Article(id=1322943394955273108, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942707957641522, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200894, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1606665600000, receivedDateStr=2020-11-30, revisedDate=1611244800000, revisedDateStr=2021-01-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343884457, onlineDateStr=2026-10-30, pubDate=1629388800000, pubDateStr=2021-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343884457, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343884457, creator=13701087609, updateTime=1793343884457, updator=13701087609, issue=Issue{id=1322942707957641522, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='8', pageStart='1519', pageEnd='1784', issueExtLink='null', onlineDate='null', pubDate='1629388800000', pubDateStr='2021-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343720664, creator='13701087609', updateTime=1793345848275, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322951631859494962, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942707957641522, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322951631859494963, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942707957641522, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1642, endPage=1649, ext={EN=ArticleExt(id=1322943395190154133, articleId=1322943394955273108, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Corrosion State of Reinforcing Steel in Composite Binder Mortar in Chloride Environment, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

The corrosion state of composite binder mortar with metakaolin (MK) in chloride environment was investigated by measuring corrosion potential, linear polarization and cyclic potentiodynamic polarization. The relationships among different electrochemical parameters were analyzed. In chloride environment, the corrosion potential of the reinforcing steel in the composite binder mortar increases, the corrosion rate decreases and the pitting corrosion resistance enhances with increasing the MK content as the MK content is < 30% (accounting for total mass of MK and cement). The corrosion current density and corrosion potential are correlated to composite binder mortar. The degree of pitting corrosion of the reinforcing steel in the composite binder mortar is well reflected by main electrochemical parameters of cyclic potentiodynamic polarization. The presence of MK modifies the pore structure and reduces the permeability coefficient of the chloride in the composite binder mortar. The depassivation time of the reinforcing steel and the expected cracking time of reinforcing steel cover both are prolonged when the composite binder mortar is added.

, authors=Chuang LI, Yingfang FAN, Yaoyu WANG, Qiuchao LI, authorsList=Chuang LI, Yingfang FAN, Yaoyu WANG, Qiuchao LI, authorCompany=null, correspAuthors=Yingfang FAN, authorNote=

LI Chuang (1987-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
FAN Yingfang (1972-), female, 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=1322943395475366806, articleId=1322943394955273108, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=氯盐环境下复合胶凝材料砂浆中钢筋锈蚀状态, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

采用腐蚀电位、线性极化、循环动电位极化等电化学方法,研究了氯盐环境下偏高岭土(MK)改性复合胶凝材料砂浆中钢筋的锈蚀状态,分析了不同电化学参数之间的关系。结果表明:在氯盐环境中,当MK掺量不高于MK/水泥总质量的30%时,随MK掺量的增加,复合胶凝材料中钢筋的腐蚀电位增大,锈蚀速率降低,耐点蚀性能增强;复合胶凝材料砂浆中钢筋的腐蚀电流密度与腐蚀电位存在相关关系;循环动电位极化测试的电化学参数可以反映复合胶凝材料砂浆内部钢筋的点蚀破坏程度;MK改善了复合胶凝材料砂浆的孔隙结构,降低了复合胶凝材料砂浆的氯离子扩散系数。复合胶凝材料砂浆延长了钢筋的脱钝化时间和钢筋保护层的预期开裂时间。

, authors=李闯, 范颖芳, 王耀宇, 李秋超, authorsList=李闯, 范颖芳, 王耀宇, 李秋超, authorCompany=null, correspAuthors=范颖芳, authorNote=

李闯(1987—),男,博士研究生。

, correspAuthorsNote=
范颖芳(1972—),女,博士,教授。
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李闯(1987—),男,博士研究生。

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氯盐环境下复合胶凝材料砂浆中钢筋锈蚀状态
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李闯 , 范颖芳 , 王耀宇 , 李秋超
硅酸盐学报 | 研究论文 2021,49(8): 1642-1649
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硅酸盐学报 |研究论文 2021 , 49 (8) : 1642 -1649
氯盐环境下复合胶凝材料砂浆中钢筋锈蚀状态
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李闯 , 范颖芳 , 王耀宇, 李秋超
作者信息
  • 大连海事大学交通运输工程学院,辽宁 大连 116026
通讯作者:
范颖芳(1972—),女,博士,教授。
作者简介:

李闯(1987—),男,博士研究生。

Corrosion State of Reinforcing Steel in Composite Binder Mortar in Chloride Environment
Chuang LI , Yingfang FAN , Yaoyu WANG, Qiuchao LI
Affiliations
  • College of Transportation Engineering, Dalian Maritime University, Dalian 116026, Liaoning, China
  • Corresponding Author:
    FAN Yingfang (1972-), female, Ph. D., Professor. E-mail:

    LI Chuang (1987-), male, Doctoral candidate. E-mail:

出版时间: 2021-08-20 doi: 10.14062/j.issn.0454-5648.20200894
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采用腐蚀电位、线性极化、循环动电位极化等电化学方法,研究了氯盐环境下偏高岭土(MK)改性复合胶凝材料砂浆中钢筋的锈蚀状态,分析了不同电化学参数之间的关系。结果表明:在氯盐环境中,当MK掺量不高于MK/水泥总质量的30%时,随MK掺量的增加,复合胶凝材料中钢筋的腐蚀电位增大,锈蚀速率降低,耐点蚀性能增强;复合胶凝材料砂浆中钢筋的腐蚀电流密度与腐蚀电位存在相关关系;循环动电位极化测试的电化学参数可以反映复合胶凝材料砂浆内部钢筋的点蚀破坏程度;MK改善了复合胶凝材料砂浆的孔隙结构,降低了复合胶凝材料砂浆的氯离子扩散系数。复合胶凝材料砂浆延长了钢筋的脱钝化时间和钢筋保护层的预期开裂时间。

氯盐环境  /  砂浆  /  偏高岭土  /  钢筋  /  锈蚀

The corrosion state of composite binder mortar with metakaolin (MK) in chloride environment was investigated by measuring corrosion potential, linear polarization and cyclic potentiodynamic polarization. The relationships among different electrochemical parameters were analyzed. In chloride environment, the corrosion potential of the reinforcing steel in the composite binder mortar increases, the corrosion rate decreases and the pitting corrosion resistance enhances with increasing the MK content as the MK content is < 30% (accounting for total mass of MK and cement). The corrosion current density and corrosion potential are correlated to composite binder mortar. The degree of pitting corrosion of the reinforcing steel in the composite binder mortar is well reflected by main electrochemical parameters of cyclic potentiodynamic polarization. The presence of MK modifies the pore structure and reduces the permeability coefficient of the chloride in the composite binder mortar. The depassivation time of the reinforcing steel and the expected cracking time of reinforcing steel cover both are prolonged when the composite binder mortar is added.

chloride environment  /  mortar  /  metakaolin  /  reinforcing steel  /  corrosion
李闯, 范颖芳, 王耀宇, 李秋超. 氯盐环境下复合胶凝材料砂浆中钢筋锈蚀状态. 硅酸盐学报, 2021 , 49 (8) : 1642 -1649 . DOI: 10.14062/j.issn.0454-5648.20200894
Chuang LI, Yingfang FAN, Yaoyu WANG, Qiuchao LI. Corrosion State of Reinforcing Steel in Composite Binder Mortar in Chloride Environment[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (8) : 1642 -1649 . DOI: 10.14062/j.issn.0454-5648.20200894
  • 国家自然科学基金项目(5178099)
  • 中央高校基本科研业务费
  • 大连海事大学基础性学科经费
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2021年第49卷第8期
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doi: 10.14062/j.issn.0454-5648.20200894
  • 接收时间:2020-11-30
  • 首发时间:2026-10-30
  • 出版时间:2021-08-20
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  • 收稿日期:2020-11-30
  • 修回日期:2021-01-22
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国家自然科学基金项目(5178099)
中央高校基本科研业务费
大连海事大学基础性学科经费
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    大连海事大学交通运输工程学院,辽宁 大连 116026

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范颖芳(1972—),女,博士,教授。
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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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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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