[15p-K210-1~12] 1.6 Ultrasonics

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[15p-K210-1] Determination of Nonlinear Elastic Constants of Polycrystalline Metallic Materials Used in Surface Acoustic Wave Devices

〇Yasuo Cho¹, Ryo Nakagawa², Toshimaro Yoneda², Takeshi Nakao², Mamoru Ikeura² (1.Tohoku Univ. NICHe, 2.Murata Manufacturing Co., Ltd.)

Keywords:

surface acoustic wave,nonlinear elastic constant,polycrystalline metallic material

The nonlinear elastic constants of polycrystalline metallic materials, which are used as electrode materials for SAW devices and are essential for quantitative treatment of nonlinear problems in SAW devices, were measured and determined.