CN104310967A - 一种耐高电压的高稳定性压电陶瓷 - Google Patents
一种耐高电压的高稳定性压电陶瓷 Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(ii,iv) oxide Chemical compound O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 claims abstract description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 7
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims abstract description 7
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000010287 polarization Effects 0.000 claims abstract description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 229910000018 strontium carbonate Inorganic materials 0.000 claims abstract description 7
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 5
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 14
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 229910052726 zirconium Inorganic materials 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 239000010955 niobium Substances 0.000 claims description 6
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 2
- 206010014357 Electric shock Diseases 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000002635 electroconvulsive therapy Methods 0.000 abstract 1
- 238000000462 isostatic pressing Methods 0.000 abstract 1
- 229940035105 lead tetroxide Drugs 0.000 abstract 1
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract 1
- 238000009740 moulding (composite fabrication) Methods 0.000 abstract 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000012356 Product development Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
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Abstract
一种耐高电压的高稳定性压电陶瓷，包括以下重量份数的原料：四氧化三铅100、碳酸钡14-17、碳酸锶3.5-6.5、二氧化锆28-30、二氧化钛15-17、五氧化二铌9.6、氧化亚镍2.8、氧化铈0.05-0.07、三氧化二铬0.03-0.05、二氧化硅0.04-0.06、碳酸锂0.02-0.04。经混料、预烧、粉碎、烘干干燥、制浆、流膜成型、等静压、烧结、被电极、极化制备而成。本压电陶瓷其微观晶胞为四方晶胞，晶轴之间的夹角为90°，晶胞结构较稳定，电畴受高电压、高温冲击变化很小。采用此压电陶瓷配方制成的器件，性能漂移小，失效率低，提高了产品的稳定性与一致性，推动了压电大功率产品的大规模应用。
Description
技术领域
本发明涉及压电陶瓷技术领域，具体说是一种耐高电压的高稳定性压电陶瓷。
背景技术
压电陶瓷是一种新兴的陶瓷材料，迄今已有一百多年的发展历史。上世纪中期，PZT系压电陶瓷的发明，促进了电子技术的飞速发展，从而使各种电子产品出现在我们的面前，压电陶瓷作为其内部精密的元件，可以将电能转换成机械能或者将机械能转换成电能，在电子产品中起到了关键作用。
在产品开发的过程，由于元器件应用条件的苛刻，如工作电压很高，达到220V；超长工作时间，要求达到3年或更久；使用温度要求达到-40-105℃。如车用报警器，压电水泵器，纺织选针器，由于这些产品的核心元件所使用的陶瓷材料为典型的压电“软性”材料，即具有较高的压电常数、介电系数与机电耦合系数。为获得高的压电性能，一般采用软性添加物进行掺杂改性，同时配方组份选定在准同相界（MPB）附近，然后这样的材料，由于其处于三方晶胞与四方晶胞交界区域，虽然性能活跃，但结构稳定性差，在外部条件作用下，极易产生“退极化”现象，导致材料性能恶化，从而影响产品正常工作。
发明内容
针对上述存在的问题，本发明的目的是提供一种耐高电压的高稳定性压电陶瓷。
本发明的技术方案是：一种耐高电压的高稳定性压电陶瓷，包括以下重量份数的原料：四氧化三铅100、碳酸钡14-17、碳酸锶3.5-6.5、二氧化锆28-30、二氧化钛15-17、五氧化二铌9.6、氧化亚镍2.8、氧化铈0.05-0.07、三氧化二铬0.03-0.05、二氧化硅0.04-0.06、碳酸锂0.02-0.04。
制备上述耐高电压的高稳定性压电陶瓷的方法，包括以下步骤：
（1）、混料：将四氧化三铅、碳酸钡、碳酸锶、二氧化锆、二氧化钛、五氧化二铌、氧化亚镍分别单独在120-150℃温度下烘烤12小时，然后混合在一起，再加入氧化铈、三氧化二铬、二氧化硅、碳酸锂，充分混合均匀；然后将上述原料加入到行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
（2）、预烧：将混合好的物料经烘干干燥后盛放于氧化铝坩埚中，然后放入电阻炉进行预合成，直至温度达到1010-1030℃ 之后，再保温2小时；
（3）、粉碎：将预烧之后的结块物料放入行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
（4）、烘干干燥：将物料放入烘箱内，在120-150℃ 温度下干燥6-8小时；
（5）、制浆：对物料中加入溶剂和胶粘剂进行研磨混合12-15小时，按物料：溶剂：胶粘剂=（80-100）:（30-35）:（16-20）的比例混合；
（6）、流膜成型、等静压：应用流延机流膜成型，膜厚24-26μm，双膜复合等静压得到45-48μm陶瓷生膜带，然后采用冲模冲制得到薄圆片陶瓷生坯；
（7）、烧结：应用高温箱式电阻炉将薄圆片陶瓷生坯烧结成瓷，温度达到1240-1260℃之后再保温1小时；
（8）、被电极、极化：采用丝网印刷工艺将银浆印刷至陶瓷薄片，经烘干、烧渗之后，在陶瓷表面形成均匀一致的电极；随后使用耐压仪进行极化，极化直流电压为200V ，时间为2-3秒，即得到具有压电效应的压电陶瓷谐振片。
所述步骤（5）中溶剂为无水乙醇，胶粘剂为PVB。
本发明的有益效果：本发明的压电陶瓷配方组成远离准同相界，处于四方相结构，其微观晶胞为四方晶胞，由于其晶轴之间的夹角为90°，晶胞结构较稳定，电畴受高电压、高温冲击变化很小。采用此压电陶瓷配方制成的器件，性能漂移小，失效率低，大大提高了产品的稳定性与一致性，推动了压电大功率产品的的大规模应用。
具体实施方式
下面的实施例可更详细地说明本发明，但不以任何形式限制本发明。
实施例1：
（1）、混料：称取四氧化三铅100重量份、碳酸钡14重量份、碳酸锶3.5重量份、二氧化锆28重量份、二氧化钛15重量份、五氧化二铌9.6重量份、氧化亚镍2.8重量份，分别单独在120-150℃温度下烘烤12小时，然后混合在一起，再加入氧化铈0.05重量份、三氧化二铬0.03重量份、二氧化硅0.04重量份、碳酸锂0.02重量份，充分混合均匀；然后将上述原料加入到行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
（2）、预烧：将混合好的物料经烘干干燥后盛放于氧化铝坩埚中，然后放入电阻炉进行预合成，直至温度达到1010-1030℃ 之后，再保温2小时；
（3）、粉碎：将预烧之后的结块物料放入行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
（4）、烘干干燥：将物料放入烘箱内，在120-150℃ 温度下干燥6-8小时；
（5）、制浆：对物料中加入无水乙醇和PVB进行研磨混合12-15小时，按物料：无水乙醇：PVB =（80-100）:（30-35）:（16-20）的比例混合；
（6）、流膜成型、等静压：应用流延机流膜成型，膜厚24-26μm，双膜复合等静压得到45-48μm陶瓷生膜带，然后采用冲模冲制得到薄圆片陶瓷生坯；
（7）、烧结：应用高温箱式电阻炉将薄圆片陶瓷生坯烧结成瓷，温度达到1240-1260℃之后再保温1小时；
（8）、被电极、极化：采用丝网印刷工艺将银浆印刷至陶瓷薄片，经烘干、烧渗之后，在陶瓷表面形成均匀一致的电极；随后使用耐压仪进行极化，极化直流电压为200V ，时间为2-3秒，即得到具有压电效应的压电陶瓷谐振片。
实施例2：
（1）、混料：称取四氧化三铅100重量份、碳酸钡17重量份、碳酸锶6.5重量份、二氧化锆30重量份、二氧化钛17重量份、五氧化二铌9.6重量份、氧化亚镍2.8重量份，分别单独在120-150℃温度下烘烤12小时，然后混合在一起，再加入氧化铈0.07重量份、三氧化二铬0.05重量份、二氧化硅0.06重量份、碳酸锂0.04重量份，充分混合均匀；然后将上述原料加入到行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
步骤（2）-（8）与实施例1相同。
Claims (3)
1.一种耐高电压的高稳定性压电陶瓷，其特征在于，包括以下重量份数的原料：四氧化三铅100、碳酸钡14-17、碳酸锶3.5-6.5、二氧化锆28-30、二氧化钛15-17、五氧化二铌9.6、氧化亚镍2.8、氧化铈0.05-0.07、三氧化二铬0.03-0.05、二氧化硅0.04-0.06、碳酸锂0.02-0.04。
2.制备如权利要求1所述耐高电压的高稳定性压电陶瓷的方法，其特征在于，包括以下步骤：
（1）、混料：将四氧化三铅、碳酸钡、碳酸锶、二氧化锆、二氧化钛、五氧化二铌、氧化亚镍分别单独在120-150℃温度下烘烤12小时，然后混合在一起，再加入氧化铈、三氧化二铬、二氧化硅、碳酸锂，充分混合均匀；然后将上述原料加入到行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
（2）、预烧：将混合好的物料经烘干干燥后盛放于氧化铝坩埚中，然后放入电阻炉进行预合成，直至温度达到1010-1030℃ 之后，再保温2小时；
（3）、粉碎：将预烧之后的结块物料放入行星磨中混料6小时，混料时按原料：锆球∶去离子水=1∶2∶1的比例在行星磨中加入锆球和去离子水；
（4）、烘干干燥：将物料放入烘箱内，在120-150℃ 温度下干燥6-8小时；
（5）、制浆：对物料中加入溶剂和胶粘剂进行研磨混合12-15小时，按物料：溶剂：胶粘剂=（80-100）:（30-35）:（16-20）的比例混合；
（6）、流膜成型、等静压：应用流延机流膜成型，膜厚24-26μm，双膜复合等静压得到45-48μm陶瓷生膜带，然后采用冲模冲制得到薄圆片陶瓷生坯；
（7）、烧结：应用高温箱式电阻炉将薄圆片陶瓷生坯烧结成瓷，温度达到1240-1260℃之后再保温1小时；
（8）、被电极、极化：采用丝网印刷工艺将银浆印刷至陶瓷薄片，经烘干、烧渗之后，在陶瓷表面形成均匀一致的电极；随后使用耐压仪进行极化，极化直流电压为200V ，时间为2-3秒，即得到具有压电效应的压电陶瓷谐振片。
3.如权利要求2所述耐高电压的高稳定性压电陶瓷的制备方法，其特征在于，所述步骤（5）中溶剂为无水乙醇，胶粘剂为PVB。
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