CN112062554B - 一种pstt基高性能陶瓷电卡制冷材料的制备方法 - Google Patents
一种pstt基高性能陶瓷电卡制冷材料的制备方法 Download PDFInfo
- Publication number
- CN112062554B CN112062554B CN202010981783.1A CN202010981783A CN112062554B CN 112062554 B CN112062554 B CN 112062554B CN 202010981783 A CN202010981783 A CN 202010981783A CN 112062554 B CN112062554 B CN 112062554B
- Authority
- CN
- China
- Prior art keywords
- ceramic
- pstt
- preparation
- performance
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000005057 refrigeration Methods 0.000 title claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 238000000498 ball milling Methods 0.000 claims abstract description 20
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 12
- 238000001354 calcination Methods 0.000 claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000011812 mixed powder Substances 0.000 claims abstract description 7
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 210000002568 pbsc Anatomy 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000005303 weighing Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/472—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 titanium oxides or titanates based on titanates based on lead titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
- C04B2235/3255—Niobates or tantalates, e.g. silver niobate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
- C04B2235/662—Annealing after sintering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
本发明涉及一种PSTT基高性能陶瓷电卡制冷材料的制备方法,属于化学工程技术领域。一种PSTT基高性能陶瓷电卡制冷材料的制备方法,将原料与酒精球磨,研磨所得的混合粉烘干、压柱;所得的原料块煅烧合成,研磨后得到陶瓷颗粒;压制成陶瓷胚体;在所得陶瓷颗粒覆盖下烧结;退火,制得所需陶瓷材料。本制备方法可以在室温及以下得到较优异的电卡性能;同时,可以通过改变多元高熵原理、退火时间及温度控制陶瓷的结构与性能。本发明制备方法相对简单,是一种方便快捷的制备技术。
Description
技术领域
本发明涉及一种PSTT基高性能陶瓷电卡制冷材料的制备方法,属于化学工程技术领域。
背景技术
材料是人类生存和发展的物质基础,是社会现代化的先导,是一个国家科技水平的反映。进入21世纪以来,材料技术与能源技术、信息技术并称现代科学的三大支柱。作为压电材料的一类分支,铁电体材料因其具有在外加电场下的电卡特性使得其成为优秀候选材料。目前对铁电材料电卡效应的研究主要集中在陶瓷和以Si基半导体为衬底的薄膜研究领域,比如研究了PbxSc1-xTiO3体系中各成分的电卡效应,比如研究了PbTa0.5Sc0.5O3陶瓷中的电卡效应。需要进一步扩大研究领域。
发明内容
本发明的目的在于提供一种PSTT基高性能陶瓷电卡制冷材料的制备方法。本发明中PSTT是根据多元高熵原理激发材料温熵变化的一种优良电卡效应铁电体材料,通过固相烧结法可制备的陶瓷材料其具有较优异的电卡效应,可以通过改变退火时间的长短来调控陶瓷的电卡性能。
本发明的目的通过如下技术方案实现:
一种PSTT基高性能陶瓷电卡制冷材料的制备方法,包括以下步骤:
1)将制备PSTT原料与酒精球磨,研磨所得的混合粉烘干、压柱制得原料块,所述制备PSTT原料包括PbO2、Ta2O5、Sc2O3和TiO2,所述PSTT通式为PbScxTaxTi(1-2x)O3,其中0<x<0.5;
2)将步骤1)所得的原料块煅烧合成,研磨后得到陶瓷颗粒,所述煅烧温度800-900℃,煅烧时间为2-4小时;
3)陶瓷颗粒压制成陶瓷胚体;
4)将所得陶瓷胚体在步骤2)所得颗粒覆盖下烧结;
5)将步骤4)所得产品退火,制得所需陶瓷材料。
优选的是,步骤1)所述球磨的转速为400-600rpm,球磨时间为10-16小时。
优选的是,步骤1)所述烘干温度为100-150℃。
优选的是,步骤3)所述压制是在25-30MPa冷等静压条件下保压4-8分钟。
优选的是,步骤4)所述烧结温度为1200-1300℃,保温8-10小时。
优选的是,步骤5)所述退火温度为1100-1200℃,退火时间为8-10h、18-20h、28-30h、38-40h和48-50h中的任何一个时间。
本发明的有益效果是:提供了一种PSTT基的高性能陶瓷电卡制冷材料,并给出了制备方法,可以在室温及以下得到较优异的电卡性能;同时,可以退火时间及温度控制陶瓷的结构与性能。本发明制备方法相对简单,是一种方便快捷的制备技术。
附图说明
图1为本发明实施例1-5所得的PSTT陶瓷不同退火时间的电卡性能对比图谱。
具体实施方式
下面结合具体实施例,对本发明作进一步详细的阐述,但本发明的实施方式并不局限于实施例表示的范围。这些实施例仅用于说明本发明,而非用于限制本发明的范围。此外,在阅读本发明的内容后,本领域的技术人员可以对本发明作各种修改,这些等价变化同样落于本发明所附权利要求书所限定的范围。
实施例1
(1)将所需要的过量PbO2、Ta2O5、Sc2O3和TiO2原料烘干并称量PbO213g、Ta2O55g、Sc2O32g、TiO21g,保持实验室的温度在室温附近,湿度要在40%以下;
(2)将步骤(1)中称取完成的过量PbO2、Ta2O5、Sc2O3和TiO2在有适量酒精的球磨罐子里进行球磨,转速设定为每分钟400rpm,球磨时间为10小时;
(3)将步骤(2)中球磨完成的PbSc0.1Ta0.1Ti0.8O3混合粉料进行烘干、压柱,得到原料块。烘干温度控制在100℃;
(4)将步骤(3)中得到的原料块于800℃下煅烧合成,煅烧时间为2小时,研磨后得到陶瓷颗粒;
(5)将将步骤(4)中得到的样品颗粒在酒精下球磨、过筛、干燥。取适量样品于模具中预压成型,然后置于冷等静压机中在25MPa下,保压时间4分钟压制成陶瓷胚体;
(6)将步骤(7)得到的PSTT陶瓷胚体在步骤(4)所得颗粒下覆盖烧结,烧结温度为1200℃,保温8小时,得到具有较优异电卡效应的陶瓷材料;
(7)将步骤(6)得到PSTT陶瓷材料置于1100℃的管式炉中退火10小时,即得所需的陶瓷材料。
实施例2
(1)将所需要的过量PbO2、Ta2O5、Sc2O3和TiO2原料烘干并称量PbO212g、Ta2O54g、Sc2O31g、TiO20.3g,保持实验室的温度在室温附近,湿度要在40%以下;
(2)将步骤(1)中称取完成的过量PbO2、Ta2O5、Sc2O3和TiO2在有适量酒精的球磨罐子里进行球磨,转速设定为每分钟500转,球磨时间为15小时;
(3)将步骤(2)中球磨完成的PbSc0.1Ta0.1Ti0.8O3混合粉料进行烘干、压柱,得到原料块。烘干温度控制在120℃;
(4)将步骤(3)中得到的原料块于850℃下煅烧合成,煅烧时间为3小时,研磨后得到陶瓷颗粒;
(5)将步骤(4)中得到的样品颗粒在酒精下球磨、过筛、干燥。取适量样品于模具中预压成型,然后置于冷等静压机中在26MPa下,保压时间5分钟压制成陶瓷胚体;
(6)将步骤(7)得到的PSTT陶瓷胚体在步骤(4)所得颗粒下覆盖烧结,烧结温度为1250℃,保温9小时,得到具有较优异电卡效应的陶瓷材料;
(7)将步骤(6)得到PSTT陶瓷材料置于1150℃的管式炉中退火20小时,即得所需的陶瓷材料。
实施例3
(1)将所需要的过量PbO2、Ta2O5、Sc2O3和TiO2原料烘干并称量PbO213g、Ta2O55g、Sc2O32g、TiO21g,保持实验室的温度在室温附近,湿度要在40%以下;
(2)将步骤(1)中称取完成的过量PbO2、Ta2O5、Sc2O3和TiO2在有适量酒精的球磨罐子里进行球磨,转速设定为每分钟600转,球磨时间为16小时;
(3)将步骤(2)中球磨完成的PbSc0.1Ta0.1Ti0.8O3混合粉料进行烘干、压柱,得到原料块。烘干温度控制在150℃;
(4)将步骤(3)中得到的原料块于900℃下煅烧合成,煅烧时间为4小时,研磨后得到陶瓷颗粒;
(5)将步骤(4)中得到的样品颗粒在酒精下球磨、过筛、干燥。取适量样品于模具中预压成型,然后置于冷等静压机中在30MPa下,保压时间8分钟压制成陶瓷胚体;
(6)将步骤(7)得到的PSTT陶瓷胚体在步骤(4)所得颗粒下覆盖烧结,烧结温度为1300℃,保温10小时,得到具有较优异电卡效应的陶瓷材料;
(7)将步骤(6)得到PSTT陶瓷材料置于1200℃的管式炉中退火30小时,即得所需的陶瓷材料。
实施例4
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为40h。
实施例5
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为50h。
实施例6
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为8h。
实施例7
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为18h。
实施例8
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为28h。
实施例9
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为38h。
实施例10
采用与实施例1相同的方法制备陶瓷所需的陶瓷材料,不同的是,步骤(7)的退火时间为48h。
Claims (4)
1.一种PSTT基高性能陶瓷电卡制冷材料的制备方法,其特征在于,所述方法包括以下步骤:
1)将制备PSTT原料与酒精球磨,研磨所得的混合粉烘干、压柱制得原料块,所述制备PSTT原料包括PbO2、Ta2O5、Sc2O3和TiO2,所述PSTT通式为PbScxTaxTi(1-2x)O3,其中0<x<0.5;
2)将步骤1)所得的原料块煅烧合成,研磨后得到陶瓷颗粒,所述煅烧温度800-900℃,煅烧时间为2-4小时;
3)陶瓷颗粒压制成陶瓷胚体;
4)将所得陶瓷胚体在步骤2)所得颗粒覆盖下烧结,所述烧结温度为1200-1300℃,保温8-10小时;
5)将步骤4)所得产品退火,制得所需陶瓷材料,所述退火温度为1100-1200℃,退火时间为40h。
2.根据权利要求1所述的PSTT基高性能陶瓷电卡制冷材料的制备方法,其特征在于,步骤1)所述球磨的转速为400-600rpm,球磨时间为10-16小时。
3.根据权利要求1所述的PSTT基高性能陶瓷电卡制冷材料的制备方法,其特征在于,步骤1)所述烘干温度为100-150℃。
4.根据权利要求1所述的PSTT基高性能陶瓷电卡制冷材料的制备方法,其特征在于,步骤3)所述压制是在25-30MPa冷等静压条件下保压4-8分钟。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010981783.1A CN112062554B (zh) | 2020-09-17 | 2020-09-17 | 一种pstt基高性能陶瓷电卡制冷材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010981783.1A CN112062554B (zh) | 2020-09-17 | 2020-09-17 | 一种pstt基高性能陶瓷电卡制冷材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112062554A CN112062554A (zh) | 2020-12-11 |
CN112062554B true CN112062554B (zh) | 2022-08-19 |
Family
ID=73682054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010981783.1A Active CN112062554B (zh) | 2020-09-17 | 2020-09-17 | 一种pstt基高性能陶瓷电卡制冷材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112062554B (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006056809A1 (en) * | 2004-11-29 | 2006-06-01 | Cambridge University Technical Services Limited | Solid state electrocaloric cooling devices and methods |
CN102219512A (zh) * | 2010-04-13 | 2011-10-19 | 中国科学院上海硅酸盐研究所 | 一种制备钽钪酸铅热释电陶瓷的方法 |
CN105470385A (zh) * | 2015-10-30 | 2016-04-06 | 上海磁宇信息科技有限公司 | 交叉矩阵列式磁性随机存储器制造工艺 |
CN108892503A (zh) * | 2018-07-23 | 2018-11-27 | 西京学院 | 一种高电卡效应薄膜材料及其制备方法 |
CN110437808A (zh) * | 2019-08-30 | 2019-11-12 | 深圳先进技术研究院 | 一种基于电卡效应的制冷材料 |
CN110498681A (zh) * | 2019-09-16 | 2019-11-26 | 苏州科技大学 | 室温下高电卡效应的弛豫铁电陶瓷及制备方法和应用 |
CN111499377A (zh) * | 2020-05-13 | 2020-08-07 | 南方科技大学 | 一种压电陶瓷及其制备方法 |
CN111525021A (zh) * | 2020-04-22 | 2020-08-11 | 济南大学 | 一种兼具正负电卡效应的钛酸铋钠基薄膜及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2994289B1 (fr) * | 2012-08-03 | 2014-09-12 | Commissariat Energie Atomique | Procede de limitation des variations de temperature d'un composant electrique |
US9164586B2 (en) * | 2012-11-21 | 2015-10-20 | Novasentis, Inc. | Haptic system with localized response |
US20150075182A1 (en) * | 2013-09-18 | 2015-03-19 | Nascent Devices Llc | Methods to improve the performance of electrocaloric ceramic dielectric cooling device |
EP4221950A2 (en) * | 2020-10-03 | 2023-08-09 | Heraeus Conamic North America LLC | Sintered ceramic body of large dimension and method of making |
-
2020
- 2020-09-17 CN CN202010981783.1A patent/CN112062554B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006056809A1 (en) * | 2004-11-29 | 2006-06-01 | Cambridge University Technical Services Limited | Solid state electrocaloric cooling devices and methods |
CN102219512A (zh) * | 2010-04-13 | 2011-10-19 | 中国科学院上海硅酸盐研究所 | 一种制备钽钪酸铅热释电陶瓷的方法 |
CN105470385A (zh) * | 2015-10-30 | 2016-04-06 | 上海磁宇信息科技有限公司 | 交叉矩阵列式磁性随机存储器制造工艺 |
CN108892503A (zh) * | 2018-07-23 | 2018-11-27 | 西京学院 | 一种高电卡效应薄膜材料及其制备方法 |
CN110437808A (zh) * | 2019-08-30 | 2019-11-12 | 深圳先进技术研究院 | 一种基于电卡效应的制冷材料 |
CN110498681A (zh) * | 2019-09-16 | 2019-11-26 | 苏州科技大学 | 室温下高电卡效应的弛豫铁电陶瓷及制备方法和应用 |
CN111525021A (zh) * | 2020-04-22 | 2020-08-11 | 济南大学 | 一种兼具正负电卡效应的钛酸铋钠基薄膜及其制备方法 |
CN111499377A (zh) * | 2020-05-13 | 2020-08-07 | 南方科技大学 | 一种压电陶瓷及其制备方法 |
Non-Patent Citations (2)
Title |
---|
(1-x)Pb(Sc0.5Ta0.5)O3-xPbTiO3弛豫铁电陶瓷介电和压电性能的研究;石维;《四川大学学报(自然科学版)》;20051031;实验步骤 * |
Nd掺杂PZT基铁电薄膜能量储存与电卡制冷性能研究;富永明;《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》;20190115;第44、47-48页 * |
Also Published As
Publication number | Publication date |
---|---|
CN112062554A (zh) | 2020-12-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101805185B (zh) | 一种制备铌镁酸铅钛酸铅弛豫铁电陶瓷的方法 | |
CN101486570B (zh) | 一种无铅压电织构厚膜及其制备方法 | |
CN104860673A (zh) | 一种低介电损耗CaCu3Ti4O12陶瓷的制备方法 | |
CN103467096B (zh) | 一种铌酸钾钠基无铅压电陶瓷及其制备方法 | |
CN105272233A (zh) | 一种陶瓷电容器用介质材料及其制备方法 | |
CN101429027A (zh) | 一种铌酸钾钠基无铅压电陶瓷及其低温烧结制备方法 | |
CN101747051A (zh) | CaCu3Ti4O12陶瓷材料的低温烧结方法 | |
CN110357624B (zh) | 高介电常数玻璃料改性锆酸锶掺杂铌酸钾钠无铅透明陶瓷材料及其制备方法 | |
CN108530056B (zh) | 一种巨介电低损耗钛酸锶钡陶瓷及其制备方法 | |
CN110981469A (zh) | 一种钛酸铋钠基高温压电陶瓷的制备方法 | |
CN112062554B (zh) | 一种pstt基高性能陶瓷电卡制冷材料的制备方法 | |
CN107827451B (zh) | 一种利用水淬火降低钛酸铜钙陶瓷损耗的方法 | |
CN108569903B (zh) | 一种低温烧结ltcc微波介质陶瓷及制备方法 | |
CN108585837B (zh) | 一种钛酸铋钠基高温电容器介质陶瓷的制备方法 | |
Kruidhof et al. | Bismuth oxide based ceramics with improved electrical and mechanical properties: Part I. Preparation and characterisation | |
CN101723664A (zh) | 介电可调介质陶瓷材料的制备方法 | |
CN107285760B (zh) | 一种低损耗巨介电常数陶瓷材料的制备方法 | |
CN104098330B (zh) | 采用后退火工艺制备高性能钛酸锶钡热释电陶瓷的方法 | |
CN107555986B (zh) | 一种低损耗岩盐矿结构微波介质陶瓷及制备方法 | |
CN101333109B (zh) | 宽温区相变型热释电陶瓷材料的制备方法 | |
CN111548155B (zh) | 一种高压电高居里点铌酸钾钠-锑酸钾钠系无铅压电陶瓷及其制备方法 | |
CN104909747A (zh) | 一种高介电常数、低介电损耗CaCu3Ti4-xZrxO12陶瓷的制备方法 | |
CN107500756A (zh) | 一种高介电常数低损耗SrTiO3基介质材料及其制备方法 | |
CN112062565B (zh) | 一种psint基高熵陶瓷电卡制冷材料的制备方法 | |
CN103044027A (zh) | 一种La2Ti2O7:Mn4+多铁性陶瓷及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231122 Address after: Room B1103 and 1104, Huihu Building, No.10 Yueliangwan Road, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone, Suzhou City, Jiangsu Province, 215124 (Cluster Registration) Patentee after: Suzhou Kabaka Electronic Technology Co.,Ltd. Address before: 530004, 100 East University Road, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: GUANGXI University |
|
TR01 | Transfer of patent right |