Article(id=1319986545520656459, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986532933555119, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220135, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1645718400000, receivedDateStr=2022-02-25, revisedDate=1647792000000, revisedDateStr=2022-03-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1792638916615, onlineDateStr=2026-10-22, pubDate=1655654400000, pubDateStr=2022-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792638916615, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792638916615, creator=13701087609, updateTime=1792638916615, updator=13701087609, issue=Issue{id=1319986532933555119, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='6', pageStart='1455', pageEnd='1774', issueExtLink='null', onlineDate='null', pubDate='1655654400000', pubDateStr='2022-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792638913615, creator='13701087609', updateTime=1792639299444, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319988151507075566, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986532933555119, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319988151507075567, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986532933555119, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1542, endPage=1547, ext={EN=ArticleExt(id=1319986546158190668, articleId=1319986545520656459, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Microwave Dielectric and Mechanical Property of Cordierite Ceramics by Ca2+Doping, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

A series of Ca2+-doped cordierite ((Mg1-xCax)2Al4Si5O18) ceramic powders were prepared by a sol-gel method. The effect of the substitution of Ca2+ for Mg2+ of cordierite ceramics on the sintering properties, structural characteristics, microwave dielectric properties and fracture toughness was investigated. The results show that the introduction of Ca2+ can improve the sintering activity of the powder, thus improving the density of the sample and the sintering densification. The single α-cordierite phase is obtained in the range of 0<x≤0.1 because Ca2+ is doped into the cordierite structure to form the solid solution. When the x value is larger than 0.1, an anorthite phase appears. The dielectric constant of cordierite ceramic decreases, and the quality factor, the temperature coefficient of frequency and fracture toughness improve when Mg2+ substitutes for Ca2+. The optimum performance of (Mg1-xCax)2Al4Si5O18 ceramic is obtained when the x value is 0.1, i.e., the dielectric constant of 4.61, the quality factor of 9949GHz and the temperature coefficient of frequency of -26×10-6/℃, and the fracture toughness of 4.76MPa·m1/2.

, authors=Shijie ZHOU1, Feng WANG2, Zhiyong HE1, 2, Xiaobo WANG2, authorsList=Shijie ZHOU, Feng WANG, Zhiyong HE, Xiaobo WANG, authorCompany=null, correspAuthors=Zhiyong HE, authorNote=

ZHOU Shijie (1997-), Master. E-mail:

, correspAuthorsNote=
HE Zhiyong (1970-), male, Professorate senior Engineer. E-mail:
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采用溶胶凝胶法制备得到系列Ca2+掺杂堇青石((Mg1-xCax)2Al4Si5O18)陶瓷粉体,研究Ca2+取代Mg2+对堇青石陶瓷的烧结特性、结构组成、微波介电性能及力学性能的影响。结果表明,Ca2+的引入会提升粉体的烧结活性,能够有效促进样品的致密化烧结。当x≤0.1时,Ca2+会全部进入堇青石结构中形成固溶体,为单一α-堇青石相;当x>0.1时,检测到有钙长石相的存在。Ca2+取代Mg2+能有效降低堇青石陶瓷的介电常数,提高品质因数、谐振频率温度系数及断裂韧性。当x=0.1时,(Mg1-xCax)2Al4Si5O18陶瓷获得最优性能,介电常数为4.61,品质因数为9 949 GHz,谐振频率温度系数为-26×10-6℃-1,断裂韧性为4.76 MPa·m1/2。

, authors=周士杰1, 王峰2, 贺智勇1, 2, 王晓波2, authorsList=周士杰, 王峰, 贺智勇, 王晓波, authorCompany=null, correspAuthors=贺智勇, authorNote=

周士杰(1997—),男,硕士。

, correspAuthorsNote=
贺智勇(1970—),男,正高级工程师。
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Ca2+掺杂堇青石陶瓷的微波介电及力学性能
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周士杰 1 , 王峰 2 , 贺智勇 1, 2 , 王晓波 2
硅酸盐学报 | 研究论文 2022,50(6): 1542-1547
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硅酸盐学报 |研究论文 2022 , 50 (6) : 1542 -1547
Ca2+掺杂堇青石陶瓷的微波介电及力学性能
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周士杰1 , 王峰2, 贺智勇1, 2 , 王晓波2
作者信息
  • 1.钢铁研究总院,北京 100081
  • 2.中国钢研科技集团有限公司,北京 100081
通讯作者:
贺智勇(1970—),男,正高级工程师。
作者简介:

周士杰(1997—),男,硕士。

Microwave Dielectric and Mechanical Property of Cordierite Ceramics by Ca2+Doping
Shijie ZHOU1 , Feng WANG2, Zhiyong HE1, 2 , Xiaobo WANG2
Affiliations
  • 1.Central Iron & Steel Research Institute, Beijing 100081, China
  • 2.ChinaChina Iron & Steel Research Institute Group, Beijing 100081, China
  • Corresponding Author:
    HE Zhiyong (1970-), male, Professorate senior Engineer. E-mail:

    ZHOU Shijie (1997-), Master. E-mail:

出版时间: 2022-06-20 doi: 10.14062/j.issn.0454-5648.20220135
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采用溶胶凝胶法制备得到系列Ca2+掺杂堇青石((Mg1-xCax)2Al4Si5O18)陶瓷粉体,研究Ca2+取代Mg2+对堇青石陶瓷的烧结特性、结构组成、微波介电性能及力学性能的影响。结果表明,Ca2+的引入会提升粉体的烧结活性,能够有效促进样品的致密化烧结。当x≤0.1时,Ca2+会全部进入堇青石结构中形成固溶体,为单一α-堇青石相;当x>0.1时,检测到有钙长石相的存在。Ca2+取代Mg2+能有效降低堇青石陶瓷的介电常数,提高品质因数、谐振频率温度系数及断裂韧性。当x=0.1时,(Mg1-xCax)2Al4Si5O18陶瓷获得最优性能,介电常数为4.61,品质因数为9 949 GHz,谐振频率温度系数为-26×10-6℃-1,断裂韧性为4.76 MPa·m1/2。

堇青石陶瓷  /  掺杂  /  微波介电  /  断裂韧性

A series of Ca2+-doped cordierite ((Mg1-xCax)2Al4Si5O18) ceramic powders were prepared by a sol-gel method. The effect of the substitution of Ca2+ for Mg2+ of cordierite ceramics on the sintering properties, structural characteristics, microwave dielectric properties and fracture toughness was investigated. The results show that the introduction of Ca2+ can improve the sintering activity of the powder, thus improving the density of the sample and the sintering densification. The single α-cordierite phase is obtained in the range of 0<x≤0.1 because Ca2+ is doped into the cordierite structure to form the solid solution. When the x value is larger than 0.1, an anorthite phase appears. The dielectric constant of cordierite ceramic decreases, and the quality factor, the temperature coefficient of frequency and fracture toughness improve when Mg2+ substitutes for Ca2+. The optimum performance of (Mg1-xCax)2Al4Si5O18 ceramic is obtained when the x value is 0.1, i.e., the dielectric constant of 4.61, the quality factor of 9949GHz and the temperature coefficient of frequency of -26×10-6/℃, and the fracture toughness of 4.76MPa·m1/2.

cordierite ceramic  /  doping  /  microwave dielectric  /  mechanical properties
周士杰, 王峰, 贺智勇, 王晓波. Ca2+掺杂堇青石陶瓷的微波介电及力学性能. 硅酸盐学报, 2022 , 50 (6) : 1542 -1547 . DOI: 10.14062/j.issn.0454-5648.20220135
Shijie ZHOU, Feng WANG, Zhiyong HE, Xiaobo WANG. Microwave Dielectric and Mechanical Property of Cordierite Ceramics by Ca2+Doping[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (6) : 1542 -1547 . DOI: 10.14062/j.issn.0454-5648.20220135
  • 国家科技重大专项项目(2013ZX02104)
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2022年第50卷第6期
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doi: 10.14062/j.issn.0454-5648.20220135
  • 接收时间:2022-02-25
  • 首发时间:2026-10-22
  • 出版时间:2022-06-20
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  • 收稿日期:2022-02-25
  • 修回日期:2022-03-21
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国家科技重大专项项目(2013ZX02104)
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    1.钢铁研究总院,北京 100081
    2.中国钢研科技集团有限公司,北京 100081

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贺智勇(1970—),男,正高级工程师。
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2种不同金属材料的力学参数
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属
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种数
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species
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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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