摘要:
There is provided a piezoelectric ceramic having a wider operating temperature range, being capable of obtaining a larger amount of displacement, being easily sintered, and being superior in terms of low emission, environment and ecology. A piezoelectric substrate (1) includes (1−m−n){(Na1-x-yKxLiy)(Nb1-zTaz)O3}+m{(M1)ZrO3}+n{M2(Nb1-wTaw)2O6} as a main component. M1 and M2 each represent an alkaline-earth metal element, and the values of x, y, m and n are preferably within a range of 0.1≦x≦0.9, 0≦y≦0.1, 0
摘要翻译:提供了具有更宽的工作温度范围的压电陶瓷,能够获得更大的位移量,易于烧结,并且在低排放,环境和生态学方面是优异的。 压电基板(1)包括(1-mn){(Na 1-xy x K x L y y y)(Nb 1) -z sub> Ta 3 z + 3} + m {(M1)ZrO 3 +} N {M2(Nb u> u> 6 u> M1和M2各自表示碱土金属元素,x,y,m和n的值优选在0.1 <= x <= 0.9,0 <= y <= 0.1,0
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:
Provided is a piezoelectric ceramic with a wider operating temperature range capable of obtaining a larger amount of displacement and being easily sintered, as well as being superior in terms of ultra-low emission, environmental friendliness and ecology. A piezoelectric substrate 1 comprises a composition including a perovskite-type oxide (Na1−x−y−zKxLiyAgz)(Nb1−wTaw)O3 and a tungsten bronze-type oxide M(Nb1−vTav)2O6 (M is an element of Group 2 in the long form of the periodic table of the elements). The values of x, y and z are preferably within a range of 0.1≦x≦0.9, 0≦y≦0.2, and 0≦z≦0.05, respectively. The content of the tungsten bronze-type oxide is preferably 5.3 mol % or less. Thereby, a higher Curie temperature and a larger amount of displacement can be obtained, and sintering can be more easily carried out.
摘要翻译:本发明提供一种具有较宽的工作温度范围的压电陶瓷,其能够获得更大的位移量并容易地烧结,并且在超低排放,环境友好性和生态学方面优越。 压电基片1包括一种组合物,它包括钙钛矿型氧化物(Na + 1-xyz)x Li>>> z z z / / / / / / / / / / / / / / / / / / / (Nb 1) - (Nb 1-w)Ta O 3 O 3和钨青铜型氧化物M(Nb 1-v (M是元素周期表的长形式的元素2的元素) )。 x,y和z的值优选分别在0.1 <= x <= 0.9,0 <= y <= 0.2和0 <= z <= 0.05的范围内。 钨青铜型氧化物的含量优选为5.3摩尔%以下。 由此,可以获得更高的居里温度和更大的位移量,并且可以更容易地进行烧结。
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:
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:
Provided is a piezoelectric ceramic with a wider operating temperature range capable of obtaining a larger amount of displacement and being easily sintered, as well as being superior in terms of ultra-low emission, environmental friendliness and ecology. A piezoelectric substrate 1 comprises a composition including a perovskite-type oxide (Na1-x-y-zKxLiyAgz)(Nb1-wTaw)O3 and a tungsten bronze-type oxide M(Nb1-vTav)2O6 (M is an element of Group 2 in the long form of the periodic table of the elements). The values of x, y and z are preferably within a range of 0.1≦x≦0.9, 0≦y≦0.2, and 0≦z≦0.05, respectively. The content of the tungsten bronze-type oxide is preferably 5.3 mol % or less. Thereby, a higher Curie temperature and a larger amount of displacement can be obtained, and sintering can be more easily carried out.
摘要翻译:本发明提供一种具有较宽的工作温度范围的压电陶瓷,其能够获得更大的位移量并容易地烧结,并且在超低排放,环境友好性和生态学方面优越。 压电基板1包括包含钙钛矿型氧化物(Na1-xy-zKxLiyAgz)(Nb1-wTaw)O3和钨青铜型氧化物M(Nb1-vTav)2O6的组合物(M是第2族的元素 元素周期表的长形式)。 x,y和z的值优选分别在0.1 <= x <= 0.9,0 <= y <= 0.2和0 <= z <= 0.05的范围内。 钨青铜型氧化物的含量优选为5.3摩尔%以下。 由此,可以获得更高的居里温度和更大的位移量,并且可以更容易地进行烧结。
摘要:
It is an object to provide a ferrite material which has a higher saturation magnetic flux density and low core loss, both at 100° C. The ferrite material is composed of a sintered body containing Fe, Mn and Zn as main constituents at x, y and z % by mol in terms of Fe2O3, MnO and ZnO, respectively, and containing Li as an additive at v % by weight in terms of Li2CO3 based on the main constituents, wherein x=55.7 to 60, z=3 to 8.5, y=100−x−z, v=0.3 to 0.8, and x1≦x≦x2 (x1=52.9−0.1z+8.5v and x2=54.4−0.1z+8.5v).
摘要翻译:本发明的目的是提供在100℃下具有较高的饱和磁通密度和较低铁损的铁氧体材料。铁氧体材料由以x,y为主要成分的以Fe,Mn和Zn为主要成分的烧结体构成 以Fe 2 O 3 O 3,MnO和ZnO为基准分别为z摩尔%,Li为添加剂,以重量%计,Li为添加剂。 基于主要成分,其中x = 55.7至60,z = 3至8.5,y = 100-xz,v = 0.3至0.8,x1 <= x <= x2(x1 = 52.9-0.1z + 8.5v和x2 = 54.4-0.1z + 8.5v)。
摘要:
A piezoelectric ceramic 10 composed mainly of a three-component solid solution represented by the following general formula (1), wherein x, y and z in general formula (1) satisfy the following formulas (2), (3), (4) and (5). x(Bi1/2Na1/2)TiO3−y(Bi1/2Li1/2)TiO3−z(Bi1/2K1/2)TiO3 (1) 0.80≦x≦0.96 (2) 0.02≦y≦0.08 (3) 0.01≦z≦0.15 (4) x+y+z=1 (5)