Article(id=1322942869543203461, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942849381183980, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210304, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1619107200000, receivedDateStr=2021-04-23, revisedDate=1619712000000, revisedDateStr=2021-04-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343759188, onlineDateStr=2026-10-30, pubDate=1634659200000, pubDateStr=2021-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343759188, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343759188, creator=13701087609, updateTime=1793343759188, updator=13701087609, issue=Issue{id=1322942849381183980, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='10', pageStart='2045', pageEnd='2312', issueExtLink='null', onlineDate='null', pubDate='1634659200000', pubDateStr='2021-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343754382, creator='13701087609', updateTime=1793345931656, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322951981580562527, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942849381183980, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322951981584756832, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942849381183980, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2078, endPage=2088, ext={EN=ArticleExt(id=1322942869828416134, articleId=1322942869543203461, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Friction and Wear Properties, Mechanism of Attapulgite-Wollastonite/PTFE Composites, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Attapulgite and wollastonite powders modified by a mechanochemical method were added to polytetrafluoroethylene (PTFE), and then the mineral/polymer composite was prepared by mechanical stirring and cold pressing sintering. The physical and chemical properties, friction and wear characteristics of the composite were investigated X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetry-differential scanning calorimetry, polarized microscopy, X-ray photoelectron spectroscopy, Shore hardness test and ring block friction and wear test, respectively. The results show that the crystallinity and glass transition temperature of the PTFE composite decrease, the hardness increases, the friction coefficient increases slightly, and the wear rate decreases significantly after adding attapulgite and wollastonite into the composite. It is indicated that attapulgite and wollastonite are beneficial to the formation of the transfer film on the surface of the metal friction pair, thus effectively improving the self-adaptability of the friction interface between the PTFE composite and the counter metal friction pair and reducing the wear rate of the friction pair.

, authors=Di WU1, Zhimin BAI1, Jing ZHANG2, authorsList=Di WU, Zhimin BAI, Jing ZHANG, authorCompany=null, correspAuthors=Zhimin BAI, authorNote=

WU Di (1997-), male, Master candidate. E-mail:

, correspAuthorsNote=
BAI Zhimin, male, Ph. D, Professor. E-mail:
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将机械力化学改性后的凹凸棒石和硅灰石粉体添加到聚四氟乙烯(PTFE)中,通过机械搅拌、冷压烧结制成矿物/聚合物复合材料。采用X射线衍射、Fourier变换红外光谱、扫描电子显微镜、热重-差热同步热分析、偏光显微镜、X射线光电子能谱、邵氏硬度计和环块摩擦磨损试验机对复合材料的理化性能及其摩擦磨损特征进行了研究。结果表明:添加凹凸棒石和硅灰石后,PTFE复合材料的结晶度、玻璃转化温度降低,硬度增加,摩擦系数稍有增加但磨损率显著降低。研究认为,凹凸棒石和硅灰石有利于金属摩擦副表面转移膜的形成,有效改善了PTFE复合材料与对偶金属摩擦副摩擦界面的自适应性,是导致摩擦副磨损率显著降低的主要原因。

, authors=吴迪1, 白志民1, 张晶2, authorsList=吴迪, 白志民, 张晶, authorCompany=null, correspAuthors=白志民, authorNote=

吴迪(1997—),男,硕士研究生。

, correspAuthorsNote=
白志民(1957—),男,博士,教授。
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WU Di (1997-), male, Master candidate. E-mail:

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吴迪(1997—),男,硕士研究生。

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吴迪(1997—),男,硕士研究生。

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凹凸棒石-硅灰石/PTFE复合材料摩擦磨损性能及其机理
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吴迪 1 , 白志民 1 , 张晶 2
硅酸盐学报 | 2021,49(10): 2078-2088
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硅酸盐学报 | 2021 , 49 (10) : 2078 -2088
凹凸棒石-硅灰石/PTFE复合材料摩擦磨损性能及其机理
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吴迪1 , 白志民1 , 张晶2
作者信息
  • 1.中国地质大学(北京)材料科学与工程学院,北京 100083
  • 2.大连环球矿产股份有限公司,辽宁 大连 116100
通讯作者:
白志民(1957—),男,博士,教授。
作者简介:

吴迪(1997—),男,硕士研究生。

Friction and Wear Properties, Mechanism of Attapulgite-Wollastonite/PTFE Composites
Di WU1 , Zhimin BAI1 , Jing ZHANG2
Affiliations
  • 1.School of Materials Science and Engineering, China University of Geosciences, Beijing 100083, China
  • 2.Dalian Global Minerals Co., Ltd., Dalian 116100, Liaoning, China
  • Corresponding Author:
    BAI Zhimin, male, Ph. D, Professor. E-mail:

    WU Di (1997-), male, Master candidate. E-mail:

出版时间: 2021-10-20 doi: 10.14062/j.issn.0454-5648.20210304
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将机械力化学改性后的凹凸棒石和硅灰石粉体添加到聚四氟乙烯(PTFE)中,通过机械搅拌、冷压烧结制成矿物/聚合物复合材料。采用X射线衍射、Fourier变换红外光谱、扫描电子显微镜、热重-差热同步热分析、偏光显微镜、X射线光电子能谱、邵氏硬度计和环块摩擦磨损试验机对复合材料的理化性能及其摩擦磨损特征进行了研究。结果表明:添加凹凸棒石和硅灰石后,PTFE复合材料的结晶度、玻璃转化温度降低,硬度增加,摩擦系数稍有增加但磨损率显著降低。研究认为,凹凸棒石和硅灰石有利于金属摩擦副表面转移膜的形成,有效改善了PTFE复合材料与对偶金属摩擦副摩擦界面的自适应性,是导致摩擦副磨损率显著降低的主要原因。

聚四氟乙烯  /  凹凸棒石  /  硅灰石  /  摩擦磨损  /  转移膜

Attapulgite and wollastonite powders modified by a mechanochemical method were added to polytetrafluoroethylene (PTFE), and then the mineral/polymer composite was prepared by mechanical stirring and cold pressing sintering. The physical and chemical properties, friction and wear characteristics of the composite were investigated X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetry-differential scanning calorimetry, polarized microscopy, X-ray photoelectron spectroscopy, Shore hardness test and ring block friction and wear test, respectively. The results show that the crystallinity and glass transition temperature of the PTFE composite decrease, the hardness increases, the friction coefficient increases slightly, and the wear rate decreases significantly after adding attapulgite and wollastonite into the composite. It is indicated that attapulgite and wollastonite are beneficial to the formation of the transfer film on the surface of the metal friction pair, thus effectively improving the self-adaptability of the friction interface between the PTFE composite and the counter metal friction pair and reducing the wear rate of the friction pair.

polytetrafluoroethylene  /  attapulgite  /  wollastonite  /  friction and wear  /  transfer film
吴迪, 白志民, 张晶. 凹凸棒石-硅灰石/PTFE复合材料摩擦磨损性能及其机理. 硅酸盐学报, 2021 , 49 (10) : 2078 -2088 . DOI: 10.14062/j.issn.0454-5648.20210304
Di WU, Zhimin BAI, Jing ZHANG. Friction and Wear Properties, Mechanism of Attapulgite-Wollastonite/PTFE Composites[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (10) : 2078 -2088 . DOI: 10.14062/j.issn.0454-5648.20210304
  • 国家重点研发计划(2017YFB0310703)
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doi: 10.14062/j.issn.0454-5648.20210304
  • 接收时间:2021-04-23
  • 首发时间:2026-10-30
  • 出版时间:2021-10-20
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  • 收稿日期:2021-04-23
  • 修回日期:2021-04-30
基金
国家重点研发计划(2017YFB0310703)
作者信息
    1.中国地质大学(北京)材料科学与工程学院,北京 100083
    2.大连环球矿产股份有限公司,辽宁 大连 116100

通讯作者:

白志民(1957—),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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