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Article(id=1322943106454266539, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942545734546372, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200670, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1598976000000, receivedDateStr=2020-09-02, revisedDate=1599926400000, revisedDateStr=2020-09-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343815672, onlineDateStr=2026-10-30, pubDate=1618848000000, pubDateStr=2021-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343815672, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343815672, creator=13701087609, updateTime=1793343815672, updator=13701087609, issue=Issue{id=1322942545734546372, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='4', pageStart='605', pageEnd='806', issueExtLink='null', onlineDate='null', pubDate='1618848000000', pubDateStr='2021-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343681986, creator='13701087609', updateTime=1793345524324, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950273110508350, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942545734546372, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950273110508351, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942545734546372, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=666, endPage=672, ext={EN=ArticleExt(id=1322943106647204524, articleId=1322943106454266539, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Correlation Between Ultimate Strength and Acoustic Emission Evolution of C/SiC During Tensile Failure Process, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Acoustic emission (AE) monitoring tests were carried out on the tensile failure process of plain weave C/SiC composites with different strengths. An unsupervised clustering method, based on the improved genetic algorithm, was used to recognize the characteristics of various AE classes, corresponding to different microscopic fracture mechanisms. Combined with the fracture surface observation, the relationship between tensile strength, damage mechanisms, and the evolution of AE signals was analyzed. It is found that: The AE energy of fiber breakage can reflect the bonding strength of the fiber/matrix interface; For the specimen with the lowest strength, there has the matrix enrichment area leading to the stress concentration, and the matrix cracking events account for more than 50% in the initial stage; For the specimen with the medium strength, the failure of fiber are mainly the breakage of single or a few fibers, due to the strong fiber/matrix interface; For the specimen with the highest strength, the integral breakage of fiber clusters is the dominant failure mode, due to the moderate interface bonding strength.

, authors=Yongzhen ZHANG1, 2, Xiaoyan TONG1, Zhiyong TAN3, Leijiang YAO1, Bin LI1, authorsList=Yongzhen ZHANG, Xiaoyan TONG, Zhiyong TAN, Leijiang YAO, Bin LI, authorCompany=null, correspAuthors=Leijiang YAO, authorNote=

ZHANG Yongzhen (1994-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
YAO Leijiang (1973-), male, Ph.D., Professor. E-mail:
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对平纹编织C/SiC复合材料样品拉伸破坏过程的声发射进行监测，采用基于改进遗传算法的无监督聚类方法对声发射信号进行模式识别，统计分析各类声发射模式的特征及其演化过程，结合断口分析，研究了C/SiC复合材料的拉伸强度、损伤机制与声发射信号演化之间的关系。结果表明：维断裂的声发射能量能够反映纤维/基体界面结合强度；低强度C/SiC材料中存在引起应力集中的基体富集区，在加载初期基体开裂事件占比超过50%；中强度C/SiC材料由于较强的界面，纤维损伤以单丝或部分纤维断裂事件为主；高强度C/SiC材料界面结合强度适中，纤维簇断裂是主要的失效模式。

, authors=张勇祯1, 2, 童小燕1, 谭志勇3, 姚磊江1, 李斌1, authorsList=张勇祯, 童小燕, 谭志勇, 姚磊江, 李斌, authorCompany=null, correspAuthors=姚磊江, authorNote=

张勇祯（1994—），男，博士研究生。

, correspAuthorsNote=
姚磊江（1973—），男，博士，教授。
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ZHANG Yongzhen (1994-), male, Doctoral candidate. E-mail:

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ZHANG Yongzhen (1994-), male, Doctoral candidate. E-mail:

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C/SiC拉伸强度与声发射演化的关联性
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张勇祯 1, 2 , 童小燕 1 , 谭志勇 3 , 姚磊江 1 , 李斌 1
硅酸盐学报 | 2021,49(4): 666-672
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硅酸盐学报 | 2021 , 49 (4) : 666 -672
C/SiC拉伸强度与声发射演化的关联性
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张勇祯1, 2 , 童小燕1, 谭志勇3, 姚磊江1 , 李斌1
作者信息
  • 1．西北工业大学，无人机特种技术重点实验室，西安 710072
  • 2．西北工业大学航空学院，西安 710072
  • 3．空间物理重点实验室，北京 100076
通讯作者:
姚磊江（1973—），男，博士，教授。
作者简介:

张勇祯（1994—），男，博士研究生。

Correlation Between Ultimate Strength and Acoustic Emission Evolution of C/SiC During Tensile Failure Process
Yongzhen ZHANG1, 2 , Xiaoyan TONG1, Zhiyong TAN3, Leijiang YAO1 , Bin LI1
Affiliations
  • 1.National Key Laboratory of Science and Technology on UAV, Northwestern Polytechnical University, Xi'an 710072, China
  • 2.School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China
  • 3.Science and Technology on Space Physics Laboratory, Beijing 100076, China
    • Corresponding Author:
    YAO Leijiang (1973-), male, Ph.D., Professor. E-mail:

    ZHANG Yongzhen (1994-), male, Doctoral candidate. E-mail:

出版时间: 2021-04-20 doi: 10.14062/j.issn.0454-5648.20200670
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对平纹编织C/SiC复合材料样品拉伸破坏过程的声发射进行监测，采用基于改进遗传算法的无监督聚类方法对声发射信号进行模式识别，统计分析各类声发射模式的特征及其演化过程，结合断口分析，研究了C/SiC复合材料的拉伸强度、损伤机制与声发射信号演化之间的关系。结果表明：维断裂的声发射能量能够反映纤维/基体界面结合强度；低强度C/SiC材料中存在引起应力集中的基体富集区，在加载初期基体开裂事件占比超过50%；中强度C/SiC材料由于较强的界面，纤维损伤以单丝或部分纤维断裂事件为主；高强度C/SiC材料界面结合强度适中，纤维簇断裂是主要的失效模式。

声发射  /  碳/碳化硅  /  无监督聚类  /  损伤  /  拉伸强度

Acoustic emission (AE) monitoring tests were carried out on the tensile failure process of plain weave C/SiC composites with different strengths. An unsupervised clustering method, based on the improved genetic algorithm, was used to recognize the characteristics of various AE classes, corresponding to different microscopic fracture mechanisms. Combined with the fracture surface observation, the relationship between tensile strength, damage mechanisms, and the evolution of AE signals was analyzed. It is found that: The AE energy of fiber breakage can reflect the bonding strength of the fiber/matrix interface; For the specimen with the lowest strength, there has the matrix enrichment area leading to the stress concentration, and the matrix cracking events account for more than 50% in the initial stage; For the specimen with the medium strength, the failure of fiber are mainly the breakage of single or a few fibers, due to the strong fiber/matrix interface; For the specimen with the highest strength, the integral breakage of fiber clusters is the dominant failure mode, due to the moderate interface bonding strength.

acoustic emission  /  carbon/silicon carbide  /  unsupervised clustering  /  damage  /  tensile strength
张勇祯, 童小燕, 谭志勇, 姚磊江, 李斌. C/SiC拉伸强度与声发射演化的关联性. 硅酸盐学报, 2021 , 49 (4) : 666 -672 . DOI: 10.14062/j.issn.0454-5648.20200670
Yongzhen ZHANG, Xiaoyan TONG, Zhiyong TAN, Leijiang YAO, Bin LI. Correlation Between Ultimate Strength and Acoustic Emission Evolution of C/SiC During Tensile Failure Process[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (4) : 666 -672 . DOI: 10.14062/j.issn.0454-5648.20200670
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  • 国家自然科学基金(51772244; 11072195)
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doi: 10.14062/j.issn.0454-5648.20200670
  • 接收时间：2020-09-02
  • 首发时间：2026-10-30
  • 出版时间：2021-04-20
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  • 收稿日期：2020-09-02
  • 修回日期：2020-09-13
基金
国家自然科学基金(51772244; 11072195)
作者信息
    1．西北工业大学，无人机特种技术重点实验室，西安 710072
    2．西北工业大学航空学院，西安 710072
    3．空间物理重点实验室，北京 100076

通讯作者:

姚磊江（1973—），男，博士，教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20200670
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2种不同金属材料的力学参数
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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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