Article(id=1322944081214701625, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942634976752425, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200802, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1603468800000, receivedDateStr=2020-10-24, revisedDate=1606579200000, revisedDateStr=2020-11-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1793344048073, onlineDateStr=2026-10-30, pubDate=1626710400000, pubDateStr=2021-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793344048073, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793344048073, creator=13701087609, updateTime=1793344048073, updator=13701087609, issue=Issue{id=1322942634976752425, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='7', pageStart='1249', pageEnd='1518', issueExtLink='null', onlineDate='null', pubDate='1626710400000', pubDateStr='2021-07-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343703264, creator='13701087609', updateTime=1793345819416, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322951510828659213, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942634976752425, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322951510828659214, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942634976752425, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1439, endPage=1445, ext={EN=ArticleExt(id=1322944081910956090, articleId=1322944081214701625, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=High-temperature Mechanical Properties of Si3N4 Composite Ceramics Prepared by Freeze Gelation, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

Si3N4/BaAl2Si2O8(BAS) composite ceramics were prepared by a novel freeze gelation method. The flexural strength, flexural modulus, flexural fracture and microstructures of Si3N4/BAS composite ceramics were investigated at different temperatures (i.e., 25-1 400℃) and BAS contents (i.e., 7.5%-40.0%, in mass fraction). The results show that the high-temperature mechanical properties of Si3N4/BAS composite ceramics can be improved via the increasing of BAS content. At 1 400℃ and 40% BAS, the flexural strength and flexural modulus of Si3N4/BAS composite ceramics are 241 MPa and 92 GPa, respectively. At 25-1 400℃ and 30%-40% BAS, Si3N4/BAS composite ceramics become a rigid fracture mode, and the sintered body is mainly composed of β-Si3N4 and BAS without Si2N2O. In air, the testing samples show a surface oxidation phenomenon at 1 500℃, but the samples are not oxidized at <1 400℃.

, authors=Juanli YU, Zheng YANG, Jian ZHANG, Tianxiang ZHANG, Yuchen PEI, authorsList=Juanli YU, Zheng YANG, Jian ZHANG, Tianxiang ZHANG, Yuchen PEI, authorCompany=null, correspAuthors=null, authorNote=

YU Juanli (1978-), Female, Ph.D., Associate Professor. E-mail:

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采用新型冷冻胶凝陶瓷成型技术制备Si3N4/钡长石(BaAl2Si2O8,BAS)复相陶瓷材料,研究了不同温度(25~1400℃)和BAS含量(质量分数)条件下,Si3N4/BAS复相陶瓷材料弯曲强度、弯曲模量、弯曲断裂特性以及陶瓷微观结构。结果表明:BAS含量提高可显著提高材料高温力学性能,在1400℃和40%BAS含量时,Si3N4/BAS复相陶瓷材料弯曲强度和弯曲模量分别可达241.0 MPa和92.0 GPa。在25~1400℃,当BAS含量为30.0%~40.0%时,Si3N4/BAS试样加载断裂均表现为脆性断裂模式,此时材料烧结体主要由β-Si3N4和BAS两种晶相组成,不含Si2N2O晶相。当环境温度为1500℃空气条件下,不同BAS含量的试样均出现明显的表面氧化现象,温度低于1400℃时无表面氧化现象。

, authors=余娟丽, 杨铮, 张剑, 张天翔, 裴雨辰, authorsList=余娟丽, 杨铮, 张剑, 张天翔, 裴雨辰, authorCompany=null, correspAuthors=null, authorNote=

余娟丽(1978—),女,博士,高级工程师。

余娟丽,航天特种材料及工艺技术研究所,高级工程师,主任研究师。主要研究方向为高性能陶瓷透波材料。近年,负责规划论证并立项的有“重大自主创新项目”、“总装预研基金项目”、“国防科工进口替代”及“科技创新项目”等多个大型项目,获千万级全额国拨经费支持,同时参与多个重点项目的实施研究。在国内外重要学术期刊发表论文40余篇,SCI,EI收录·30余篇,会议论文2次获“优秀论文奖”,期刊论文连续被作为“重点推荐文章”及“封面文章”发表,在英文期刊发表综述2篇,单篇引用率超200余次;授权国家发明专利15项,曾获航天院“知识产权先进个人”称号。

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YU Juanli (1978-), Female, Ph.D., Associate Professor. E-mail:

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余娟丽,航天特种材料及工艺技术研究所,高级工程师,主任研究师。主要研究方向为高性能陶瓷透波材料。近年,负责规划论证并立项的有“重大自主创新项目”、“总装预研基金项目”、“国防科工进口替代”及“科技创新项目”等多个大型项目,获千万级全额国拨经费支持,同时参与多个重点项目的实施研究。在国内外重要学术期刊发表论文40余篇,SCI,EI收录·30余篇,会议论文2次获“优秀论文奖”,期刊论文连续被作为“重点推荐文章”及“封面文章”发表,在英文期刊发表综述2篇,单篇引用率超200余次;授权国家发明专利15项,曾获航天院“知识产权先进个人”称号。

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余娟丽,航天特种材料及工艺技术研究所,高级工程师,主任研究师。主要研究方向为高性能陶瓷透波材料。近年,负责规划论证并立项的有“重大自主创新项目”、“总装预研基金项目”、“国防科工进口替代”及“科技创新项目”等多个大型项目,获千万级全额国拨经费支持,同时参与多个重点项目的实施研究。在国内外重要学术期刊发表论文40余篇,SCI,EI收录·30余篇,会议论文2次获“优秀论文奖”,期刊论文连续被作为“重点推荐文章”及“封面文章”发表,在英文期刊发表综述2篇,单篇引用率超200余次;授权国家发明专利15项,曾获航天院“知识产权先进个人”称号。

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冷冻胶凝成型制备Si3N4复相陶瓷材料的高温力学特性
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余娟丽 , 杨铮 , 张剑 , 张天翔 , 裴雨辰
硅酸盐学报 | 研究论文 2021,49(7): 1439-1445
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硅酸盐学报 |研究论文 2021 , 49 (7) : 1439 -1445
冷冻胶凝成型制备Si3N4复相陶瓷材料的高温力学特性
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余娟丽 , 杨铮, 张剑, 张天翔, 裴雨辰
作者信息
  • 航天特种材料及工艺技术研究所,北京 100074
作者简介:

余娟丽(1978—),女,博士,高级工程师。

余娟丽,航天特种材料及工艺技术研究所,高级工程师,主任研究师。主要研究方向为高性能陶瓷透波材料。近年,负责规划论证并立项的有“重大自主创新项目”、“总装预研基金项目”、“国防科工进口替代”及“科技创新项目”等多个大型项目,获千万级全额国拨经费支持,同时参与多个重点项目的实施研究。在国内外重要学术期刊发表论文40余篇,SCI,EI收录·30余篇,会议论文2次获“优秀论文奖”,期刊论文连续被作为“重点推荐文章”及“封面文章”发表,在英文期刊发表综述2篇,单篇引用率超200余次;授权国家发明专利15项,曾获航天院“知识产权先进个人”称号。

High-temperature Mechanical Properties of Si3N4 Composite Ceramics Prepared by Freeze Gelation
Juanli YU , Zheng YANG, Jian ZHANG, Tianxiang ZHANG, Yuchen PEI
Affiliations
  • Research Institute of Aerospace Special Materials and Technology, Beijing 100074, China
  • YU Juanli (1978-), Female, Ph.D., Associate Professor. E-mail:

出版时间: 2021-07-20 doi: 10.14062/j.issn.0454-5648.20200802
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采用新型冷冻胶凝陶瓷成型技术制备Si3N4/钡长石(BaAl2Si2O8,BAS)复相陶瓷材料,研究了不同温度(25~1400℃)和BAS含量(质量分数)条件下,Si3N4/BAS复相陶瓷材料弯曲强度、弯曲模量、弯曲断裂特性以及陶瓷微观结构。结果表明:BAS含量提高可显著提高材料高温力学性能,在1400℃和40%BAS含量时,Si3N4/BAS复相陶瓷材料弯曲强度和弯曲模量分别可达241.0 MPa和92.0 GPa。在25~1400℃,当BAS含量为30.0%~40.0%时,Si3N4/BAS试样加载断裂均表现为脆性断裂模式,此时材料烧结体主要由β-Si3N4和BAS两种晶相组成,不含Si2N2O晶相。当环境温度为1500℃空气条件下,不同BAS含量的试样均出现明显的表面氧化现象,温度低于1400℃时无表面氧化现象。

冷冻凝胶  /  氮化硅  /  钡长石  /  断裂模式

Si3N4/BaAl2Si2O8(BAS) composite ceramics were prepared by a novel freeze gelation method. The flexural strength, flexural modulus, flexural fracture and microstructures of Si3N4/BAS composite ceramics were investigated at different temperatures (i.e., 25-1 400℃) and BAS contents (i.e., 7.5%-40.0%, in mass fraction). The results show that the high-temperature mechanical properties of Si3N4/BAS composite ceramics can be improved via the increasing of BAS content. At 1 400℃ and 40% BAS, the flexural strength and flexural modulus of Si3N4/BAS composite ceramics are 241 MPa and 92 GPa, respectively. At 25-1 400℃ and 30%-40% BAS, Si3N4/BAS composite ceramics become a rigid fracture mode, and the sintered body is mainly composed of β-Si3N4 and BAS without Si2N2O. In air, the testing samples show a surface oxidation phenomenon at 1 500℃, but the samples are not oxidized at <1 400℃.

freeze-gelation  /  silicon nitride  /  celsian  /  fracture mode
余娟丽, 杨铮, 张剑, 张天翔, 裴雨辰. 冷冻胶凝成型制备Si3N4复相陶瓷材料的高温力学特性. 硅酸盐学报, 2021 , 49 (7) : 1439 -1445 . DOI: 10.14062/j.issn.0454-5648.20200802
Juanli YU, Zheng YANG, Jian ZHANG, Tianxiang ZHANG, Yuchen PEI. High-temperature Mechanical Properties of Si3N4 Composite Ceramics Prepared by Freeze Gelation[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (7) : 1439 -1445 . DOI: 10.14062/j.issn.0454-5648.20200802

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doi: 10.14062/j.issn.0454-5648.20200802
  • 接收时间:2020-10-24
  • 首发时间:2026-10-30
  • 出版时间:2021-07-20
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  • 收稿日期:2020-10-24
  • 修回日期:2020-11-29
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    航天特种材料及工艺技术研究所,北京 100074
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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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