic d33 coefficient, the free permeability, mu-33T, and the open-circuit elastic compliance coefficient, S33H, of grain-oriented Terfenol-D, Tb0.3 Dy0.7 Fe1.93, produced by a modified Bridgman technique. Prestress levels to 9500 psi (65 MPa) and magnetic bias fields up to 2200 Oe (175 kA/m) were applied with a laboratory electromagnet modified so that one pole piece served as a hydraulically actuated piston. The results indicate that d33, mu-33T, and S33H are dependent on stress and magnetic field, so that proper mechanical prestress and magnetic bias conditions are critical to the successful use of Terfenol-D in transducers and actuators. Radiated-power limits for underwater acoustic projectors are estimated and compared with those for projectors having lead zirconate titanate (PZT-4) piezoelectric drivers. Terfenol-D based transducers can be as much as 8 dB superior to PZT-4 under low-Q, field-limited conditions (Q = mechanical quality factor).
引用
收藏
页码:1448 / 1455
页数:8
相关论文
共 28 条
  • [1] BERLINCOURT DA, 1964, PHYSICAL ACOUSTICS A, V1, P259
  • [2] BUTLER JJ, 1988, APPLICATION MANUAL D
  • [3] RARE-EARTH IRON OCTAGONAL TRANSDUCER
    BUTLER, JL
    CIOSEK, SJ
    [J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1980, 67 (05) : 1809 - 1811
  • [4] ANALYSIS OF A MAGNETOSTRICTIVE TONPILZ TRANSDUCER
    CLAEYSSEN, F
    BOUCHER, D
    POHLENZ, C
    [J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1987, 81 : S89 - S89
  • [5] CLAEYSSEN F, 1988, J ACOUST SOC AM S1, V83, pS20
  • [6] CLAEYSSEN F, 1990, COMMUNICATION
  • [7] CLAEYSSEN F, 1988, 2ND P INT C GIANT MA, pCH12
  • [8] Clark A. E., 1980, Ferromagnetic materials. A handbook on the properties of magnetically ordered substances, vol.1, P531, DOI 10.1016/S1567-2719(80)01010-4
  • [9] MAGNETOMECHANICAL COUPLING IN BRIDGMAN-GROWN TB0.3DY0.7FE1.9 AT HIGH DRIVE LEVELS
    CLARK, AE
    TETER, JP
    WUNFOGLE, M
    MOFFETT, M
    LINDBERG, J
    [J]. JOURNAL OF APPLIED PHYSICS, 1990, 67 (09) : 5007 - 5009
  • [10] EFFECT OF STRESS ON THE MAGNETOSTRICTION AND MAGNETIZATION OF RARE EARTH-RE1.95 ALLOYS
    CLARK, AE
    SPANO, ML
    SAVAGE, HT
    [J]. IEEE TRANSACTIONS ON MAGNETICS, 1983, 19 (05) : 1964 - 1966