Article(id=1319986987516408031, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986978137944236, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210552, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1625587200000, receivedDateStr=2021-07-07, revisedDate=1632585600000, revisedDateStr=2021-09-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792639021995, onlineDateStr=2026-10-22, pubDate=1647705600000, pubDateStr=2022-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792639021995, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792639021995, creator=13701087609, updateTime=1792639021995, updator=13701087609, issue=Issue{id=1319986978137944236, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='3', pageStart='555', pageEnd='876', issueExtLink='null', onlineDate='null', pubDate='1647705600000', pubDateStr='2022-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792639019760, creator='13701087609', updateTime=1792639223744, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319987833767575858, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986978137944236, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319987833767575859, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986978137944236, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=682, endPage=690, ext={EN=ArticleExt(id=1319986987839369440, articleId=1319986987516408031, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Influence of Ta Doping Elements and Sintering Atmosphere on Microstructure and Electrical Properties for KNN-based Lead-free Piezoelectric Ceramics, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The ceramics of 0.96K0.48Na0.52Nb(1-x)TaxO3 0.04BaZrO3 0.3%MnCO3 were prepared via solid-state reaction and subsequent sintering in air and reducing atmospheres. The effects of Ta doping and sintering atmosphere on the microstructure and piezoelectric properties of ceramics were investigated. The results demonstrate that all the ceramics sintered in different atmospheres exhibit a pure perovskite structure. The phase structure of KNN-based ceramics is the coexistence of rhombohedral and orthorhombic phases. Also, the generation of oxygen vacancies is suppressed as Ta doping content is increased. When x = 0.1, the ceramics sintered in a reducing atmosphere exhibit the optimum electrical properties (i.e., d33=172 pC/N, , kp=24.9, , and tanδ=0.021), which are superior to the counterparts sintered in air atmosphere (i.e., d33=142 pC/N, pm/V, kp=21.1, , and tanδ=0.022). It is indicated that sintering in a reducing atmosphere can suppress the grain growth, thus facilitating the densification of ceramics and improving the piezoelectric properties.

, authors=Limin HOU, Xinjian WANG, Zhenxing WANG, Yu HUAN, authorsList=Limin HOU, Xinjian WANG, Zhenxing WANG, Yu HUAN, authorCompany=null, correspAuthors=Yu HUAN, authorNote=

HOU Limin (1998-), female, Master candidate. E-mail:

, correspAuthorsNote=
HUAN Yu (1990-), female, Ph.D., Associate Professor. E-mail:
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为了探究掺杂以及不同烧结气氛对陶瓷的微观结构以及压电性能的影响。通过传统固相法制备并分别在空气和还原气氛条件下烧结了0.96K0.48Na0.52Nb(1-x)TaxO3-0.04BaZrO3-0.3%MnCO3陶瓷。研究表明:不同气氛烧结的陶瓷均为纯钙钛矿结构,陶瓷相结构为菱方相与正交相共存,且Ta的掺杂抑制了氧空位的产生。当掺杂量为0.10时,还原烧结气氛下性能最优:d33=172pC/N,,kp=24.9,,tanδ=0.021,且性能优于同组分在空气下烧结的样品(d33=142pC/N,, kp=21.1,, tanδ=0.022)。还原气氛可以抑制晶粒生长,促进陶瓷的致密化,进而提高陶瓷样品的压电性能。

, authors=侯立敏, 王新健, 王振行, 郇宇, authorsList=侯立敏, 王新健, 王振行, 郇宇, authorCompany=null, correspAuthors=郇宇, authorNote=

侯立敏(1998—),女,硕士研究生。

, correspAuthorsNote=
郇宇(1990—),女,副教授。
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Ta掺杂和烧结气氛对KNN基无铅压电陶瓷的微观结构和压电性能的影响
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侯立敏 , 王新健 , 王振行 , 郇宇
硅酸盐学报 | 研究论文 2022,50(3): 682-690
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硅酸盐学报 |研究论文 2022 , 50 (3) : 682 -690
Ta掺杂和烧结气氛对KNN基无铅压电陶瓷的微观结构和压电性能的影响
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侯立敏 , 王新健, 王振行, 郇宇
作者信息
  • 济南大学材料科学与工程学院,济南 250022
通讯作者:
郇宇(1990—),女,副教授。
作者简介:

侯立敏(1998—),女,硕士研究生。

Influence of Ta Doping Elements and Sintering Atmosphere on Microstructure and Electrical Properties for KNN-based Lead-free Piezoelectric Ceramics
Limin HOU , Xinjian WANG, Zhenxing WANG, Yu HUAN
Affiliations
  • School of Materials Science and Engineering, University of Jinan, Jinan 25022, China
  • Corresponding Author:
    HUAN Yu (1990-), female, Ph.D., Associate Professor. E-mail:

    HOU Limin (1998-), female, Master candidate. E-mail:

出版时间: 2022-03-20 doi: 10.14062/j.issn.0454-5648.20210552
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为了探究掺杂以及不同烧结气氛对陶瓷的微观结构以及压电性能的影响。通过传统固相法制备并分别在空气和还原气氛条件下烧结了0.96K0.48Na0.52Nb(1-x)TaxO3-0.04BaZrO3-0.3%MnCO3陶瓷。研究表明:不同气氛烧结的陶瓷均为纯钙钛矿结构,陶瓷相结构为菱方相与正交相共存,且Ta的掺杂抑制了氧空位的产生。当掺杂量为0.10时,还原烧结气氛下性能最优:d33=172pC/N,,kp=24.9,,tanδ=0.021,且性能优于同组分在空气下烧结的样品(d33=142pC/N,, kp=21.1,, tanδ=0.022)。还原气氛可以抑制晶粒生长,促进陶瓷的致密化,进而提高陶瓷样品的压电性能。

铌酸钾钠基无铅压电陶瓷  /  钽掺杂  /  微观结构  /  还原气氛烧结

The ceramics of 0.96K0.48Na0.52Nb(1-x)TaxO3 0.04BaZrO3 0.3%MnCO3 were prepared via solid-state reaction and subsequent sintering in air and reducing atmospheres. The effects of Ta doping and sintering atmosphere on the microstructure and piezoelectric properties of ceramics were investigated. The results demonstrate that all the ceramics sintered in different atmospheres exhibit a pure perovskite structure. The phase structure of KNN-based ceramics is the coexistence of rhombohedral and orthorhombic phases. Also, the generation of oxygen vacancies is suppressed as Ta doping content is increased. When x = 0.1, the ceramics sintered in a reducing atmosphere exhibit the optimum electrical properties (i.e., d33=172 pC/N, , kp=24.9, , and tanδ=0.021), which are superior to the counterparts sintered in air atmosphere (i.e., d33=142 pC/N, pm/V, kp=21.1, , and tanδ=0.022). It is indicated that sintering in a reducing atmosphere can suppress the grain growth, thus facilitating the densification of ceramics and improving the piezoelectric properties.

potassium sodium niobate-based lead-free piezoelectric ceramics  /  tantalum-doped  /  microstructure  /  reducing sintering atmosphere
侯立敏, 王新健, 王振行, 郇宇. Ta掺杂和烧结气氛对KNN基无铅压电陶瓷的微观结构和压电性能的影响. 硅酸盐学报, 2022 , 50 (3) : 682 -690 . DOI: 10.14062/j.issn.0454-5648.20210552
Limin HOU, Xinjian WANG, Zhenxing WANG, Yu HUAN. Influence of Ta Doping Elements and Sintering Atmosphere on Microstructure and Electrical Properties for KNN-based Lead-free Piezoelectric Ceramics[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (3) : 682 -690 . DOI: 10.14062/j.issn.0454-5648.20210552
  • 国家自然科学基金面上项目(52072150)
  • 新型陶瓷与精细工艺国家重点实验室开放基金(KF202002)
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2022年第50卷第3期
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doi: 10.14062/j.issn.0454-5648.20210552
  • 接收时间:2021-07-07
  • 首发时间:2026-10-22
  • 出版时间:2022-03-20
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出版历史
  • 收稿日期:2021-07-07
  • 修回日期:2021-09-26
基金
国家自然科学基金面上项目(52072150)
新型陶瓷与精细工艺国家重点实验室开放基金(KF202002)
作者信息
    济南大学材料科学与工程学院,济南 250022

通讯作者:

郇宇(1990—),女,副教授。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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