CN109485407A - 一种经编贾卡、经编贾卡材料及其制备方法 - Google Patents
一种经编贾卡、经编贾卡材料及其制备方法 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000498 ball milling Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 8
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Inorganic materials O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 8
- 229940068984 polyvinyl alcohol Drugs 0.000 claims abstract description 8
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims abstract description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 7
- 229920002545 silicone oil Polymers 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 7
- 238000010792 warming Methods 0.000 claims abstract description 7
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000010410 layer Substances 0.000 claims description 28
- 239000000919 ceramic Substances 0.000 claims description 24
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 13
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- 239000004332 silver Substances 0.000 claims description 13
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- 238000004458 analytical method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
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- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种经编贾卡、经编贾卡材料及其制备方法，该经编贾卡材料的制备方法包括下述制备步骤：(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3原料，根据化学式(1‑x)(Na1/2Bi1/2)TiO3‑x(Na1/2Bi1/2)(Sb1/2Nb1/2)O3配比；(2)以无水乙醇为球磨介质进行球磨，合成后加入聚乙烯醇溶液；(3)于100MPa的条件下压制成直径为16‑20mm且厚1‑1.5mm的圆坯，以2.5‑3.4℃/min的速度升温至600℃，保温1.8‑2.2h，排胶，以180‑220℃/h的升温速度于1100‑1300℃下烧结1.8‑2.2h；(4)置于60‑80℃的硅油内进行极化；获得所述经编贾卡材料。本发明具有贾卡寿命延长、成本低、灵敏度和精度提高的优点。
Description
技术领域
本发明涉及贾卡经编技术，特别涉及一种经编贾卡、经编贾卡材料及其制备方法。
背景技术
贾卡经编机的发展经历了机械式到电子式，再到现在的压电陶瓷式。新一代的压电陶瓷贾卡系统，是的经编贾卡技术更趋于完善，产品更加精致和完美。近年来我国经编企业从国外引进大量先进的压电贾卡经编机，这对我国经编设备的更新换代及新产品的开发起到了积极的推动作用。
但由于压电陶瓷材料本身的特点，寿命比较短。因此压电陶瓷贾卡属于一种耗材。由于压电陶瓷材料本身比较贵。
此外，经编贾卡主要是利用压电陶瓷的逆电压效应达到偏移的效果。但目前对压电陶瓷的生产主要集中在传统的锆钛酸铅为基的多元系含铅陶瓷。此类材料的很适合用于经编场合，灵敏度高。但是材料含铅，会污染环境，且本身质地很脆，长期工作稳定性不好，容易折断损坏。需定期更换，对企业生产成本负担较大。
发明内容
本发明所要解决的技术问题是：提供一种基于新材料的经编贾卡材料，相较现有的压电陶瓷材料，可延长使用寿命以及降低成本；在此基础上，还提供了经编贾卡、及经编贾卡材料的制备方法。
为了解决上述技术问题，本发明采用的技术方案为：
一种经编贾卡材料的制备方法，包括下述制备步骤：
(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3原料，根据化学式(1-x)(Na1/2Bi1/2)TiO3-x(Na1/2Bi1/2)(Sb1/2Nb1/2)O3进行配比，其中，x指摩尔分数为0、0.2％、0.4％、0.6％、0.8％、1.0％或1.4％；
(2)称量后，以无水乙醇为球磨介质进行球磨11-13h，然后进行干燥，于850-950℃条件下保温1.5-2.5h进行合成；再将合成后的粉料依次进行烘干、破碎、过筛和造粒，然后加入浓度为2.8-3.2％的聚乙烯醇溶液；
(3)于100MPa的条件下，将步骤(2)获得的物料压制成直径为16-20mm且厚1-1.5mm的圆坯，以2.5-3.4℃/min的速度升温至600℃，然后保温1.8-2.2h，再进行排胶，然后以180-220℃/h的升温速度于1100-1300℃下烧结1.8-2.2h，获得样品，对所述样品进行披银电极；
(4)将步骤(3)进行披银电极后的样品置于60-80℃的硅油内进行极化，所述极化的电压为3-4kV/mill，极化的时间为13-17min；获得所述经编贾卡材料。
一种经编贾卡材料，采用上述的经编贾卡材料的制备方法制备获得。
一种经编贾卡，包括支撑基体、压电陶瓷片层、绝缘层、保护层、隔离层、导纱针支座和导纱针，所述压电陶瓷片层的材质为上述的经编贾卡材料的制备方法制备获得的经编贾卡材料；
所述压电陶瓷片层、绝缘层和保护层依次套设于所述支撑基体的外周壁上，所述支撑基体的两个自由端分别伸出所述压电陶瓷片层、绝缘层和保护层；所述隔离层与导纱针支座分别依次套设于所述支撑基体的一个自由端上，所述导纱针设于导纱针支座上且导纱针朝外设置。
本发明的有益效果在于：
采用本发明的经编贾卡材料的制备方法制备获得的经编贾卡，可提升经编贾卡寿命，降低生产企业生产成本；具有贾卡寿命延长、成本低、灵敏度和精度提高的优点。
附图说明
图1为本发明实施例的经编贾卡的侧面剖视示意图。
标号说明：
1、支撑基体；2、压电陶瓷片层；3、绝缘层；4、保护层；5、隔离层；6、导纱针支座；7、导纱针。
具体实施方式
为详细说明本发明的技术内容、所实现目的及效果，以下结合实施方式并配合附图予以说明。
本发明最关键的构思在于：制得一种新的经编贾卡材料(一种不同于现有技术的新的压电陶瓷材料)，并采用该新的经编贾卡材料制成经编贾卡。
请参照图1，一种经编贾卡材料的制备方法，包括下述制备步骤：
(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3原料，根据化学式(1-x)(Na1/2Bi1/2)TiO3-x(Na1/2Bi1/2)(Sb1/2Nb1/2)O3进行配比，其中，x指摩尔分数为0、0.2％、0.4％、0.6％、0.8％、1.0％或1.4％；
(2)称量后，以无水乙醇为球磨介质进行球磨11-13h，然后进行干燥，于850-950℃条件下保温1.5-2.5h进行合成；再将合成后的粉料依次进行烘干、破碎、过筛和造粒，然后加入浓度为2.8-3.2％的聚乙烯醇溶液；
(3)于100MPa的条件下，将步骤(2)获得的物料压制成直径为16-20mm且厚1-1.5mm的圆坯，以2.5-3.4℃/min的速度升温至600℃，然后保温1.8-2.2h，再进行排胶，然后以180-220℃/h的升温速度于1100-1300℃下烧结1.8-2.2h，获得样品，对所述样品进行披银电极；
(4)将步骤(3)进行披银电极后的样品置于60-80℃的硅油内进行极化，所述极化的电压为3-4kV/mill，极化的时间为13-17min；获得所述经编贾卡材料。
一种经编贾卡材料，采用上述的经编贾卡材料的制备方法制备获得。
一种经编贾卡，包括支撑基体、压电陶瓷片层、绝缘层、保护层、隔离层、导纱针支座和导纱针，所述压电陶瓷片层的材质为上述的经编贾卡材料的制备方法制备获得的经编贾卡材料；
所述压电陶瓷片层、绝缘层和保护层依次套设于所述支撑基体的外周壁上，所述支撑基体的两个自由端分别伸出所述压电陶瓷片层、绝缘层和保护层；所述隔离层与导纱针支座分别依次套设于所述支撑基体的一个自由端上，所述导纱针设于导纱针支座上且导纱针朝外设置。
从上述描述可知，本发明的有益效果在于：
采用本发明的经编贾卡材料的制备方法制备获得的经编贾卡，可提升经编贾卡寿命，降低生产企业生产成本；具有贾卡寿命延长、成本低、灵敏度和精度提高的优点。
请参照图1，本发明的实施例1为：
本实施例的经编贾卡材料的制备方法，包括下述制备步骤：
(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3的分析纯原料，根据化学式(1-x)(Na1/ 2Bi1/2)TiO3-x(Na1/2Bi1/2)(Sb1/2Nb1/2)O3进行配比，其中，x指摩尔分数为0；
(2)称量后，以无水乙醇为球磨介质进行球磨11h，然后进行干燥，于850℃条件下保温1.5h进行合成；再将合成后的粉料依次进行烘干、破碎、过筛和造粒，然后加入浓度为2.8％的聚乙烯醇Z溶液；
(3)于100MPa的条件下，将步骤(2)获得的物料压制成直径为16mm且厚1mm的圆坯，以2.5℃/min的速度升温至600℃，然后保温1.8h，再进行排胶，然后以180℃/h的升温速度于1100℃下烧结1.8h，烧结的同时进行保温处理，获得样品，先将所述样品进行磨光，再进行披银电极；
(4)将步骤(3)进行披银电极后的样品置于60℃的硅油内进行极化，所述极化的电压为3kV/mill，极化的时间为13min；获得所述经编贾卡材料。将获得的经编贾卡材料放置24h之后，再进行性能测试。
实施例2
本实施例的经编贾卡材料的制备方法，包括下述制备步骤：
(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3的分析纯原料，根据化学式(1-x)(Na1/ 2Bi1/2)TiO3-x(Na1/2Bi1/2)(Sb1/2Nb1/2)O3进行配比，其中，x指摩尔分数为1.4％；
(2)称量后，以无水乙醇为球磨介质进行球磨13h，然后进行干燥，于950℃条件下保温2.5h进行合成；再将合成后的粉料依次进行烘干、破碎、过筛和造粒，然后加入浓度为3.2％的聚乙烯醇Z溶液作为粘结剂；
(3)于100MPa的条件下，将步骤(2)获得的物料压制成直径为20mm且厚1.5mm的圆坯，以3.4℃/min的速度升温至600℃，然后保温2.2h，再进行排胶，然后以220℃/h的升温速度于1300℃下烧结2.2h，烧结的同时进行保温处理，获得样品，先将所述样品进行磨光，再进行披银电极；
(4)将步骤(3)进行披银电极后的样品置于80℃的硅油内进行极化，所述极化的电压为4kV/mill，极化的时间为17min；获得所述经编贾卡材料。将获得的经编贾卡材料放置24h之后，再进行性能测试。
实施例3
本实施例的经编贾卡材料的制备方法，包括下述制备步骤：
(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3的分析纯原料，根据化学式(1-x)(Na1/ 2Bi1/2)TiO3-x(Na1/2Bi1/2)(Sb1/2Nb1/2)O3进行配比，其中，x指摩尔分数为1.0％；
(2)称量后，以无水乙醇为球磨介质进行球磨12h，然后进行干燥，于900℃条件下保温2h进行合成；再将合成后的粉料依次进行烘干、破碎、过筛和造粒，然后加入浓度为3％的聚乙烯醇Z溶液；
(3)于100MPa的条件下，将步骤(2)获得的物料压制成直径为18mm且厚1.2mm的圆坯，以3℃/min的速度升温至600℃，然后保温2h，再进行排胶，然后以200℃/h的升温速度于1200℃下烧结2h，烧结的同时进行保温处理，获得样品，先将所述样品进行磨光，再进行披银电极；
(4)将步骤(3)进行披银电极后的样品置于70℃的硅油内进行极化，所述极化的电压为3.5kV/mill，极化的时间为15min；获得所述经编贾卡材料。将获得的经编贾卡材料放置24h之后，再进行性能测试。
实施例4
请参见图1，本实施例的经编贾卡，包括支撑基体1、压电陶瓷片层2、绝缘层3、保护层4、隔离层5、导纱针支座6和导纱针7，所述压电陶瓷片层2的材质为上述的经编贾卡材料的制备方法制备获得的经编贾卡材料；所述压电陶瓷片层2、绝缘层3和保护层4依次套设于所述支撑基体1的外周壁上，所述支撑基体1的两个自由端分别伸出所述压电陶瓷片层2、绝缘层3和保护层4；所述隔离层5与导纱针支座6分别依次套设于所述支撑基体1的一个自由端上，所述导纱针7设于导纱针支座6上且导纱针7朝外设置。所述支撑基体1的材质为FR4材质，且支撑基体1的材质为环氧树脂和玻璃纤维按比例混合后获得。所述保护层4为碳保护层，所述隔离层5为树脂隔离层。
将实施例1至实施例3获得的经编贾卡材料分别进行性能测试。
测试条件具体为：采用德国Bruker公司生产的D8-2-ADVANCED型衍射仪测定烧结样品的晶相合成情况；采用ZJ-3AN型准静态d33测量仪测量压电常数上d33；采用Agilent4294A精密阻抗分析仪测量陶瓷在1kHz下的介电容量、介质损耗(tanδ)、谐振频率和阻抗,计算相对介电常数(εr)、机电耦合系数等介电、压电性能参数。由TH2818型数字电桥和智能温控组成的测试系统测量陶瓷样品的εr,随温度(T)的变化,升温速率约2℃/mn。
测试结果为：该陶瓷材料具有明显的弛豫铁电体特征,不同材料的压电性能测量表明,压电常数d33厚度机电耦合系数kt,和室温介电常数εr,随着x值的增加先增加后降低,在x＝0.8％时,陶瓷的d33＝97pC/N,厚度机电耦合系数kt＝0.50,为所研究组成中的最大值,在x＝1.0％时,材料的εr＝680,达到最大值,介电损耗tanδ则随x值的增加而增加。
根据上述测试结果可知，实施例1至实施例3获得的经编贾卡材料的使用寿命、灵敏度和精度均得到提高。
综上所述，本发明提供的经编贾卡材料的制备方法，其制备获得的经编贾卡，可提升经编贾卡寿命，降低生产企业生产成本；具有贾卡寿命延长、成本低、灵敏度和精度提高的优点。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等同变换，或直接或间接运用在相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (10)
1.一种经编贾卡材料的制备方法，其特征在于，包括下述制备步骤：
(1)取Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3原料，根据化学式(1-x)(Na1/2Bi1/2)TiO3-x(Na1/ 2Bi1/2)(Sb1/2Nb1/2)O3进行配比，其中，x指摩尔分数为0、0.2％、0.4％、0.6％、0.8％、1.0％或1.4％；
(2)称量后，以无水乙醇为球磨介质进行球磨11-13h，然后进行干燥，于850-950℃条件下保温1.5-2.5h进行合成；再将合成后的粉料依次进行烘干、破碎、过筛和造粒，然后加入浓度为2.8-3.2％的聚乙烯醇溶液；
(3)于100MPa的条件下，将步骤(2)获得的物料压制成直径为16-20mm且厚1-1.5mm的圆坯，以2.5-3.4℃/min的速度升温至600℃，然后保温1.8-2.2h，再进行排胶，然后以180-220℃/h的升温速度于1100-1300℃下烧结1.8-2.2h，获得样品，对所述样品进行披银电极；
(4)将步骤(3)进行披银电极后的样品置于60-80℃的硅油内进行极化，所述极化的电压为3-4kV/mill，极化的时间为13-17min；获得所述经编贾卡材料。
2.根据权利要求1所述的经编贾卡材料的制备方法，其特征在于，Bi2O3、Na2CO3、TiO2、Nb2O5和Sb2O3原料均为分析纯原料。
3.根据权利要求1所述的经编贾卡材料的制备方法，其特征在于，步骤(2)中的聚乙烯醇为聚乙烯醇Z。
4.根据权利要求1所述的经编贾卡材料的制备方法，其特征在于，步骤(3)中，所述烧结的过程中进行保温处理。
5.根据权利要求1所述的经编贾卡材料的制备方法，其特征在于，步骤(3)中，先将所述样品进行磨光，再进行披银电极。
6.根据权利要求1所述的经编贾卡材料的制备方法，其特征在于，将步骤(4)获得的经编贾卡材料放置22-26h之后，再进行性能测试。
7.一种经编贾卡材料，其特征在于，采用权利要求1-6任意一项所述的经编贾卡材料的制备方法制备获得。
8.一种经编贾卡，其特征在于，包括支撑基体、压电陶瓷片层、绝缘层、保护层、隔离层、导纱针支座和导纱针，所述压电陶瓷片层的材质为权利要求1-6任意一项所述的经编贾卡材料的制备方法制备获得的经编贾卡材料；
所述压电陶瓷片层、绝缘层和保护层依次套设于所述支撑基体的外周壁上，所述支撑基体的两个自由端分别伸出所述压电陶瓷片层、绝缘层和保护层；所述隔离层与导纱针支座分别依次套设于所述支撑基体的一个自由端上，所述导纱针设于导纱针支座上且导纱针朝外设置。
9.根据权利要求8所述的经编贾卡，其特征在于，所述支撑基体的材质为FR4材质，且支撑基体的材质为环氧树脂和玻璃纤维按比例混合后获得。
10.根据权利要求8所述的经编贾卡，其特征在于，所述保护层为碳保护层，所述隔离层为树脂隔离层。
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