Article(id=1319222683036922325, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220660, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1660492800000, receivedDateStr=2022-08-15, revisedDate=1661616000000, revisedDateStr=2022-08-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456797608, onlineDateStr=2026-10-20, pubDate=1684512000000, pubDateStr=2023-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456797608, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456797608, creator=13701087609, updateTime=1792456797608, updator=13701087609, issue=Issue{id=1319222668956643677, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='5', pageStart='1091', pageEnd='1372', issueExtLink='null', onlineDate='null', pubDate='1684512000000', pubDateStr='2023-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456794251, creator='13701087609', updateTime=1792456976356, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223432827490920, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223432827490921, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1332, endPage=1343, ext={EN=ArticleExt(id=1319222683322134998, articleId=1319222683036922325, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effects of Recycled Carbon Fibers on Mechanical Property and Conductivity of High-Strength Cement-Based Material, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The massive waste carbon fibers in modern industry need to be recycled and reused. In this work, the effect of recycled carbon fibers (RCF) on the fluidity, mechanical property and electrical conductivity of high-strength cement-based material (HSCBM) was investigated using waste carbon fibers with the HSCBM. The results indicate that the incorporation of RCF reduces the fluidity of HSCBM, while the fluidity can be increased by 7.74% if RCF is modified by NaOH solution and HNO3 solution. Incorporating unmodified and modified RCF at different water-to-binder ratios can reduce the compressive strength of HSCBM. However, the flexural strength of HSCBM after modification of RCF with NaOH solution and HNO3 solution is improved, and the flexural strength of HSCBM can be increased by 30.61% and 24.46%, respectively. The RCF/HSCBM has no conductivity when the water-binder ratio is rather low (i.e., 0.20). When the water-binder ratio increases to 0.25, adding RCF can improve the conductivity of HSCBM, but its strength greatly reduces. After RCF is treated with NaOH solution and HNO3 solution, the conductivity of HSCBM is further improved. The 7 d and 28 d resistivity can be decreased by 81.41%-82.23% and 94.88%-96.15%, respectively, when the RCF amount reaches a percolation threshold (i.e., 0.6%). The research results can provide a new idea for the functional properties of HSCBM and RCF recycling.

, authors=Yan WANG1, 2, Zhiping QUAN1, Shaohui ZHANG3, authorsList=Yan WANG, Zhiping QUAN, Shaohui ZHANG, authorCompany=null, correspAuthors=null, authorNote=

WANG Yan (1982-), female, Ph.D, Professor. E-mail:

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针对现代工业中大量废弃碳纤维亟需回收再利用问题,将废弃碳纤维与高强水泥基材料(HSCBM)相结合,研究了回收碳纤维(RCF)及其改性对HSCBM流动性、力学性能和导电性能的影响。结果表明:掺入RCF降低了HSCBM流动性,RCF经NaOH溶液和HNO3溶液改性后HSCBM流动性最高可提升7.74%;不同水胶比下掺入未改性及改性RCF会降低HSCBM抗压强度,但提升了HSCBM抗折强度,经NaOH溶液、HNO3溶液改性后HSCBM抗折强度最高可提升30.61%、24.46%;水胶比过低(0.20)时,掺RCF的HSCBM不具备导电能力,水胶比增至0.25时掺入RCF可显著提升HSCBM导电性,但其强度会大幅下降,RCF经NaOH溶液和HNO3溶液处理后使HSCBM导电性能进一步提升,掺量达到渗滤阀值(0.6%)时,其7、28 d电阻率分别降低了81.41%和82.23%、94.88%和96.15%。研究结果可为HSCBM具有功能性和RCF循环利用提供新思路。

, authors=王艳1, 2, 全志平1, 张少辉3, authorsList=王艳, 全志平, 张少辉, authorCompany=null, correspAuthors=null, authorNote=

王艳(1982—),女,博士,教授。

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回收碳纤维对高强水泥基材料力学性能与导电性能的影响
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王艳 1, 2 , 全志平 1 , 张少辉 3
硅酸盐学报 | 研究论文 2023,51(5): 1332-1343
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硅酸盐学报 |研究论文 2023 , 51 (5) : 1332 -1343
回收碳纤维对高强水泥基材料力学性能与导电性能的影响
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王艳1, 2 , 全志平1, 张少辉3
作者信息
  • 1.西安建筑科技大学材料科学与工程学院,西安 710055
  • 2.西部绿色建筑国家重点实验室,西安 710055
  • 3.西安建筑科技大学土木工程学院,西安 710055
作者简介:

王艳(1982—),女,博士,教授。

Effects of Recycled Carbon Fibers on Mechanical Property and Conductivity of High-Strength Cement-Based Material
Yan WANG1, 2 , Zhiping QUAN1, Shaohui ZHANG3
Affiliations
  • 1.School of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.State Key Laboratory of Green Building in Western China, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 3.School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • WANG Yan (1982-), female, Ph.D, Professor. E-mail:

出版时间: 2023-05-20 doi: 10.14062/j.issn.0454-5648.20220660
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针对现代工业中大量废弃碳纤维亟需回收再利用问题,将废弃碳纤维与高强水泥基材料(HSCBM)相结合,研究了回收碳纤维(RCF)及其改性对HSCBM流动性、力学性能和导电性能的影响。结果表明:掺入RCF降低了HSCBM流动性,RCF经NaOH溶液和HNO3溶液改性后HSCBM流动性最高可提升7.74%;不同水胶比下掺入未改性及改性RCF会降低HSCBM抗压强度,但提升了HSCBM抗折强度,经NaOH溶液、HNO3溶液改性后HSCBM抗折强度最高可提升30.61%、24.46%;水胶比过低(0.20)时,掺RCF的HSCBM不具备导电能力,水胶比增至0.25时掺入RCF可显著提升HSCBM导电性,但其强度会大幅下降,RCF经NaOH溶液和HNO3溶液处理后使HSCBM导电性能进一步提升,掺量达到渗滤阀值(0.6%)时,其7、28 d电阻率分别降低了81.41%和82.23%、94.88%和96.15%。研究结果可为HSCBM具有功能性和RCF循环利用提供新思路。

回收碳纤维  /  改性处理  /  高强水泥基材料  /  力学性能  /  导电性

The massive waste carbon fibers in modern industry need to be recycled and reused. In this work, the effect of recycled carbon fibers (RCF) on the fluidity, mechanical property and electrical conductivity of high-strength cement-based material (HSCBM) was investigated using waste carbon fibers with the HSCBM. The results indicate that the incorporation of RCF reduces the fluidity of HSCBM, while the fluidity can be increased by 7.74% if RCF is modified by NaOH solution and HNO3 solution. Incorporating unmodified and modified RCF at different water-to-binder ratios can reduce the compressive strength of HSCBM. However, the flexural strength of HSCBM after modification of RCF with NaOH solution and HNO3 solution is improved, and the flexural strength of HSCBM can be increased by 30.61% and 24.46%, respectively. The RCF/HSCBM has no conductivity when the water-binder ratio is rather low (i.e., 0.20). When the water-binder ratio increases to 0.25, adding RCF can improve the conductivity of HSCBM, but its strength greatly reduces. After RCF is treated with NaOH solution and HNO3 solution, the conductivity of HSCBM is further improved. The 7 d and 28 d resistivity can be decreased by 81.41%-82.23% and 94.88%-96.15%, respectively, when the RCF amount reaches a percolation threshold (i.e., 0.6%). The research results can provide a new idea for the functional properties of HSCBM and RCF recycling.

recycled carbon fiber  /  modification treatment  /  high-strength cement-based material  /  mechanical properties  /  electrical conductivity
王艳, 全志平, 张少辉. 回收碳纤维对高强水泥基材料力学性能与导电性能的影响. 硅酸盐学报, 2023 , 51 (5) : 1332 -1343 . DOI: 10.14062/j.issn.0454-5648.20220660
Yan WANG, Zhiping QUAN, Shaohui ZHANG. Effects of Recycled Carbon Fibers on Mechanical Property and Conductivity of High-Strength Cement-Based Material[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (5) : 1332 -1343 . DOI: 10.14062/j.issn.0454-5648.20220660
  • 国家自然科学基金面上项目(52078414)
  • 国家优秀青年科学基金(52222806)
  • 陕西省杰出青年科学基金(2022JC-20)
  • 陕西省教育厅科学研究计划重点项目(20JY037)
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2023年第51卷第5期
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doi: 10.14062/j.issn.0454-5648.20220660
  • 接收时间:2022-08-15
  • 首发时间:2026-10-20
  • 出版时间:2023-05-20
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  • 收稿日期:2022-08-15
  • 修回日期:2022-08-28
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国家自然科学基金面上项目(52078414)
国家优秀青年科学基金(52222806)
陕西省杰出青年科学基金(2022JC-20)
陕西省教育厅科学研究计划重点项目(20JY037)
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    1.西安建筑科技大学材料科学与工程学院,西安 710055
    2.西部绿色建筑国家重点实验室,西安 710055
    3.西安建筑科技大学土木工程学院,西安 710055
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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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