Article(id=1318979402243887740, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318979383570837667, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230319, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1683734400000, receivedDateStr=2023-05-11, revisedDate=1684857600000, revisedDateStr=2023-05-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1792398794946, onlineDateStr=2026-10-19, pubDate=1700409600000, pubDateStr=2023-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792398794946, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792398794946, creator=13701087609, updateTime=1792398794946, updator=13701087609, issue=Issue{id=1318979383570837667, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='11', pageStart='2739', pageEnd='3038', issueExtLink='null', onlineDate='null', pubDate='1700409600000', pubDateStr='2023-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792398790495, creator='13701087609', updateTime=1792399377667, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981846411629158, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318979383570837667, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981846411629159, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318979383570837667, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2924, endPage=2930, ext={EN=ArticleExt(id=1318979402441020029, articleId=1318979402243887740, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Decalcification Behavior of Calcium Silicate Hydrate with Different Ca/Si Ratios, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

This paper was to synthesize C-S-H with different Ca/Si ratios by a hydrothermal synthesis method, and decalcify it using 6 mol/L NH4Cl solutions. The chemical composition, chain structure and microstructure were analyzed. The results show that C-S-H is a gel structure formed by irregular aggregates. The content of dimer and chain end groups in C-S-H increases, while the average degree of polymerization and average chain length decreases with the increase of Ca/Si ratio. The change of C-S-H structure includes decreased interlayer distance, cross-linked silicate chains, and amorphous silica gels formed after decalcification, resulting in the loss of C-S-H cohesion.

, authors=Ziwei ZHANG, Zhentao LIU, Guoxin LI, authorsList=Ziwei ZHANG, Zhentao LIU, Guoxin LI, authorCompany=null, correspAuthors=Guoxin LI, authorNote=

ZHANG Ziwei (1995-), female, Doctoral candidate. E-mail:

, correspAuthorsNote=
LI Guoxin (1975-), male, Ph.D., Professor. E-mail:
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通过水热合成法制备了不同Ca/Si比的水化硅酸钙(C-S-H),并在6 mol/L NH4Cl溶液中加速脱钙,对不同Ca/Si比C-S-H脱钙前后的化学成分、链结构和微观结构进行分析。结果表明:C-S-H为不规则团聚体形成的凝胶结构。随着Ca/Si比增加,C-S-H中的二聚体和链端基团含量增加,平均聚合度和平均链长减小。脱钙后,C-S-H结构发生解体,硅酸盐链相互交联形成三维网状结构的硅胶,导致C-S-H失去其胶凝性能。

, authors=张紫薇, 刘振陶, 李国新, authorsList=张紫薇, 刘振陶, 李国新, authorCompany=null, correspAuthors=李国新, authorNote=

张紫薇(1995—),女,博士研究生。

, correspAuthorsNote=
李国新(1975—),男,博士,教授。
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钙硅比对水化硅酸钙脱钙过程的影响及机理
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张紫薇 , 刘振陶 , 李国新
硅酸盐学报 | 研究论文 2023,51(11): 2924-2930
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硅酸盐学报 |研究论文 2023 , 51 (11) : 2924 -2930
钙硅比对水化硅酸钙脱钙过程的影响及机理
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张紫薇 , 刘振陶, 李国新
作者信息
  • 西安建筑科技大学材料科学与工程学院,西安 710055
通讯作者:
李国新(1975—),男,博士,教授。
作者简介:

张紫薇(1995—),女,博士研究生。

Decalcification Behavior of Calcium Silicate Hydrate with Different Ca/Si Ratios
Ziwei ZHANG , Zhentao LIU, Guoxin LI
Affiliations
  • College of Materials Science and Engineering, Xi'an University of Architecture & Technology, Xi'an 710055, China
  • Corresponding Author:
    LI Guoxin (1975-), male, Ph.D., Professor. E-mail:

    ZHANG Ziwei (1995-), female, Doctoral candidate. E-mail:

出版时间: 2023-11-20 doi: 10.14062/j.issn.0454-5648.20230319
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通过水热合成法制备了不同Ca/Si比的水化硅酸钙(C-S-H),并在6 mol/L NH4Cl溶液中加速脱钙,对不同Ca/Si比C-S-H脱钙前后的化学成分、链结构和微观结构进行分析。结果表明:C-S-H为不规则团聚体形成的凝胶结构。随着Ca/Si比增加,C-S-H中的二聚体和链端基团含量增加,平均聚合度和平均链长减小。脱钙后,C-S-H结构发生解体,硅酸盐链相互交联形成三维网状结构的硅胶,导致C-S-H失去其胶凝性能。

水化硅酸钙  /  钙溶蚀  /  脱钙  /  钙硅比

This paper was to synthesize C-S-H with different Ca/Si ratios by a hydrothermal synthesis method, and decalcify it using 6 mol/L NH4Cl solutions. The chemical composition, chain structure and microstructure were analyzed. The results show that C-S-H is a gel structure formed by irregular aggregates. The content of dimer and chain end groups in C-S-H increases, while the average degree of polymerization and average chain length decreases with the increase of Ca/Si ratio. The change of C-S-H structure includes decreased interlayer distance, cross-linked silicate chains, and amorphous silica gels formed after decalcification, resulting in the loss of C-S-H cohesion.

calcium silicate hydrate  /  leaching  /  decalcification  /  calcium silicate ratio
张紫薇, 刘振陶, 李国新. 钙硅比对水化硅酸钙脱钙过程的影响及机理. 硅酸盐学报, 2023 , 51 (11) : 2924 -2930 . DOI: 10.14062/j.issn.0454-5648.20230319
Ziwei ZHANG, Zhentao LIU, Guoxin LI. Decalcification Behavior of Calcium Silicate Hydrate with Different Ca/Si Ratios[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (11) : 2924 -2930 . DOI: 10.14062/j.issn.0454-5648.20230319
  • 陕西省交通运输厅科研项目(19-19K)
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2023年第51卷第11期
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doi: 10.14062/j.issn.0454-5648.20230319
  • 接收时间:2023-05-11
  • 首发时间:2026-10-19
  • 出版时间:2023-11-20
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  • 收稿日期:2023-05-11
  • 修回日期:2023-05-24
基金
陕西省交通运输厅科研项目(19-19K)
作者信息
    西安建筑科技大学材料科学与工程学院,西安 710055

通讯作者:

李国新(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
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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