Article(id=1318977223953068347, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318977205884014990, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230489, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1689004800000, receivedDateStr=2023-07-11, revisedDate=1690560000000, revisedDateStr=2023-07-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1792398275602, onlineDateStr=2026-10-19, pubDate=1694448000000, pubDateStr=2023-09-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792398275602, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792398275602, creator=13701087609, updateTime=1792398275602, updator=13701087609, issue=Issue{id=1318977205884014990, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='12', pageStart='3039', pageEnd='3250', issueExtLink='null', onlineDate='null', pubDate='1703001600000', pubDateStr='2023-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792398271294, creator='13701087609', updateTime=1792399409679, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981980671295626, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318977205884014990, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981980671295627, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318977205884014990, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3121, endPage=3132, ext={EN=ArticleExt(id=1318977224187949372, articleId=1318977223953068347, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation and Properties of Al-Pillared Montmorillonite/Carbon Nanocomposites, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Al-pillared montmorillonite/carbon nanocomposites were prepared by a hydrothermal method using Al-pillared montmorillonite as a template and chitosan as a carbon source, and then hot-pressed to obtain Al-pillared montmorillonite-based ceramic/carbon composites. The effect of carbon content on the densities, mechanics, electrical conductivity and wave absorption properties of the composites was investigated by X-ray diffraction, scanning electron microscopy, universal material tests and vector network analysis. The results show that the Al-pillared montmorillonite/carbon is transformed into mullite/carbon ceramic material by hot-press sintering, and the carbon is further graphitized in the hot pressing. The introduction of carbon enhances the electrical conductivity and toughness of the composites, while a large amount of interfacial polarization is formed inside the material, which enhances the dielectric loss of the composites and transforms the ceramic material from a wave-transparent body to an electromagnetic wave absorbing material. The internal microcracks of the composites increase and the flexural strength gradually decreases with the further increase of carbon mass fraction in aluminum column-supported montmorillonite. The fracture toughness of the composite material is the maximum value when the mass ratio of montmorillonite to chitosan is 32 at 1 300 ℃, 20 MPa and 120 min of holding time, which is 11.41% greater than that of ceramics without carbon addition. The maximum electrical conductivity of the composite material is 17.53 S·m-1 when the mass ratio of montmorillonite to chitosan is 4. According to the simulation calculations through wave absorption performance tests, the minimum RL value of the obtained material reaches -44.93 dB when the coating thickness is 1.4 mm. The minimum RL value is -36.28 dB and the effective absorption bandwidth is 5.0 GHz when the coating thickness is 1.6 mm.

, authors=Xueping WU1, 2, Qing HE1, Jiarui YU1, Taohou YU1, Xianlong ZHANG1, authorsList=Xueping WU, Qing HE, Jiarui YU, Taohou YU, Xianlong ZHANG, authorCompany=null, correspAuthors=Xianlong ZHANG, authorNote=

WU Xueping (1978-), female, Ph.D., Professor. E-mail:

, correspAuthorsNote=
ZHANG Xianlong (1978-), male, Ph.D., Associate Professor. E-mail:
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以铝柱撑蒙脱石为模板、壳聚糖为碳源,采用水热法制备铝柱撑蒙脱石/碳纳米复合材料,然后热压得到铝柱撑蒙脱石基陶瓷/碳复合材料。通过X射线衍射仪、扫描电子显微镜、万能材料试验机和矢量网络分析仪等研究了碳含量对复合材料的致密度、力学、导电性能和吸波性能的影响。结果表明:铝柱撑蒙脱石/碳经热压烧结转变为莫来石/碳陶瓷材料,碳在热压中进一步石墨化,碳的引入提高了复合材料的导电性和韧性,同时在材料内部形成了大量界面极化,增强了复合材料的介电损耗,使陶瓷材料由透波体转化为电磁波吸收材料。随着铝柱撑蒙脱石中碳质量分数的进一步增加,复合材料内部微裂纹增多,弯曲强度逐渐降低。在1 300 ℃、20 MPa、保温120 min的条件下进行热压烧结,蒙脱石与壳聚糖质量比为32∶1时,复合材料的断裂韧性最高,比不添加碳的陶瓷提高了11.41%;当蒙脱石与壳聚糖质量比为4∶1时,复合材料的电导率最高,达到17.53 S·m-1。吸波性能测试模拟计算结果表明:所得材料在涂层厚度为1.4 mm时,最小反射损耗RL值达到-44.93 dB;当涂层厚度为1.6 mm时,最小RL值为-36.28 dB,有效吸收带宽为5.0 GHz。

, authors=吴雪平1, 2, 何青1, 俞嘉睿1, 余涛厚1, 张先龙1, authorsList=吴雪平, 何青, 俞嘉睿, 余涛厚, 张先龙, authorCompany=null, correspAuthors=张先龙, authorNote=

吴雪平(1978—),女,博士,教授。

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张先龙(1978—),男,博士,副教授。
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铝柱撑蒙脱石基陶瓷/碳复合材料的制备及其性能
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吴雪平 1, 2 , 何青 1 , 俞嘉睿 1 , 余涛厚 1 , 张先龙 1
硅酸盐学报 | 研究论文 2023,51(12): 3121-3132
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硅酸盐学报 |研究论文 2023 , 51 (12) : 3121 -3132
铝柱撑蒙脱石基陶瓷/碳复合材料的制备及其性能
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吴雪平1, 2 , 何青1, 俞嘉睿1, 余涛厚1, 张先龙1
作者信息
  • 1.合肥工业大学化学与化工学院,合肥 230009
  • 2.安徽省先进复合材料设计与应用工程研究中心,合肥 230009
通讯作者:
张先龙(1978—),男,博士,副教授。
作者简介:

吴雪平(1978—),女,博士,教授。

Preparation and Properties of Al-Pillared Montmorillonite/Carbon Nanocomposites
Xueping WU1, 2 , Qing HE1, Jiarui YU1, Taohou YU1, Xianlong ZHANG1
Affiliations
  • 1.School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
  • 2.Engineering Research Center of Advanced Composite Materials Design & Application of Anhui Province, Hefei 230009, China
  • Corresponding Author:
    ZHANG Xianlong (1978-), male, Ph.D., Associate Professor. E-mail:

    WU Xueping (1978-), female, Ph.D., Professor. E-mail:

出版时间: 2023-09-12 doi: 10.14062/j.issn.0454-5648.20230489
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以铝柱撑蒙脱石为模板、壳聚糖为碳源,采用水热法制备铝柱撑蒙脱石/碳纳米复合材料,然后热压得到铝柱撑蒙脱石基陶瓷/碳复合材料。通过X射线衍射仪、扫描电子显微镜、万能材料试验机和矢量网络分析仪等研究了碳含量对复合材料的致密度、力学、导电性能和吸波性能的影响。结果表明:铝柱撑蒙脱石/碳经热压烧结转变为莫来石/碳陶瓷材料,碳在热压中进一步石墨化,碳的引入提高了复合材料的导电性和韧性,同时在材料内部形成了大量界面极化,增强了复合材料的介电损耗,使陶瓷材料由透波体转化为电磁波吸收材料。随着铝柱撑蒙脱石中碳质量分数的进一步增加,复合材料内部微裂纹增多,弯曲强度逐渐降低。在1 300 ℃、20 MPa、保温120 min的条件下进行热压烧结,蒙脱石与壳聚糖质量比为32∶1时,复合材料的断裂韧性最高,比不添加碳的陶瓷提高了11.41%;当蒙脱石与壳聚糖质量比为4∶1时,复合材料的电导率最高,达到17.53 S·m-1。吸波性能测试模拟计算结果表明:所得材料在涂层厚度为1.4 mm时,最小反射损耗RL值达到-44.93 dB;当涂层厚度为1.6 mm时,最小RL值为-36.28 dB,有效吸收带宽为5.0 GHz。

铝柱撑蒙脱石  /  壳聚糖  /  陶瓷/碳  /  力学性能  /  吸波性能

Al-pillared montmorillonite/carbon nanocomposites were prepared by a hydrothermal method using Al-pillared montmorillonite as a template and chitosan as a carbon source, and then hot-pressed to obtain Al-pillared montmorillonite-based ceramic/carbon composites. The effect of carbon content on the densities, mechanics, electrical conductivity and wave absorption properties of the composites was investigated by X-ray diffraction, scanning electron microscopy, universal material tests and vector network analysis. The results show that the Al-pillared montmorillonite/carbon is transformed into mullite/carbon ceramic material by hot-press sintering, and the carbon is further graphitized in the hot pressing. The introduction of carbon enhances the electrical conductivity and toughness of the composites, while a large amount of interfacial polarization is formed inside the material, which enhances the dielectric loss of the composites and transforms the ceramic material from a wave-transparent body to an electromagnetic wave absorbing material. The internal microcracks of the composites increase and the flexural strength gradually decreases with the further increase of carbon mass fraction in aluminum column-supported montmorillonite. The fracture toughness of the composite material is the maximum value when the mass ratio of montmorillonite to chitosan is 32 at 1 300 ℃, 20 MPa and 120 min of holding time, which is 11.41% greater than that of ceramics without carbon addition. The maximum electrical conductivity of the composite material is 17.53 S·m-1 when the mass ratio of montmorillonite to chitosan is 4. According to the simulation calculations through wave absorption performance tests, the minimum RL value of the obtained material reaches -44.93 dB when the coating thickness is 1.4 mm. The minimum RL value is -36.28 dB and the effective absorption bandwidth is 5.0 GHz when the coating thickness is 1.6 mm.

alminum-pillared montmorillonite  /  chitosan  /  ceramic/carbon  /  mechanical properties  /  microwave absorbing property
吴雪平, 何青, 俞嘉睿, 余涛厚, 张先龙. 铝柱撑蒙脱石基陶瓷/碳复合材料的制备及其性能. 硅酸盐学报, 2023 , 51 (12) : 3121 -3132 . DOI: 10.14062/j.issn.0454-5648.20230489
Xueping WU, Qing HE, Jiarui YU, Taohou YU, Xianlong ZHANG. Preparation and Properties of Al-Pillared Montmorillonite/Carbon Nanocomposites[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (12) : 3121 -3132 . DOI: 10.14062/j.issn.0454-5648.20230489
  • 国家自然科学基金(51872070)
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2023年第51卷第12期
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doi: 10.14062/j.issn.0454-5648.20230489
  • 接收时间:2023-07-11
  • 首发时间:2026-10-19
  • 出版时间:2023-09-12
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  • 收稿日期:2023-07-11
  • 修回日期:2023-07-29
基金
国家自然科学基金(51872070)
作者信息
    1.合肥工业大学化学与化工学院,合肥 230009
    2.安徽省先进复合材料设计与应用工程研究中心,合肥 230009

通讯作者:

张先龙(1978—),男,博士,副教授。
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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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