Article(id=1322943303536214328, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200461, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1561651200000, receivedDateStr=2019-06-28, revisedDate=1564243200000, revisedDateStr=2019-07-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343862660, onlineDateStr=2026-10-30, pubDate=1616169600000, pubDateStr=2021-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343862660, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343862660, creator=13701087609, updateTime=1793343862660, updator=13701087609, issue=Issue{id=1322942495801356913, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='3', pageStart='441', pageEnd='604', issueExtLink='null', onlineDate='null', pubDate='1616169600000', pubDateStr='2021-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343670081, creator='13701087609', updateTime=1793345495044, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950150322258738, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950150322258739, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=461, endPage=468, ext={EN=ArticleExt(id=1322943304723202364, articleId=1322943303536214328, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effects of TiB2 on Microstructure and Mechanical Properties of Pressure-less-sintered B4C-TiB2 Composites, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Boron carbide matrix composites containing boron carbide (B4C), titanium diboride (TiB2) at 20% (mass fraction) and 30%, and titanium carbide (TiC) were fabricated at 2 130℃ using a pressure-less sintering method. Different amounts of TiB2 and TiC particles were added to B4C. TiB2 content was chosen as the main variable to study the effect on the composites. The density, hardness, bending strengths and fracture toughness measurements were performed to obtain the physical and mechanical properties of the samples. The results indicate that by adding 30%TiB2 sub-micron particles at 2 130℃, the bending strength and fracture toughness of 277.6 MPa and 5.38 MPa·m1/2 were obtained for the composite. Particle pullout and crack micro-bridging play an effective role in toughening the composite ceramics. The main toughening mechanisms of the B4C-TiB2 composites are noted to possess microcrack and crack deflection toughening owing to the residual stresses resulting from the mismatch of the thermal expansion coefficient between TiB2 and B4C.

, authors=Zongjia LI1, Huanwu CHENG1, 2, Yangwei WANG1, 2, Yu ZHU1, Rui AN1, Haiyan FANG1, Feiya AILI1, authorsList=Zongjia LI, Huanwu CHENG, Yangwei WANG, Yu ZHU, Rui AN, Haiyan FANG, Feiya AILI, authorCompany=null, correspAuthors=Huanwu CHENG, authorNote=

LI Zongjia (1995-), male, Master candidate. E-mail:

, correspAuthorsNote=
CHENG Huanwu (1967-), male, Ph.D., associate Professor. E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322943305981493567, articleId=1322943303536214328, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=TiB2对无压烧结B4C-TiB2复相陶瓷结构和性能的影响, columnId=0, journalTitle=硅酸盐学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

以碳化硼(B4C)、二硼化钛(TiB2)、碳化钛(TiC)为原料,采用无压烧结法在2 130℃制备了含20%(质量分数)和30%TiB2的B4C基复相陶瓷,分析所制样品的密度、硬度、弯曲强度和断裂韧性。结果表明:在2 130℃,直接加入30%的TiB2亚微米颗粒,复相陶瓷的抗弯强度和断裂韧性分别达到277.6 MPa和5.38 MPa·m1/2。陶瓷中颗粒拔出和裂纹微桥接对复相陶瓷增韧作用显著。B4C-TiB2复相陶瓷的增韧机理主要是由于TiB2与B4C热膨胀系数不匹配产生的残余应力导致的微裂纹增韧和裂纹偏转增韧。

, authors=李宗家1, 程焕武1, 2, 王扬卫1, 2, 朱宇1, 安瑞1, 方海燕1, 艾丽菲亚1, authorsList=李宗家, 程焕武, 王扬卫, 朱宇, 安瑞, 方海燕, 艾丽菲亚, authorCompany=null, correspAuthors=程焕武, authorNote=

李宗家(1995—),男,硕士研究生。

, correspAuthorsNote=
程焕武(1967—),男,副研究员。
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LI Zongjia (1995-), male, Master candidate. E-mail:

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李宗家(1995—),男,硕士研究生。

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TiB2对无压烧结B4C-TiB2复相陶瓷结构和性能的影响
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李宗家 1 , 程焕武 1, 2 , 王扬卫 1, 2 , 朱宇 1 , 安瑞 1 , 方海燕 1 , 艾丽菲亚 1
硅酸盐学报 | 2021,49(3): 461-468
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硅酸盐学报 | 2021 , 49 (3) : 461 -468
TiB2对无压烧结B4C-TiB2复相陶瓷结构和性能的影响
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李宗家1 , 程焕武1, 2 , 王扬卫1, 2, 朱宇1, 安瑞1, 方海燕1, 艾丽菲亚1
作者信息
  • 1.北京理工大学材料学院,北京 100081
  • 2.冲击环境下材料技术重点实验室,北京 100081
通讯作者:
程焕武(1967—),男,副研究员。
作者简介:

李宗家(1995—),男,硕士研究生。

Effects of TiB2 on Microstructure and Mechanical Properties of Pressure-less-sintered B4C-TiB2 Composites
Zongjia LI1 , Huanwu CHENG1, 2 , Yangwei WANG1, 2, Yu ZHU1, Rui AN1, Haiyan FANG1, Feiya AILI1
Affiliations
  • 1.School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
  • 2.National Key Laboratory of Science and Technology on Materials under Shock and Impact, Beijing Institute of Technology, Beijing 100081, China
  • Corresponding Author:
    CHENG Huanwu (1967-), male, Ph.D., associate Professor. E-mail:

    LI Zongjia (1995-), male, Master candidate. E-mail:

出版时间: 2021-03-20 doi: 10.14062/j.issn.0454-5648.20200461
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以碳化硼(B4C)、二硼化钛(TiB2)、碳化钛(TiC)为原料,采用无压烧结法在2 130℃制备了含20%(质量分数)和30%TiB2的B4C基复相陶瓷,分析所制样品的密度、硬度、弯曲强度和断裂韧性。结果表明:在2 130℃,直接加入30%的TiB2亚微米颗粒,复相陶瓷的抗弯强度和断裂韧性分别达到277.6 MPa和5.38 MPa·m1/2。陶瓷中颗粒拔出和裂纹微桥接对复相陶瓷增韧作用显著。B4C-TiB2复相陶瓷的增韧机理主要是由于TiB2与B4C热膨胀系数不匹配产生的残余应力导致的微裂纹增韧和裂纹偏转增韧。

无压烧结  /  碳化硼-硼化钛复相陶瓷  /  微观结构  /  力学性能

Boron carbide matrix composites containing boron carbide (B4C), titanium diboride (TiB2) at 20% (mass fraction) and 30%, and titanium carbide (TiC) were fabricated at 2 130℃ using a pressure-less sintering method. Different amounts of TiB2 and TiC particles were added to B4C. TiB2 content was chosen as the main variable to study the effect on the composites. The density, hardness, bending strengths and fracture toughness measurements were performed to obtain the physical and mechanical properties of the samples. The results indicate that by adding 30%TiB2 sub-micron particles at 2 130℃, the bending strength and fracture toughness of 277.6 MPa and 5.38 MPa·m1/2 were obtained for the composite. Particle pullout and crack micro-bridging play an effective role in toughening the composite ceramics. The main toughening mechanisms of the B4C-TiB2 composites are noted to possess microcrack and crack deflection toughening owing to the residual stresses resulting from the mismatch of the thermal expansion coefficient between TiB2 and B4C.

pressure-less sintering  /  boron carbide-titanium diboride composites  /  microstructure  /  mechanical properties
李宗家, 程焕武, 王扬卫, 朱宇, 安瑞, 方海燕, 艾丽菲亚. TiB2对无压烧结B4C-TiB2复相陶瓷结构和性能的影响. 硅酸盐学报, 2021 , 49 (3) : 461 -468 . DOI: 10.14062/j.issn.0454-5648.20200461
Zongjia LI, Huanwu CHENG, Yangwei WANG, Yu ZHU, Rui AN, Haiyan FANG, Feiya AILI. Effects of TiB2 on Microstructure and Mechanical Properties of Pressure-less-sintered B4C-TiB2 Composites[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (3) : 461 -468 . DOI: 10.14062/j.issn.0454-5648.20200461

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doi: 10.14062/j.issn.0454-5648.20200461
  • 接收时间:2019-06-28
  • 首发时间:2026-10-30
  • 出版时间:2021-03-20
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  • 收稿日期:2019-06-28
  • 修回日期:2019-07-28
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作者信息
    1.北京理工大学材料学院,北京 100081
    2.冲击环境下材料技术重点实验室,北京 100081

通讯作者:

程焕武(1967—),男,副研究员。
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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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Number of
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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