摘要:
There is disclosed a piezoelectric device which has a remarkably high piezoelectric characteristic and which is superior in a vibration transmitting property between a substrate and a piezoelectric portion and in which linearity of a flexural displacement with respect to a voltage is high up to a high voltage region and which exhibits a high durability even in a case where the device is used with a large flexural displacement for a long period. The piezoelectric device is provided with: a substrate 2 made of a ceramic; a piezoelectric portion 1 constituted of a piezoelectric porcelain composition containing as a major component a Pb(Mg, Ni)1/3Nb2/3O3—PbZrO3—PbTiO3 ternary solid solution system composition represented by a predetermined formula; and an electrode 3 electrically connected to the piezoelectric portion 1, and the piezoelectric portion 1 is solidly attached onto the substrate 2 directly or via the electrode 3.
摘要翻译:公开了一种具有非常高的压电特性的压电器件,其在衬底和压电部件之间的振动传递性能优异,并且其中相对于电压的弯曲位移的线性度高达高电压区域 并且即使在长期使用具有大的弯曲位移的装置的情况下也显示出高的耐久性。 压电装置设置有:由陶瓷制成的基板2; 由作为主成分的Pb(Mg,Ni)1/3 Nb 3/3/3 O 3的压电陶瓷组合物构成的压电体1, 由预定公式表示的三元固体溶液体系组合物; 以及电连接到压电部分1的电极3,并且压电部分1直接或经由电极3牢固地附接到基板2上。
摘要:
A piezoelectric element includes: a ceramic substrate, an electrode and a piezoelectric portion made of a piezoelectric ceramic composition containing a Pb(Mg, Ni)1/3Nb2/3O3—PbZrO3—PbTiO3 ternary system solid solution composition being represented by the following general formula (1) as a main component: Pbx{(Mg1−yNiy)1/3×aNb2/3}bTicZrdO3 (1), wherein 0.95≦x≦1.05; 0.05≦y≦0.20; 0.90≦a≦1.10; b,c, and d are decimals falling in a range surrounded by (b, c, d)=(0.550, 0.425, 0.025), (0.550, 0.325, 0.125), (0.375, 0.325, 0.300), (0.100, 0.425, 0.475), (0.100, 0.475, 0.425) and (0.375, 0.425, 0.200) in the coordinates with coordinate axes of said b, c and d, and b+c+d=1.000. The electrode is electrically connected to the piezoelectric portion, and the piezoelectric portion is solidly attached to the ceramic substrate directly or via the electrode.
摘要翻译:压电元件包括:陶瓷基板,电极和由含有Pb(Mg,Ni)1 / 3Nb2 / 3O3-PbZrO3-PbTiO3三元体系固溶体组合物的压电陶瓷组合物制成的压电部件,由下列通式 (1)作为主要成分:Pbx {(Mg1-yNiy)1 / 3xaNb2 / 3} bTicZrdO3(1),其中0.95 <= x <= 1.05; 0.05 <= y <= 0.20; 0.90 <= a <= 1.10; (b,c,d)=(0.550,0.425,0.025),(0.550,0.325,0.125),(0.375,0.325,0.300),(0.100,0.425) ,0.475),(0.100,0.475,0.425)和(0.375,0.425,0.200)在坐标轴上的坐标,b + c + d = 1.000。 电极电连接到压电部分,并且压电部分直接或经由电极牢固地附接到陶瓷衬底。
摘要:
A multi-layered piezoelectric device includes a plurality of piezoelectric portions and a plurality of electrodes electrically connected to the piezoelectric portions that are formed in layers on a ceramic substrate. A first piezoelectric portion is made of a piezoelectric ceramic composition containing Ni in an amount of 0.08 to 0.31% by mass (in terms of NiO), and second and upper piezoelectric portions are made of a piezoelectric ceramic composition of higher Ni content than in the first piezoelectric portion. An electrode is provided at least between the first piezoelectric portion and the second piezoelectric portion.
摘要:
A multi-layered piezoelectric device includes a plurality of piezoelectric portions and a plurality of electrodes electrically connected to the piezoelectric portions, that are formed in layers on a ceramic substrate. A first piezoelectric portion is made of a piezoelectric ceramic composition containing Ni in an amount of 0.08 to 0.31% by mass (in terms of NiO), and second and upper piezoelectric portions are made of a piezoelectric ceramic composition of higher Ni content than in the first piezoelectric portion. An electrode is provided at least between the first piezoelectric portion and the second piezoelectric portion.
摘要:
There is disclosed a piezoelectric/electrostrictive body which has superior piezoelectric/electrostrictive properties and which exhibits a sufficient durability even in a case where a flexural displacement is repeated a large number of times. A piezoelectric/electrostrictive body 30 is constituted of a large number of crystal grains 31 having the piezoelectric/electrostrictive properties in the form of a film or a layer having one or more layers. A number ratio of crystal grains 32, a part of which is exposed to at least one of interfaces 35a, 35b between the bodies and the outside in a thickness direction, is 80% or more of a large number of crystal grains 31 observed in an arbitrary section in the thickness direction.
摘要:
There is disclosed a piezoelectric/electrostrictive body which has superior piezoelectric/electrostrictive properties and which exhibits a sufficient durability even in a case where a flexural displacement is repeated a large number of times. A piezoelectric/electrostrictive body is constituted of a large number of crystal grains having the piezoelectric/electrostrictive properties in the form of a film or a layer having one or more layers. A number ratio of crystal grains whose grain diameters W in a width direction are longer than grain diameters T in a thickness direction is 70% or more of a large number of crystal grains observed in an arbitrary section in the thickness direction.
摘要:
A piezoelectric element includes: a ceramic substrate, an electrode and a piezoelectric portion made of a piezoelectric ceramic composition containing a Pb(Mg, Ni)1/3Nb2/3O3—PbZrO3—PbTiO3 ternary system solid solution composition being represented by the following general formula (1) as a main component: Pbx{(Mg1-yNiy)1/3xaNb2/3}bTicZrdO3(1), wherein 0.95≦x≦1.05; 0.05≦y≦0.20; 0.90≦a≦1.10; b,c, and d are decimals falling in a range surrounded by (b, c, d)=(0.550, 0.425, 0.025), (0.550, 0.325, 0.125), (0.375, 0.325, 0.300), (0.100, 0.425, 0.475), (0.100, 0.475, 0.425) and (0.375, 0.425, 0.200) in the coordinates with coordinate axes of said b, c and d, and b+c+d=1.000. The electrode is electrically connected to the piezoelectric portion, and the piezoelectric portion is solidly attached to the ceramic substrate directly or via the electrode.
摘要翻译:压电元件包括:陶瓷基板,电极和由含有Pb(Mg,Ni)1 / 3Nb2 / 3O3-PbZrO3-PbTiO3三元体系固溶体组合物的压电陶瓷组合物制成的压电部件,由下列通式 (1)作为主要成分:Pbx {(Mg1-yNiy)1 / 3xaNb2 / 3} bTicZrdO3(1),其中0.95 <= x <= 1.05; 0.05 <= y <= 0.20; 0.90 <= a <= 1.10; (b,c,d)=(0.550,0.425,0.025),(0.550,0.325,0.125),(0.375,0.325,0.300),(0.100,0.425) ,0.475),(0.100,0.475,0.425)和(0.375,0.425,0.200)在坐标轴上的坐标,b + c + d = 1.000。 电极电连接到压电部分,并且压电部分直接或经由电极牢固地附接到陶瓷衬底。
摘要:
There is disclosed a piezoelectric/electrostrictive body which has superior piezoelectric/electrostrictive properties and which exhibits a sufficient durability even in a case where a flexural displacement is repeated a large number of times. A piezoelectric/electrostrictive body 30 is constituted of a large number of crystal grains 31 having the piezoelectric/electrostrictive properties in the form of a film or a layer having one or more layers. A number ratio of crystal grains 32, a part of which is exposed to at least one of interfaces 35a, 35b between the bodies and the outside in a thickness direction, is 80% or more of a large number of crystal grains 31 observed in an arbitrary section in the thickness direction.
摘要:
There is disclosed a piezoelectric/electrostrictive body which has superior piezoelectric/electrostrictive properties and which exhibits a sufficient durability even in a case where a flexural displacement is repeated a large number of times. A piezoelectric/electrostrictive body is constituted of a large number of crystal grains having the piezoelectric/electrostrictive properties in the form of a film or a layer having one or more layers. A number ratio of crystal grains whose grain diameters W in a width direction are longer than grain diameters T in a thickness direction is 70% or more of a large number of crystal grains observed in an arbitrary section in the thickness direction.
摘要:
There is disclosed a piezoelectric/electrostrictive porcelain composition capable of constituting a bulk-like or film-like piezoelectric/electrostrictive body which is dense and which has a large strain or displacement. A piezoelectric/electrostrictive porcelain composition contains: a PbMg1/3Nb2/3O3—PbTiO3—PbZrO3 ternary solid solution system composition as a main component; and 0.05 to 3.0 mass % of Ni in terms of NiO, or contains: a Pb(Mg, Ni)1/3Nb2/3O3—PbTiO3—PbZrO3 ternary solid solution system composition as a main component; and at least one selected from the group consisting of Mg2SiO4, Ni2SiO4 and (Mg, Ni)2SiO4, and a total content ratio of Mg2SiO4, Ni2SiO4 and (Mg, Ni)2SiO4 is 0.2 mol % or less.
摘要翻译:公开了一种压电/电致伸缩瓷组合物,其能够构成致密且具有大应变或位移的块状或膜状压电/电致伸缩体。 一种压电/电致伸缩瓷组合物包含:PbMg 1/3 1/3 Nb 2/3 3 O 3 -PbTiO 3 3 三元固溶体系组成为主要成分; 以NiO计为0.05〜3.0质量%的Ni,或者含有Pb(Mg,Ni)1/3 Nb 2/3/3 O 3, 三元固溶体系组成为主要成分; 和选自Mg 2 SiO 4,Ni 2 SiO 4和(Mg)的至少一种和(Mg ,Ni)2 SiO 4,以及Mg 2 SiO 2的总含量比,Ni < 2(SiO 2)2 SiO 4和(Mg,Ni)2 SiO 4的比例为0.2摩尔%以下。