摘要:
A piezoelectric ceramic composition is provided which contains Perovskite oxides expressed by General Formula 1 below and an aluminum compound, and in which the content ratio of the aluminum compound to the Perovskite oxides is from 1% by mass to 11% by mass, (Pbα-β-γ-δM1βM2γBiδ)[Ti{1-(x+y+z)}ZrxMnyNbz]O3 (1) wherein in the General Formula (1), M1 represents at least one kind of element selected from the group consisting of La, Ce, Pr, and Nd, M2 represents at least one kind of element selected from the group consisting of Sr, Ca, and Ba, and α, β, γ, δ, x, y, and z satisfy the following numerical conditions: 0.96≦α≦1.01 0.03≦β≦0.07 0≦γ≦0.10 0≦δ≦0.02 0≦x≦0.24 0.02≦y≦0.04 0.03≦z≦0.08
摘要:
Provided is a piezoelectric ceramic composition which enables the attainment of sufficiently high Qmax and good temperature characteristics of oscillation frequency F0 when applied in an oscillator utilizing third harmonic mode of thickness longitudinal vibration. The piezoelectric ceramic composition contains a composite oxide having a perovskite structure. The composite oxide has a composition expressed by the chemical formula (1), while satisfying 0.91≦α≦1.00, 0
摘要:
Provided is a piezoelectric ceramic composition capable of being sintered at low temperatures and in a low-oxygen reductive atmosphere and capable of attaining a sufficient displacement even at high voltages of 1 kV/mm or more. The piezoelectric ceramic composition includes: a composite oxide, as a main constituent thereof, represented by the following composition formula; Cu and/or Ag, each as a first additive, Cu being included in a content α, in terms of Cu2O, falling within a range 0
摘要翻译:提供一种压电陶瓷组合物,其能够在低温和低氧还原气氛中烧结,并且即使在1kV / mm以上的高电压下也能够获得足够的位移。 压电陶瓷组合物包括:作为其主要成分的复合氧化物,由以下组成式表示; Cu和/或Ag,每个作为第一添加剂,Cu以包含在Cu 2 O中的含量α中包含在0 <α≤0.5质量%的范围内,并且Ag被包含在含量β中 Ag2O,相对于主要成分为0 <β≤0.4质量%范围内; 其中:组成式:Pba [(Zn1 / 3Nb2 / 3)xTiyZrz] O3,其中0.96 <= a <= 1.03,0.005 <= x <0.05,0.42≤y≤0.53,0.45≤z≤0.56, x + y + z = 1。
摘要:
A laminated piezoelectric element capable of being sintered at low temperatures and high in piezoelectric properties is provided. The laminated piezoelectric element comprises a plurality of piezoelectric layers each comprising a composite oxide as a main constituent thereof and a plurality of internal electrode layers formed between the piezoelectric layers and containing Ag, wherein the piezoelectric layers are each comprised of a sintered body comprising the composite oxide, as a main constituent thereof, represented by (Pba-bMb) [(Zn1/3Nb2/3)xTiyZrz]O3 with the proviso that 0.96≦a≦1.03, 0≦b≦0.1, 0.05≦x≦0.15, 0.25≦y≦0.5, 0.35≦z≦0.6, x+y+z=1, and M represents at least one selected from Sr, Ca and Ba, and Ag in a content of 1.0% by weight or less (not inclusive of 0) in terms of Ag2O in relation to the main constituent.
摘要翻译:提供能够在低温下烧结并且压电性能高的层叠型压电元件。 叠层压电元件包括多个压电层,每个压电层包含复合氧化物作为其主要成分,并且在压电层之间形成并含有Ag的多个内部电极层,其中压电层各自包括包含复合氧化物的复合氧化物 氧化物作为其主要成分,由(Pba-bMb)[(Zn1 / 3Nb2 / 3)xTiyZrz] O3表示,条件是0.96 <= a <= 1.03,0 <= b <= 0.1,0.05 <= x <= 0.15,0.25 <= y <= 0.5,0.33 <= z <= 0.6,x + y + z = 1,M表示选自Sr,Ca和Ba中的至少一种,Ag的含量为1.0% (不包括0)以相对于主要成分的Ag 2 O计。
摘要:
Provided is a piezoelectric ceramic composition capable of being sintered at low temperatures and in a low-oxygen reductive atmosphere and capable of attaining a sufficient displacement even at high voltages of 1 kV/mm or more. The piezoelectric ceramic composition includes: a composite oxide, as a main constituent thereof, represented by the following composition formula; Cu and/or Ag, each as a first additive, Cu being included in a content α, in terms of Cu2O, falling within a range 0
摘要翻译:提供一种压电陶瓷组合物,其能够在低温和低氧还原气氛中烧结,并且即使在1kV / mm以上的高电压下也能够获得足够的位移。 压电陶瓷组合物包括:作为其主要成分的复合氧化物,由以下组成式表示; Cu和/或Ag,各自作为第一添加剂,Cu以包含在Cu 2 O 2中的含量α中,在0 <α≤0.5质量%的范围内,Ag为 相对于主要成分,包含在相对于主要成分的0 <β≤0.4质量%范围内的Ag 2 O 3的含量β中。 其中:组成式:Pb> [SUB x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 其中0.96 <= a <= 1.03,0.005 <= x <0.05,0.42 <= y <= 0.53, 0.45 <= z <= 0.56,x + y + z = 1。
摘要:
A piezoelectric ceramic and a piezoelectric device capable of being fired at a low temperature and improving piezoelectric properties are provided. The piezoelectric ceramic and the piezoelectric device includes Pba[(Znb/3Nb2/3)xTiyZrz]O3 (where 0.94≦a≦1.02, 1
摘要翻译:提供了能够在低温下烧制并提高压电性能的压电陶瓷和压电器件。 压电陶瓷和压电装置包括Pb(IIIb),(ZnBb 3/3 Nb 3/3) (其中0.94 <= a <= 1.02,1&lt; b&lt; 3&gt; x + y + z&lt; 3&gt; = 1,0.05 <= x <0.125,0.275 u> > g / 3 Nb 2/3 3)Ti u> sub> sub> sub> > 3 <其中0.96 <= e <= 1.03,0.01 <= f <= 0.1,1
摘要:
A powder having a specific surface area of 1.8 to 11.0 m2/g was used as a powder to be sintered. Consequently, the powder has an improved sinterability, so that even by sintering at 1050° C. or lower, further at 1000° C. or lower, a piezoelectric ceramic having a high sintering density and desired piezoelectric properties can be obtained. The piezoelectric ceramic can have a main constituent represented by a composition formula (Pba1Aa2)[(Zn1/3Nb2/3)xTiyZrz]O3, wherein A represents at least one metal element selected from Sr, Ba and Ca, and 0.96≦a1+a2≦1.03, 0≦a2≦0.10, x+y+z=1, 0.05≦x≦0.40, 0.1≦y≦0.5 and 0.2≦z≦0.6.
摘要翻译:使用比表面积为1.8〜11.0m 2 / g的粉末作为烧结粉末。 因此,粉末具有改善的烧结性,因此即使在1050℃以下进一步在1000℃以下的烧结,也可以获得具有高烧结密度和所需压电特性的压电陶瓷。 压电陶瓷可以具有以下组成式表示的主要成分:(Z 1,N 2,N 2,N 2) 其中A表示至少一个或多个,其中A表示至少 一个选自Sr,Ba和Ca的金属元素和0.96 <= a1 + a2 <= 1.03,0 <= a2 <= 0.10,x + y + z = 1,0.05 <= x <= 0.40,0.1 <= y <= 0.5和0.2 <= z <= 0.6。
摘要:
A piezoelectric ceramic composition has as a chief ingredient a composite oxide that has Pb, Ti and Zr as constituent elements. It contains as a first accessory ingredient at least one element selected from the group consisting of Mn, Co, Cr, Fe and Ni in an amount of 0.2 mass % or less excluding 0 mass % in terms of an oxide. As the first accessory ingredient, at least one species selected from the ingredients represented by CuOx, wherein x≧0, can be adopted. In this case, the content of the first accessory ingredient is 3.0 mass % or less excluding 0 mass %. The piezoelectric ceramic composition is fired under reducing and firing conditions. The reducing and firing conditions include a firing temperature in the range of 800° C. to 1200° C. and an oxygen partial pressure in the range of 1×10−10 to 1×10−6 atm., for example.
摘要:
A piezoelectric ceramic and a piezoelectric device capable of being fired at a low temperature and improving piezoelectric properties are provided. The piezoelectric ceramic and the piezoelectric device includes Pba[(Znb/3Nb2/3)xTiyZrz]O3 (where 0.94≦a≦1.02, 1
摘要翻译:提供了能够在低温下烧制并提高压电性能的压电陶瓷和压电器件。 压电陶瓷和压电装置包括Pb(IIIb),(ZnBb 3/3 Nb 3/3) (其中0.94 <= a <= 1.02,1&lt; b&lt; 3&gt; x + y + z&lt; 3&gt; = 1,0.05 <= x <0.125,0.275 u> > g / 3 Nb 2/3 3)Ti u> sub> sub> sub> > 3 <其中0.96 <= e <= 1.03,0.01 <= f <= 0.1,1
摘要:
A laminated piezoelectric element capable of being sintered at low temperatures and high in piezoelectric properties is provided. The laminated piezoelectric element comprises a plurality of piezoelectric layers each comprising a composite oxide as a main constituent thereof and a plurality of internal electrode layers formed between the piezoelectric layers and containing Ag, wherein the piezoelectric layers are each comprised of a sintered body comprising the composite oxide, as a main constituent thereof, represented by (Pba-bMb)[(Zn1/3Nb2/3)xTiyZrz]O3 with the proviso that 0.96≦a≦1.03, 0≦b≦0.1, 0.05≦x≦0.15, 0.25≦y≦0.5, 0.35≦z≦0.6, x+y+z=1, and M represents at least one selected from Sr, Ca and Ba, and Ag in a content of 1.0% by weight or less (not inclusive of 0) in terms of Ag2O in relation to the main constituent.
摘要翻译:提供能够在低温下烧结并且压电性能高的层叠型压电元件。 叠层压电元件包括多个压电层,每个压电层包含复合氧化物作为其主要成分,并且在压电层之间形成并含有Ag的多个内部电极层,其中压电层各自包括包含复合氧化物的复合氧化物 氧化物作为其主要成分,由(Pb Sb 2 B b)表示[(Zn 1/3 Nb 2/3) 其中,0.96 <= a u> = 1.03,0 <= b <= 0.1,0.05 <= x <=0.15,0.25≤y≤0.5,0.35≤z≤0.6,x + y + z = 1,M表示至少一个选定的 相对于主要成分,来自Sr,Ca和Ba的Ag和Ag的含量为Ag 2 O 2的1.0重量%以下(不包括0)。