Article(id=1318977229124653665, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318977205884014990, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230273, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1682438400000, receivedDateStr=2023-04-26, revisedDate=1685548800000, revisedDateStr=2023-06-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1792398276835, onlineDateStr=2026-10-19, pubDate=1689782400000, pubDateStr=2023-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792398276835, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792398276835, creator=13701087609, updateTime=1792398276835, updator=13701087609, issue=Issue{id=1318977205884014990, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='12', pageStart='3039', pageEnd='3250', issueExtLink='null', onlineDate='null', pubDate='1703001600000', pubDateStr='2023-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792398271294, creator='13701087609', updateTime=1792399409679, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981980671295626, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318977205884014990, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981980671295627, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318977205884014990, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3159, endPage=3168, ext={EN=ArticleExt(id=1318977229305008738, articleId=1318977229124653665, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Microstructure and Mechanical Properties of SiCw/SiC Ceramics Prepared by Binder Jetting Additive Manufacturing Combined with Liquid Silicon Infiltration, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Silicon carbide (SiC) ceramic has a broad application prospect in aerospace and nuclear power industries due to its advantages of high strength, high hardness and low density. However, the processing difficulty and low toughness of SiC hinder its application. To solve the problems above, SiCw/SiC composites containing different silicon carbide whiskers (SiCw) were prepared via binder jetting additive manufacturing and liquid silicon infiltration. The experimental results show that the flexural strength and fracture toughness of the composite can be 215.29 MPa and 3.25 MPa·m1/2 when SiCw contentis 7.5% (in volume fraction), and the hardness is 23.06 HV at 5% SiCw. However, the residual silicon phase content within the composite elevates, and the mechanical properties deteriorates when SiCw content further increases. The two carbonization processes to the green parts effectively reduce Si phase content and increase the flexural strength, fracture toughness, and hardness by 10.15%, 10.46%, and 10.58%, respectively. SiCw is added as a reinforcing and toughening agent for the composite ceramic via deflection cracking, pulling out and fracturing.

, authors=Shidong HU, Kunhao FENG, Qihang WANG, Jiaming YUAN, Yiwei MAO, Daosheng CAI, Qingsong WEI, authorsList=Shidong HU, Kunhao FENG, Qihang WANG, Jiaming YUAN, Yiwei MAO, Daosheng CAI, Qingsong WEI, authorCompany=null, correspAuthors=Qingsong WEI, authorNote=

HU Shidong (1999-), male, Master candidate. E-mail:

, correspAuthorsNote=
WEI Qingsong (1975-), male, Ph.D., 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=1318977229565055587, articleId=1318977229124653665, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=黏结剂喷射增材制造结合液硅反应熔渗制备SiCw/SiC陶瓷的微观组织和力学性能, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

SiC陶瓷凭借其高强度、高硬度和低密度等优势,在航空航天、核电工业等领域有着广阔的应用前景。但由于SiC加工难度高、韧性低,阻碍了其广泛应用。为解决上述问题,本研究采用黏结剂喷射增材制造(BJAM)结合液硅反应熔渗技术(LSI)制备了不同碳化硅晶须含量(SiCw)的SiCw/SiC复合材料。结果表明,当SiCw含量达到7.5%(体积分数)时,材料的弯曲强度和断裂韧性达到最大值分别为215.29 MPa和3.25 MPa·m1/2,硬度则在SiCw为5%达到23.06 HV的峰值。但当SiCw含量继续升高后,材料内部残余硅相含量提升,力学性能发生恶化。对打印初坯进行2次增碳可有效降低材料内部硅相含量,弯曲强度、断裂韧性和硬度最大分别提升10.15%、10.46%和10.58%。引入的SiCw通过偏折裂纹、拔出和折断等方式起到了对复合陶瓷材料的增强增韧作用。

, authors=胡时东, 冯琨皓, 王启航, 袁嘉明, 毛贻桅, 蔡道生, 魏青松, authorsList=胡时东, 冯琨皓, 王启航, 袁嘉明, 毛贻桅, 蔡道生, 魏青松, authorCompany=null, correspAuthors=魏青松, authorNote=

胡时东(1999—),男,硕士研究生。

, correspAuthorsNote=
魏青松(1975—),男,博士,教授。
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黏结剂喷射增材制造结合液硅反应熔渗制备SiCw/SiC陶瓷的微观组织和力学性能
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胡时东 , 冯琨皓 , 王启航 , 袁嘉明 , 毛贻桅 , 蔡道生 , 魏青松
硅酸盐学报 | 研究论文 2023,51(12): 3159-3168
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硅酸盐学报 |研究论文 2023 , 51 (12) : 3159 -3168
黏结剂喷射增材制造结合液硅反应熔渗制备SiCw/SiC陶瓷的微观组织和力学性能
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胡时东(1999—),男,硕士研究生。

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胡时东 , 冯琨皓, 王启航, 袁嘉明, 毛贻桅, 蔡道生, 魏青松
作者信息
  • 华中科技大学材料科学与工程学院材料成形与模具技术国家重点试验室,武汉 430074
通讯作者:
魏青松(1975—),男,博士,教授。
作者简介:

胡时东(1999—),男,硕士研究生。

Microstructure and Mechanical Properties of SiCw/SiC Ceramics Prepared by Binder Jetting Additive Manufacturing Combined with Liquid Silicon Infiltration
Shidong HU , Kunhao FENG, Qihang WANG, Jiaming YUAN, Yiwei MAO, Daosheng CAI, Qingsong WEI
Affiliations
  • State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • Corresponding Author:
    WEI Qingsong (1975-), male, Ph.D., Professor. E-mail:

    HU Shidong (1999-), male, Master candidate. E-mail:

出版时间: 2023-07-20 doi: 10.14062/j.issn.0454-5648.20230273
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SiC陶瓷凭借其高强度、高硬度和低密度等优势,在航空航天、核电工业等领域有着广阔的应用前景。但由于SiC加工难度高、韧性低,阻碍了其广泛应用。为解决上述问题,本研究采用黏结剂喷射增材制造(BJAM)结合液硅反应熔渗技术(LSI)制备了不同碳化硅晶须含量(SiCw)的SiCw/SiC复合材料。结果表明,当SiCw含量达到7.5%(体积分数)时,材料的弯曲强度和断裂韧性达到最大值分别为215.29 MPa和3.25 MPa·m1/2,硬度则在SiCw为5%达到23.06 HV的峰值。但当SiCw含量继续升高后,材料内部残余硅相含量提升,力学性能发生恶化。对打印初坯进行2次增碳可有效降低材料内部硅相含量,弯曲强度、断裂韧性和硬度最大分别提升10.15%、10.46%和10.58%。引入的SiCw通过偏折裂纹、拔出和折断等方式起到了对复合陶瓷材料的增强增韧作用。

黏结剂喷射  /  碳化硅  /  碳化硅晶须  /  液硅反应熔渗  /  断裂韧性  /  增材制造

Silicon carbide (SiC) ceramic has a broad application prospect in aerospace and nuclear power industries due to its advantages of high strength, high hardness and low density. However, the processing difficulty and low toughness of SiC hinder its application. To solve the problems above, SiCw/SiC composites containing different silicon carbide whiskers (SiCw) were prepared via binder jetting additive manufacturing and liquid silicon infiltration. The experimental results show that the flexural strength and fracture toughness of the composite can be 215.29 MPa and 3.25 MPa·m1/2 when SiCw contentis 7.5% (in volume fraction), and the hardness is 23.06 HV at 5% SiCw. However, the residual silicon phase content within the composite elevates, and the mechanical properties deteriorates when SiCw content further increases. The two carbonization processes to the green parts effectively reduce Si phase content and increase the flexural strength, fracture toughness, and hardness by 10.15%, 10.46%, and 10.58%, respectively. SiCw is added as a reinforcing and toughening agent for the composite ceramic via deflection cracking, pulling out and fracturing.

binder jetting  /  silicon carbide  /  silicon carbide whisker  /  reaction sintering  /  fracture toughness  /  additive manufacturing
胡时东, 冯琨皓, 王启航, 袁嘉明, 毛贻桅, 蔡道生, 魏青松. 黏结剂喷射增材制造结合液硅反应熔渗制备SiCw/SiC陶瓷的微观组织和力学性能. 硅酸盐学报, 2023 , 51 (12) : 3159 -3168 . DOI: 10.14062/j.issn.0454-5648.20230273
Shidong HU, Kunhao FENG, Qihang WANG, Jiaming YUAN, Yiwei MAO, Daosheng CAI, Qingsong WEI. Microstructure and Mechanical Properties of SiCw/SiC Ceramics Prepared by Binder Jetting Additive Manufacturing Combined with Liquid Silicon Infiltration[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (12) : 3159 -3168 . DOI: 10.14062/j.issn.0454-5648.20230273
  • 武汉市科技项目(2020010602012037)
  • 湖北省重点研发项目(2020BAB049)
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2023年第51卷第12期
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doi: 10.14062/j.issn.0454-5648.20230273
  • 接收时间:2023-04-26
  • 首发时间:2026-10-19
  • 出版时间:2023-07-20
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  • 收稿日期:2023-04-26
  • 修回日期:2023-06-01
基金
武汉市科技项目(2020010602012037)
湖北省重点研发项目(2020BAB049)
作者信息
    华中科技大学材料科学与工程学院材料成形与模具技术国家重点试验室,武汉 430074

通讯作者:

魏青松(1975—),男,博士,教授。
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2种不同金属材料的力学参数
科
Family
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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