Article(id=1319986594795336301, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986532933555119, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210901, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1634745600000, receivedDateStr=2021-10-21, revisedDate=1641398400000, revisedDateStr=2022-01-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1792638928363, onlineDateStr=2026-10-22, pubDate=1655654400000, pubDateStr=2022-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792638928363, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792638928363, creator=13701087609, updateTime=1792638928363, 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=1499, endPage=1503, ext={EN=ArticleExt(id=1319986595009245806, articleId=1319986594795336301, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of High-Entropy Boride Content on Microstructure and Mechanical Properties of Silicon Nitride Ceramics, columnId=1321892005832151399, journalTitle=Journal of the Chinese Ceramic Society, columnName=Advanced High Entropy Ceramics—Research Articles, runingTitle=null, highlight=null, articleAbstract=

Silicon nitride (Si3N4) ceramics have a wide potential application in industrial processes, but high fracture toughness and hardness are always difficult to be handled, thus affecting the application of Si3N4 ceramics. In this paper, silicon nitride ceramics were fabricated via spark plasma sintering at 1 600 ℃ with high-entropy boride phase (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 as sintering aids. The effect of (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 on the phase assemblage, densification, microstructure and mechanical properties was investigated. Compared with (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2-free Si3N4 ceramic, the addition of only 1.0% (in volume fraction) (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 in the ceramic can increase the mass fraction of β-Si3N4 from 38% to 53% at 1 600 ℃, showing a bimodal microstructure. As a consequence, the fracture toughness of Si3N4-based ceramic increases from (5.4±0.3) MPa·m1/2 to (6.9±0.2) MPa·m1/2, and the hardness maintains (20.2±0.2) GPa. The relative density of Si3N4-based ceramics decreases and the phase transformation enhances with increasing the high-entropy boride fraction to 2.5% and 5.0%, thus leading to a decrease in the hardness.

, authors=Ruilin LIN, Qiankun GU, Sichun LUO, Yan ZHANG, Weiming GUO, Huatai LIN, authorsList=Ruilin LIN, Qiankun GU, Sichun LUO, Yan ZHANG, Weiming GUO, Huatai LIN, authorCompany=null, correspAuthors=Weiming GUO, authorNote=

LIN Ruilin (1997-), male, Master candidate. E-mail:

, correspAuthorsNote=
GUO Weiming (1982-), male, Ph.D., Professor. E-mail:
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氮化硅(Si3N4)陶瓷具有广泛的工业应用潜力,但其硬度和断裂韧性往往难以兼顾,这会限制到Si3N4陶瓷的应用。为了获得兼具高硬度和高韧性的Si3N4陶瓷,以高熵硼化物(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2为添加剂,使用放电等离子烧结法在1600 ℃制备了Si3N4陶瓷材料。研究了(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2对Si3N4陶瓷的相组合、致密度、显微组织和力学性能的影响。结果表明:与未添加(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2的Si3N4陶瓷相比,在较低的烧结温度下(1600 ℃),仅添加1.0%(体积分数)的(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2就能将β-Si3N4的质量分数从38%提高到53%,获得双峰显微结构。因而,Si3N4基陶瓷的断裂韧性从(5.4±0.3) MPa·m1/2提升到(6.9±0.2) MPa·m1/2,而硬度维持在(20.2±0.2) GPa。随着高熵硼化物的含量增加到2.5%和5.0%,Si3N4基陶瓷致密度降低且相变进一步增加,导致硬度降低。

, authors=林锐霖, 顾乾坤, 罗嗣春, 张岩, 郭伟明, 林华泰, authorsList=林锐霖, 顾乾坤, 罗嗣春, 张岩, 郭伟明, 林华泰, authorCompany=null, correspAuthors=郭伟明, authorNote=

林锐霖(1997—),男,硕士研究生。

, correspAuthorsNote=
郭伟明(1982—),男,博士,教授。
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高熵硼化物含量对Si3N4陶瓷显微结构与性能的影响
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林锐霖 , 顾乾坤 , 罗嗣春 , 张岩 , 郭伟明 , 林华泰
硅酸盐学报 | 新型高熵陶瓷材料专题—研究论文 2022,50(6): 1499-1503
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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) : 1499 -1503
高熵硼化物含量对Si3N4陶瓷显微结构与性能的影响
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林锐霖 , 顾乾坤, 罗嗣春, 张岩, 郭伟明 , 林华泰
作者信息
  • 广东工业大学机电工程学院,广州 510006
通讯作者:
郭伟明(1982—),男,博士,教授。
作者简介:

林锐霖(1997—),男,硕士研究生。

Effect of High-Entropy Boride Content on Microstructure and Mechanical Properties of Silicon Nitride Ceramics
Ruilin LIN , Qiankun GU, Sichun LUO, Yan ZHANG, Weiming GUO , Huatai LIN
Affiliations
  • School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • Corresponding Author:
    GUO Weiming (1982-), male, Ph.D., Professor. E-mail:

    LIN Ruilin (1997-), male, Master candidate. E-mail:

出版时间: 2022-06-20 doi: 10.14062/j.issn.0454-5648.20210901
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氮化硅(Si3N4)陶瓷具有广泛的工业应用潜力,但其硬度和断裂韧性往往难以兼顾,这会限制到Si3N4陶瓷的应用。为了获得兼具高硬度和高韧性的Si3N4陶瓷,以高熵硼化物(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2为添加剂,使用放电等离子烧结法在1600 ℃制备了Si3N4陶瓷材料。研究了(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2对Si3N4陶瓷的相组合、致密度、显微组织和力学性能的影响。结果表明:与未添加(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2的Si3N4陶瓷相比,在较低的烧结温度下(1600 ℃),仅添加1.0%(体积分数)的(Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2就能将β-Si3N4的质量分数从38%提高到53%,获得双峰显微结构。因而,Si3N4基陶瓷的断裂韧性从(5.4±0.3) MPa·m1/2提升到(6.9±0.2) MPa·m1/2,而硬度维持在(20.2±0.2) GPa。随着高熵硼化物的含量增加到2.5%和5.0%,Si3N4基陶瓷致密度降低且相变进一步增加,导致硬度降低。

氮化硅陶瓷  /  高熵硼化物  /  相组成  /  显微结构  /  力学性能

Silicon nitride (Si3N4) ceramics have a wide potential application in industrial processes, but high fracture toughness and hardness are always difficult to be handled, thus affecting the application of Si3N4 ceramics. In this paper, silicon nitride ceramics were fabricated via spark plasma sintering at 1 600 ℃ with high-entropy boride phase (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 as sintering aids. The effect of (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 on the phase assemblage, densification, microstructure and mechanical properties was investigated. Compared with (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2-free Si3N4 ceramic, the addition of only 1.0% (in volume fraction) (Hf0.2Zr0.2Ta0.2Cr0.2Ti0.2)B2 in the ceramic can increase the mass fraction of β-Si3N4 from 38% to 53% at 1 600 ℃, showing a bimodal microstructure. As a consequence, the fracture toughness of Si3N4-based ceramic increases from (5.4±0.3) MPa·m1/2 to (6.9±0.2) MPa·m1/2, and the hardness maintains (20.2±0.2) GPa. The relative density of Si3N4-based ceramics decreases and the phase transformation enhances with increasing the high-entropy boride fraction to 2.5% and 5.0%, thus leading to a decrease in the hardness.

silicon nitride ceramic  /  high-entropy boride  /  phase assemblage  /  microstructure  /  mechanical properties
林锐霖, 顾乾坤, 罗嗣春, 张岩, 郭伟明, 林华泰. 高熵硼化物含量对Si3N4陶瓷显微结构与性能的影响. 硅酸盐学报, 2022 , 50 (6) : 1499 -1503 . DOI: 10.14062/j.issn.0454-5648.20210901
Ruilin LIN, Qiankun GU, Sichun LUO, Yan ZHANG, Weiming GUO, Huatai LIN. Effect of High-Entropy Boride Content on Microstructure and Mechanical Properties of Silicon Nitride Ceramics[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (6) : 1499 -1503 . DOI: 10.14062/j.issn.0454-5648.20210901
  • 国家自然科学基金面上项目(5217020162)
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doi: 10.14062/j.issn.0454-5648.20210901
  • 接收时间:2021-10-21
  • 首发时间:2026-10-22
  • 出版时间:2022-06-20
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  • 收稿日期:2021-10-21
  • 修回日期:2022-01-06
基金
国家自然科学基金面上项目(5217020162)
作者信息
    广东工业大学机电工程学院,广州 510006

通讯作者:

郭伟明(1982—),男,博士,教授。
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2种不同金属材料的力学参数
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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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