系统研究了(1-x)Na1/2Bi1/2TiO3-xBaTiO3(x=0.02、0.04、0.06、0.08、0.10)无铅压电陶瓷系统的相界、材料压电性能,弛豫特性及相变. 这个系统的陶瓷材料具有Kt/Kp较大,频率常数比较高等特点. X-ray衍射结构?分析发现此系统的相界在0.04 For (1-x)Na1/2Bi1/2TiO3-BaTiO3(x=0.02, 0.04, 0.06, 0.08, 0.10) lead-free ceramic system the morphotropic boundary, piezoelectric property, relaxation property and phase transition were investigated. The piezoelectric ceramics ofthis system possess large ratios of Kt/Kp and high frequency constants. According to XRD patterns, the morphotropic boundary lies in the composition range of 0.04
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