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Article(id=1319236734009848220, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236705027207343, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220168, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1646582400000, receivedDateStr=2022-03-07, revisedDate=1651593600000, revisedDateStr=2022-05-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460147621, onlineDateStr=2026-10-20, pubDate=1666195200000, pubDateStr=2022-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460147621, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460147621, creator=13701087609, updateTime=1792460147621, updator=13701087609, issue=Issue{id=1319236705027207343, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='10', pageStart='2579', pageEnd='2808', issueExtLink='null', onlineDate='null', pubDate='1666195200000', pubDateStr='2022-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460140711, creator='13701087609', updateTime=1792460672919, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319238937323884737, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236705027207343, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319238937323884738, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236705027207343, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2638, endPage=2650, ext={EN=ArticleExt(id=1319236734253117853, articleId=1319236734009848220, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Gradient Joining of Si3N4-Mo and Reaction Bonding Mechanism, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The effective joining between silicon nitride ceramics and metals is crucial for making full use of their excellent properties and meeting the service requirements of materials or components in complex environments. The gradient joining of silicon nitride ceramic (Si3N4) and molybdenum (Mo) with large physical properties difference was realized by a powder metallurgy gradient composite technology. The reaction mechanism of Si3N4 and Mo in each gradient layer under different sintering temperatures and Si3N4 additions was investigated. The transition layer structure of Si3N4/MoxSiy/Mo gradient material was optimized based on the reaction mechanism and the concentration distribution index p, obtaining the gradient connection of Si3N4 to Mo and improving the mechanical properties. The results show that Si3N4 and Mo mainly form molybdenum-silicon compounds through the diffusion reaction between Mo and Si. The reaction process follows (Mo+Si)→(Mo3Si/MoSi2+Si)→(Mo5Si3). The bending strength of Si3N4/MoxSiy/Mo gradient material reaches the maximum value of 371.42 MPa, the shear strength reaches the maximum value of 30.58 MPa, and the elements in the transition layer appear a quasi-continuous gradient distribution when p=1.5.

, authors=Fei CHEN1, 2, Xing GU1, Mingyong JIA1, Yueqi WU1, Qiang SHEN1, authorsList=Fei CHEN, Xing GU, Mingyong JIA, Yueqi WU, Qiang SHEN, authorCompany=null, correspAuthors=null, authorNote=

CHEN Fei (1981-), male, Ph.D., Professor. E-mail:

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氮化硅陶瓷与金属的有效连接，对于充分利用二者优异性能、满足材料或构件在复杂环境下服役要求至关重要。利用粉末冶金、梯度复合技术实现了大物性差异氮化硅陶瓷（Si3N4）和金属钼（Mo）的梯度连接，研究和探明了不同烧结温度以及不同Si3N4添加量下各梯度层内Si3N4和Mo的反应机理。基于反应机理，结合浓度分布指数p对Si3N4/MoxSiy/Mo梯度材料的过渡层结构进行优化，实现了Si3N4和Mo的梯度连接及力学性能的提升。结果表明：Si3N4和Mo主要通过Mo、Si之间的扩散反应形成钼硅化合物，反应过程为（Mo+Si）→（Mo3Si/MoSi2+Si）→（Mo5Si3）；当浓度分布指数p=1.5时，Si3N4/MoxSiy/Mo梯度材料的弯曲强度达到最大值371.42 MPa，剪切强度达到最大值30.58 MPa，过渡层内各元素呈准连续梯度分布。

, authors=陈斐1, 2, 古星1, 贾明勇1, 吴玥奇1, 沈强1, authorsList=陈斐, 古星, 贾明勇, 吴玥奇, 沈强, authorCompany=null, correspAuthors=null, authorNote=

陈斐（1981—），男，博士，教授。

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陈斐（1981—），男，博士，教授。

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Si3N4-Mo梯度连接及其反应结合机理
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陈斐 1, 2 , 古星 1 , 贾明勇 1 , 吴玥奇 1 , 沈强 1
硅酸盐学报 | 研究论文 2022,50(10): 2638-2650
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硅酸盐学报 |研究论文 2022 , 50 (10) : 2638 -2650
Si3N4-Mo梯度连接及其反应结合机理
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陈斐1, 2 , 古星1, 贾明勇1, 吴玥奇1, 沈强1
作者信息
  • 1．武汉理工大学材料复合新技术国家重点实验室，武汉 430070
  • 2．化学与精细化工广东省实验室，广东 潮州 521000
作者简介:

陈斐（1981—），男，博士，教授。

Gradient Joining of Si3N4-Mo and Reaction Bonding Mechanism
Fei CHEN1, 2 , Xing GU1, Mingyong JIA1, Yueqi WU1, Qiang SHEN1
Affiliations
  • 1.State Key Laboratory for Advanced Materials Composite Technology, Wuhan University of Technology, Wuhan 430070, China
  • 2.Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, Guangdong, China

    • CHEN Fei (1981-), male, Ph.D., Professor. E-mail:

出版时间: 2022-10-20 doi: 10.14062/j.issn.0454-5648.20220168
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氮化硅陶瓷与金属的有效连接，对于充分利用二者优异性能、满足材料或构件在复杂环境下服役要求至关重要。利用粉末冶金、梯度复合技术实现了大物性差异氮化硅陶瓷（Si3N4）和金属钼（Mo）的梯度连接，研究和探明了不同烧结温度以及不同Si3N4添加量下各梯度层内Si3N4和Mo的反应机理。基于反应机理，结合浓度分布指数p对Si3N4/MoxSiy/Mo梯度材料的过渡层结构进行优化，实现了Si3N4和Mo的梯度连接及力学性能的提升。结果表明：Si3N4和Mo主要通过Mo、Si之间的扩散反应形成钼硅化合物，反应过程为（Mo+Si）→（Mo3Si/MoSi2+Si）→（Mo5Si3）；当浓度分布指数p=1.5时，Si3N4/MoxSiy/Mo梯度材料的弯曲强度达到最大值371.42 MPa，剪切强度达到最大值30.58 MPa，过渡层内各元素呈准连续梯度分布。

陶瓷/金属复合材料  /  氮化硅  /  钼  /  梯度连接

The effective joining between silicon nitride ceramics and metals is crucial for making full use of their excellent properties and meeting the service requirements of materials or components in complex environments. The gradient joining of silicon nitride ceramic (Si3N4) and molybdenum (Mo) with large physical properties difference was realized by a powder metallurgy gradient composite technology. The reaction mechanism of Si3N4 and Mo in each gradient layer under different sintering temperatures and Si3N4 additions was investigated. The transition layer structure of Si3N4/MoxSiy/Mo gradient material was optimized based on the reaction mechanism and the concentration distribution index p, obtaining the gradient connection of Si3N4 to Mo and improving the mechanical properties. The results show that Si3N4 and Mo mainly form molybdenum-silicon compounds through the diffusion reaction between Mo and Si. The reaction process follows (Mo+Si)→(Mo3Si/MoSi2+Si)→(Mo5Si3). The bending strength of Si3N4/MoxSiy/Mo gradient material reaches the maximum value of 371.42 MPa, the shear strength reaches the maximum value of 30.58 MPa, and the elements in the transition layer appear a quasi-continuous gradient distribution when p=1.5.

ceramic/metal composite  /  silicon nitride  /  molybdenum  /  gradient joining
陈斐, 古星, 贾明勇, 吴玥奇, 沈强. Si3N4-Mo梯度连接及其反应结合机理. 硅酸盐学报, 2022 , 50 (10) : 2638 -2650 . DOI: 10.14062/j.issn.0454-5648.20220168
Fei CHEN, Xing GU, Mingyong JIA, Yueqi WU, Qiang SHEN. Gradient Joining of Si3N4-Mo and Reaction Bonding Mechanism[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (10) : 2638 -2650 . DOI: 10.14062/j.issn.0454-5648.20220168
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  • 广东省基础与应用基础研究重大项目(2021B0301030001)
  • 深圳市科技计划项目(JCYJ20190809153405505)
  • 国家自然科学基金(51972246; 51521001)
  • 国家重点研发计划项目(2018YFB0905600)
  • “111”项目(B13035)
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doi: 10.14062/j.issn.0454-5648.20220168
  • 接收时间：2022-03-07
  • 首发时间：2026-10-20
  • 出版时间：2022-10-20
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  • 收稿日期：2022-03-07
  • 修回日期：2022-05-04
基金
广东省基础与应用基础研究重大项目(2021B0301030001)
深圳市科技计划项目(JCYJ20190809153405505)
国家自然科学基金(51972246; 51521001)
国家重点研发计划项目(2018YFB0905600)
“111”项目(B13035)
作者信息
    1．武汉理工大学材料复合新技术国家重点实验室，武汉 430070
    2．化学与精细化工广东省实验室，广东 潮州 521000
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220168
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2种不同金属材料的力学参数
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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
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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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