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Article(id=1319986547718467935, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986532933555119, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220038, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1642003200000, receivedDateStr=2022-01-13, revisedDate=1645027200000, revisedDateStr=2022-02-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1792638917140, onlineDateStr=2026-10-22, pubDate=1655654400000, pubDateStr=2022-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792638917140, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792638917140, creator=13701087609, updateTime=1792638917140, 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=1481, endPage=1488, ext={EN=ArticleExt(id=1319986549446521186, articleId=1319986547718467935, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=High-Entropy Ferroelastic Rare-earth Tantalate Thermal Barrier Coating Material: (Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4, columnId=1321892005832151399, journalTitle=Journal of the Chinese Ceramic Society, columnName=Advanced High Entropy Ceramics—Research Articles, runingTitle=null, highlight=null, articleAbstract=

The function of thermal barrier coating is to protect the hot components of advanced aero-engines from hot corrosion and ensures the hot components service in high-temperature environment safely. In general, a low thermal conductivity and a high fracture toughness are the key performance indexes for the selection of novel thermal barrier coating materials. In this work, a high-entropy rare-earth tantalate ceramic of (Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4 (i.e. (5RE0.2)TaO4) with the superior properties was synthesized via solid-state reaction. The results indicate that (5RE0.2)TaO4 exhibits a low thermal conductivity (i.e., 1.68 W·m-1·K-1@900 ℃) and a high thermal expansion coefficient (i.e., 10.0×10-6 K-1@1 200 ℃). (5RE0.2)TaO4 shows a high fracture toughness (i.e., 2.6 MPa·m1/2) and a low brittleness index (i.e., 2.1 μm-1/2) because of the unique ferroelastic toughening effect. In addition, (5RE0.2)TaO4 also has a promising application prospect as one of thermal barrier coating materials.

, authors=Jun WANG1, Xiaoyun CHONG1, Jing FENG1, Min ZHANG2, Yuan YANG2, Dongpo LI2, Zifan ZHAO1, authorsList=Jun WANG, Xiaoyun CHONG, Jing FENG, Min ZHANG, Yuan YANG, Dongpo LI, Zifan ZHAO, authorCompany=null, correspAuthors=Zifan ZHAO, authorNote=

WANG Jun (1989-), male, Doctor candidate. E-mail:

, correspAuthorsNote=
ZHAO Zifan (1993-), male, Ph.D., Lecturer. E-mail:
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热障涂层的作用在于为先进航空发动机热端部件提供热防护，保障其在高温环境中安全服役。低热导率和高断裂韧性一直是新型热障涂层材料选择的关键性能指标。本工作通过固相反应合成了一种性能优异的高熵稀土钽酸盐陶瓷（Y0.2Dy0.2Sm0.2Yb0.2Er0.2）TaO4（（5RE0.2）TaO4）。结果表明：（5RE0.2）TaO4具有较低的热导率（1.68 W·m-1·K-1@900 ℃）和较高的热膨胀系数（10.0×10-6 K-1@1200 ℃）。此外，由于独特的铁弹增韧效应，（5RE0.2）TaO4具有较高的断裂韧性（2.6 MPa·m1/2）和较低的脆性指数（2.1 μm-1/2）。鉴于高熵稀土钽酸盐陶瓷优异的综合性能，（5RE0.2）TaO4在热障涂层材料领域具有良好的应用前景。

, authors=汪俊1, 种晓宇1, 冯晶1, 张敏2, 杨渊2, 李东坡2, 赵子樊1, authorsList=汪俊, 种晓宇, 冯晶, 张敏, 杨渊, 李东坡, 赵子樊, authorCompany=null, correspAuthors=赵子樊, authorNote=

汪俊（1989—），男，博士研究生。

, correspAuthorsNote=
赵子樊（1993—），男，博士，讲师。
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WANG Jun (1989-), male, Doctor candidate. E-mail:

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汪俊（1989—），男，博士研究生。

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汪俊（1989—），男，博士研究生。

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高熵铁弹性稀土钽酸盐热障涂层材料：(Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4
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汪俊 1 , 种晓宇 1 , 冯晶 1 , 张敏 2 , 杨渊 2 , 李东坡 2 , 赵子樊 1
硅酸盐学报 | 新型高熵陶瓷材料专题—研究论文 2022,50(6): 1481-1488
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硅酸盐学报 |新型高熵陶瓷材料专题—研究论文 2022 , 50 (6) : 1481 -1488
高熵铁弹性稀土钽酸盐热障涂层材料：(Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4
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汪俊1 , 种晓宇1, 冯晶1, 张敏2, 杨渊2, 李东坡2, 赵子樊1
作者信息
  • 1．昆明理工大学材料科学与工程学院，昆明 650093
  • 2．云南铜业股份有限公司西南铜业分公司，昆明 650000
通讯作者:
赵子樊（1993—），男，博士，讲师。
作者简介:

汪俊（1989—），男，博士研究生。

High-Entropy Ferroelastic Rare-earth Tantalate Thermal Barrier Coating Material: (Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4
Jun WANG1 , Xiaoyun CHONG1, Jing FENG1, Min ZHANG2, Yuan YANG2, Dongpo LI2, Zifan ZHAO1
Affiliations
  • 1.Faculty of Material Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 2.Yunnan Copper Company Limited, Southwest Copper Branch, Kunming 650000, China
    • Corresponding Author:
    ZHAO Zifan (1993-), male, Ph.D., Lecturer. E-mail:

    WANG Jun (1989-), male, Doctor candidate. E-mail:

出版时间: 2022-06-20 doi: 10.14062/j.issn.0454-5648.20220038
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热障涂层的作用在于为先进航空发动机热端部件提供热防护，保障其在高温环境中安全服役。低热导率和高断裂韧性一直是新型热障涂层材料选择的关键性能指标。本工作通过固相反应合成了一种性能优异的高熵稀土钽酸盐陶瓷（Y0.2Dy0.2Sm0.2Yb0.2Er0.2）TaO4（（5RE0.2）TaO4）。结果表明：（5RE0.2）TaO4具有较低的热导率（1.68 W·m-1·K-1@900 ℃）和较高的热膨胀系数（10.0×10-6 K-1@1200 ℃）。此外，由于独特的铁弹增韧效应，（5RE0.2）TaO4具有较高的断裂韧性（2.6 MPa·m1/2）和较低的脆性指数（2.1 μm-1/2）。鉴于高熵稀土钽酸盐陶瓷优异的综合性能，（5RE0.2）TaO4在热障涂层材料领域具有良好的应用前景。

稀土钽酸盐陶瓷  /  高熵陶瓷  /  热障涂层  /  铁弹增韧效应

The function of thermal barrier coating is to protect the hot components of advanced aero-engines from hot corrosion and ensures the hot components service in high-temperature environment safely. In general, a low thermal conductivity and a high fracture toughness are the key performance indexes for the selection of novel thermal barrier coating materials. In this work, a high-entropy rare-earth tantalate ceramic of (Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4 (i.e. (5RE0.2)TaO4) with the superior properties was synthesized via solid-state reaction. The results indicate that (5RE0.2)TaO4 exhibits a low thermal conductivity (i.e., 1.68 W·m-1·K-1@900 ℃) and a high thermal expansion coefficient (i.e., 10.0×10-6 K-1@1 200 ℃). (5RE0.2)TaO4 shows a high fracture toughness (i.e., 2.6 MPa·m1/2) and a low brittleness index (i.e., 2.1 μm-1/2) because of the unique ferroelastic toughening effect. In addition, (5RE0.2)TaO4 also has a promising application prospect as one of thermal barrier coating materials.

rare earth tantalate ceramics  /  high entropy ceramics  /  thermal barrier coating  /  ferroelastic toughening effect
汪俊, 种晓宇, 冯晶, 张敏, 杨渊, 李东坡, 赵子樊. 高熵铁弹性稀土钽酸盐热障涂层材料：(Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4. 硅酸盐学报, 2022 , 50 (6) : 1481 -1488 . DOI: 10.14062/j.issn.0454-5648.20220038
Jun WANG, Xiaoyun CHONG, Jing FENG, Min ZHANG, Yuan YANG, Dongpo LI, Zifan ZHAO. High-Entropy Ferroelastic Rare-earth Tantalate Thermal Barrier Coating Material: (Y0.2Dy0.2Sm0.2Yb0.2Er0.2)TaO4[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (6) : 1481 -1488 . DOI: 10.14062/j.issn.0454-5648.20220038
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  • 国家自然科学基金(91960103; 51762028)
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doi: 10.14062/j.issn.0454-5648.20220038
  • 接收时间：2022-01-13
  • 首发时间：2026-10-22
  • 出版时间：2022-06-20
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  • 收稿日期：2022-01-13
  • 修回日期：2022-02-17
基金
国家自然科学基金(91960103; 51762028)
作者信息
    1．昆明理工大学材料科学与工程学院，昆明 650093
    2．云南铜业股份有限公司西南铜业分公司，昆明 650000

通讯作者:

赵子樊（1993—），男，博士，讲师。
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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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