Article(id=1322612384603156953, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612332010787465, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190563, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1565539200000, receivedDateStr=2019-08-12, revisedDate=1575907200000, revisedDateStr=2019-12-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264965438, onlineDateStr=2026-10-29, pubDate=1592582400000, pubDateStr=2020-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264965438, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264965438, creator=13701087609, updateTime=1793264965438, updator=13701087609, issue=Issue{id=1322612332010787465, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='6', pageStart='787', pageEnd='938', issueExtLink='null', onlineDate='null', pubDate='1592582400000', pubDateStr='2020-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264952900, creator='13701087609', updateTime=1793277066146, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663138810516224, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612332010787465, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663138810516225, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612332010787465, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=908, endPage=912, ext={EN=ArticleExt(id=1322612384812872154, articleId=1322612384603156953, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation and Properties of Ca2+ and Cr3+ Co-doped LaAlO3 Ceramics, columnId=1322612334275711626, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Paper, runingTitle=null, highlight=null, articleAbstract=

Pure LaAlO3 and Ca2+-Cr3+ co-doped LaAlO3 ceramic materials were prepared via a high-temperature solid-state reaction in air atmosphere. Their near-infrared (NIR) emissivity and thermal conductivity were investigated. The results reveal that 20% Ca2+ and 20% Cr3+ co-doped LaAlO3, namely La0.8Ca0.2Al0.8Cr0.2O3, has a greater NIR emissivity of 0.92 in the wavelength range of 0.76-2.50 μm, which is 300% greater than that of pure LaAlO3. The thermal conductivity of LaAlO3 can be reduced by Ca2+-Cr3+ co-doping. The minimum thermal conductivities of LaAlO3 and La0.8Ca0.2Al0.8Cr0.2O3 both appear at 1 200 ℃, and the minimum thermal conductivity of La0.8Ca0.2Al0.8Cr0.2O3 is 2.602 W·m-1·K-1, which is 38% lower than that of pure LaAlO3.

, authors=Qu WANG, Gang WANG, Jianshen HAN, Xin ZHAO, Qi ZHANG, Wei ZHANG, authorsList=Qu WANG, Gang WANG, Jianshen HAN, Xin ZHAO, Qi ZHANG, Wei ZHANG, authorCompany=null, correspAuthors=Gang WANG, authorNote=

WANG Qu (1994-), male, Master candidate. E-mail:

, correspAuthorsNote=
WANG Gang (1972-), male, Ph.D., Professorate senior Engineer. E-mail:
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采用高温固相反应法,在空气气氛中制备了纯LaAlO3和Ca2+-Cr3+共掺杂LaAlO3陶瓷材料,对其在近红外的发射率以及热导率进行了研究比较。结果表明:20% Ca2+(摩尔分数)和20% Cr3+掺杂后的La0.8Ca0.2Al0.8Cr0.2O3在0.76~2.50 μm的红外发射率达0.92,比纯LaAlO3提高了300%;Ca2+和Cr3+的掺杂降低了陶瓷材料的热导率,在1 200 ℃时LaAlO3和La0.8Ca0.2Al0.8Cr0.2O3的热导率最低,La0.8Ca0.2Al0.8Cr0.2O3的热导率最低值为2.602 W·m-1·K-1,较纯LaAlO3降低了38%。

, authors=王曲, 王刚, 韩建燊, 赵鑫, 张琪, 张伟, authorsList=王曲, 王刚, 韩建燊, 赵鑫, 张琪, 张伟, authorCompany=null, correspAuthors=王刚, authorNote=

王曲(1994—),男,硕士研究生。

, correspAuthorsNote=
王刚(1972—),男,博士,教授级高工。
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Ca2+-Cr3+共掺杂LaAlO3陶瓷的制备及性能
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王曲 , 王刚 , 韩建燊 , 赵鑫 , 张琪 , 张伟
硅酸盐学报 | 研究论文 2020,48(6): 908-912
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硅酸盐学报 |研究论文 2020 , 48 (6) : 908 -912
Ca2+-Cr3+共掺杂LaAlO3陶瓷的制备及性能
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王曲 , 王刚 , 韩建燊, 赵鑫, 张琪, 张伟
作者信息
  • 中钢集团洛阳耐火材料研究院有限公司,先进耐火材料国家重点实验室,河南 洛阳 471039
通讯作者:
王刚(1972—),男,博士,教授级高工。
作者简介:

王曲(1994—),男,硕士研究生。

Preparation and Properties of Ca2+ and Cr3+ Co-doped LaAlO3 Ceramics
Qu WANG , Gang WANG , Jianshen HAN, Xin ZHAO, Qi ZHANG, Wei ZHANG
Affiliations
  • State Key Laboratory of Advanced Refractories, Sinosteel luoyang institute of refractories research co.,ltd, Luoyang 471039, Henan, China
  • Corresponding Author:
    WANG Gang (1972-), male, Ph.D., Professorate senior Engineer. E-mail:

    WANG Qu (1994-), male, Master candidate. E-mail:

出版时间: 2020-06-20 doi: 10.14062/j.issn.0454-5648.20190563
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采用高温固相反应法,在空气气氛中制备了纯LaAlO3和Ca2+-Cr3+共掺杂LaAlO3陶瓷材料,对其在近红外的发射率以及热导率进行了研究比较。结果表明:20% Ca2+(摩尔分数)和20% Cr3+掺杂后的La0.8Ca0.2Al0.8Cr0.2O3在0.76~2.50 μm的红外发射率达0.92,比纯LaAlO3提高了300%;Ca2+和Cr3+的掺杂降低了陶瓷材料的热导率,在1 200 ℃时LaAlO3和La0.8Ca0.2Al0.8Cr0.2O3的热导率最低,La0.8Ca0.2Al0.8Cr0.2O3的热导率最低值为2.602 W·m-1·K-1,较纯LaAlO3降低了38%。

铝酸镧  /  红外发射率  /  共掺杂  /  陶瓷材料

Pure LaAlO3 and Ca2+-Cr3+ co-doped LaAlO3 ceramic materials were prepared via a high-temperature solid-state reaction in air atmosphere. Their near-infrared (NIR) emissivity and thermal conductivity were investigated. The results reveal that 20% Ca2+ and 20% Cr3+ co-doped LaAlO3, namely La0.8Ca0.2Al0.8Cr0.2O3, has a greater NIR emissivity of 0.92 in the wavelength range of 0.76-2.50 μm, which is 300% greater than that of pure LaAlO3. The thermal conductivity of LaAlO3 can be reduced by Ca2+-Cr3+ co-doping. The minimum thermal conductivities of LaAlO3 and La0.8Ca0.2Al0.8Cr0.2O3 both appear at 1 200 ℃, and the minimum thermal conductivity of La0.8Ca0.2Al0.8Cr0.2O3 is 2.602 W·m-1·K-1, which is 38% lower than that of pure LaAlO3.

lanthanum aluminate  /  infrared emissivity  /  co-doping  /  ceramic material
王曲, 王刚, 韩建燊, 赵鑫, 张琪, 张伟. Ca2+-Cr3+共掺杂LaAlO3陶瓷的制备及性能. 硅酸盐学报, 2020 , 48 (6) : 908 -912 . DOI: 10.14062/j.issn.0454-5648.20190563
Qu WANG, Gang WANG, Jianshen HAN, Xin ZHAO, Qi ZHANG, Wei ZHANG. Preparation and Properties of Ca2+ and Cr3+ Co-doped LaAlO3 Ceramics[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (6) : 908 -912 . DOI: 10.14062/j.issn.0454-5648.20190563
  • 国家重点研发计划(2016YFB0601301; 2018YFB0605904)
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2020年第48卷第6期
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doi: 10.14062/j.issn.0454-5648.20190563
  • 接收时间:2019-08-12
  • 首发时间:2026-10-29
  • 出版时间:2020-06-20
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  • 收稿日期:2019-08-12
  • 修回日期:2019-12-10
基金
国家重点研发计划(2016YFB0601301; 2018YFB0605904)
作者信息
    中钢集团洛阳耐火材料研究院有限公司,先进耐火材料国家重点实验室,河南 洛阳 471039

通讯作者:

王刚(1972—),男,博士,教授级高工。
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2种不同金属材料的力学参数
科
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属数
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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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