Article(id=1322612205674148286, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612191723897081, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190308, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1557331200000, receivedDateStr=2019-05-09, revisedDate=1560182400000, revisedDateStr=2019-06-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264922778, onlineDateStr=2026-10-29, pubDate=1584633600000, pubDateStr=2020-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264922778, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264922778, creator=13701087609, updateTime=1793264922778, updator=13701087609, issue=Issue{id=1322612191723897081, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='3', pageStart='325', pageEnd='462', issueExtLink='null', onlineDate='null', pubDate='1584633600000', pubDateStr='2020-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264919452, creator='13701087609', updateTime=1793277037156, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663017125368549, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612191723897081, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663017125368550, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612191723897081, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=356, endPage=361, ext={EN=ArticleExt(id=1322612205875474879, articleId=1322612205674148286, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Titanium Boride on Microstructure and Properties of Boron Carbide by Pressureless Sintering, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

B4C-TiB2 multi-phase ceramics were prepared in a pressureless vacuum sintering-furnace at different temperatures with TiB2 added into B4C matrix as a second phase substance, and C and Si as sintering aids. The density, hardness, bending strength and fracture toughness of the samples were determined. The influences of composition ratio of B4C-TiB2 and sintering temperature on the microstructure and mechanical properties of the multiphase ceramics were investigated by X-ray diffraction, energy dispersive spectroscopy and scanning electron microscopy. The toughening mechanism of ceramics was discussed. The results show that the optimum density and comprehensive mechanical properties of the multiphase ceramics (i.e., the relative density of 94.59%, the Rockwell hardness of 87.62, the bending strength of 182 MPa, and the fracture toughness of 3.97 MPa·m1/2 can be obtained at a sintering temperature of 2 200 ℃ and TiB2 content of 30%. The TiB2 particles can effectively nail the grain boundary, inhibit the growth of B4C grains and play a role in fine-grain strengthening. The TiB2 and laminated graphite phase hinder the crack growth, thus improving the fracture toughness.

, authors=Zongjia LI1, Jiamin ZHANG1, Huanwu CHENG1, 2, Yangwei WANG1, 2, Yu ZHU1, Rui AN1, authorsList=Zongjia LI, Jiamin ZHANG, Huanwu CHENG, Yangwei WANG, Yu ZHU, Rui AN, authorCompany=null, correspAuthors=Huanwu CHENG, authorNote=

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

, correspAuthorsNote=
CHENG Huanwu (1967-), male, PH.D., Associate Professor. E-mail:
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利用无压真空烧结炉,选用C和Si作为烧结助剂,将不同含量的TiB2作为第二相添加到B4C基体中,在不同温度下进行无压烧结制备出B4C-TiB2复相陶瓷。研究了B4C-TiB2成分配比和烧结温度对复相陶瓷微观结构和力学性能的影响,以及B4C-TiB2复相陶瓷的增韧机理。结果表明:当烧结温度为2 200 ℃、TiB2含量为30%时,所制复相陶瓷的致密度及综合力学性能最高,致密度为94.59%,洛氏硬度、抗弯强度和断裂韧度分别为87.62、182 MPa、3.97 MPa·m1/2;TiB2颗粒能有效的钉扎晶界,抑制B4C晶粒的长大,起到细晶强化的作用,TiB2和叠层状石墨相阻碍了裂纹扩展,提高复相陶瓷的断裂韧性。

, authors=李宗家1, 张佳敏1, 程焕武1, 2, 王扬卫1, 2, 朱宇1, 安瑞1, authorsList=李宗家, 张佳敏, 程焕武, 王扬卫, 朱宇, 安瑞, authorCompany=null, correspAuthors=程焕武, authorNote=

李宗家(1995—),男,硕士研究生。

, correspAuthorsNote=
程焕武(1967—),男,博士,副研究员。
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李宗家(1995—),男,硕士研究生。

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硼化钛对无压烧结碳化硼结构和性能的影响
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李宗家 1 , 张佳敏 1 , 程焕武 1, 2 , 王扬卫 1, 2 , 朱宇 1 , 安瑞 1
硅酸盐学报 | 2020,48(3): 356-361
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硅酸盐学报 | 2020 , 48 (3) : 356 -361
硼化钛对无压烧结碳化硼结构和性能的影响
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李宗家1 , 张佳敏1, 程焕武1, 2 , 王扬卫1, 2, 朱宇1, 安瑞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,博士,副研究员。
作者简介:

李宗家(1995—),男,硕士研究生。

Effect of Titanium Boride on Microstructure and Properties of Boron Carbide by Pressureless Sintering
Zongjia LI1 , Jiamin ZHANG1, Huanwu CHENG1, 2 , Yangwei WANG1, 2, Yu ZHU1, Rui AN1
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-mai:

出版时间: 2020-03-20 doi: 10.14062/j.issn.0454-5648.20190308
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利用无压真空烧结炉,选用C和Si作为烧结助剂,将不同含量的TiB2作为第二相添加到B4C基体中,在不同温度下进行无压烧结制备出B4C-TiB2复相陶瓷。研究了B4C-TiB2成分配比和烧结温度对复相陶瓷微观结构和力学性能的影响,以及B4C-TiB2复相陶瓷的增韧机理。结果表明:当烧结温度为2 200 ℃、TiB2含量为30%时,所制复相陶瓷的致密度及综合力学性能最高,致密度为94.59%,洛氏硬度、抗弯强度和断裂韧度分别为87.62、182 MPa、3.97 MPa·m1/2;TiB2颗粒能有效的钉扎晶界,抑制B4C晶粒的长大,起到细晶强化的作用,TiB2和叠层状石墨相阻碍了裂纹扩展,提高复相陶瓷的断裂韧性。

碳化硼  /  硼化钛  /  复相陶瓷  /  无压烧结  /  增韧

B4C-TiB2 multi-phase ceramics were prepared in a pressureless vacuum sintering-furnace at different temperatures with TiB2 added into B4C matrix as a second phase substance, and C and Si as sintering aids. The density, hardness, bending strength and fracture toughness of the samples were determined. The influences of composition ratio of B4C-TiB2 and sintering temperature on the microstructure and mechanical properties of the multiphase ceramics were investigated by X-ray diffraction, energy dispersive spectroscopy and scanning electron microscopy. The toughening mechanism of ceramics was discussed. The results show that the optimum density and comprehensive mechanical properties of the multiphase ceramics (i.e., the relative density of 94.59%, the Rockwell hardness of 87.62, the bending strength of 182 MPa, and the fracture toughness of 3.97 MPa·m1/2 can be obtained at a sintering temperature of 2 200 ℃ and TiB2 content of 30%. The TiB2 particles can effectively nail the grain boundary, inhibit the growth of B4C grains and play a role in fine-grain strengthening. The TiB2 and laminated graphite phase hinder the crack growth, thus improving the fracture toughness.

boron carbide  /  titanium boride  /  multiphase ceramics  /  pressureless sintering  /  toughening
李宗家, 张佳敏, 程焕武, 王扬卫, 朱宇, 安瑞. 硼化钛对无压烧结碳化硼结构和性能的影响. 硅酸盐学报, 2020 , 48 (3) : 356 -361 . DOI: 10.14062/j.issn.0454-5648.20190308
Zongjia LI, Jiamin ZHANG, Huanwu CHENG, Yangwei WANG, Yu ZHU, Rui AN. Effect of Titanium Boride on Microstructure and Properties of Boron Carbide by Pressureless Sintering[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (3) : 356 -361 . DOI: 10.14062/j.issn.0454-5648.20190308

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doi: 10.14062/j.issn.0454-5648.20190308
  • 接收时间:2019-05-09
  • 首发时间:2026-10-29
  • 出版时间:2020-03-20
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  • 收稿日期:2019-05-09
  • 修回日期:2019-06-11
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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,博士,副研究员。
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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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