Article(id=1322943285098053887, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200619, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1597593600000, receivedDateStr=2020-08-17, revisedDate=1600099200000, revisedDateStr=2020-09-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343858264, onlineDateStr=2026-10-30, pubDate=1616169600000, pubDateStr=2021-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343858264, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343858264, creator=13701087609, updateTime=1793343858264, updator=13701087609, issue=Issue{id=1322942495801356913, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='3', pageStart='441', pageEnd='604', issueExtLink='null', onlineDate='null', pubDate='1616169600000', pubDateStr='2021-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343670081, creator='13701087609', updateTime=1793345495044, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950150322258738, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950150322258739, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=455, endPage=460, ext={EN=ArticleExt(id=1322943286691889410, articleId=1322943285098053887, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Pressure-assisted Flash Sintering Processing of Tetragonal Zirconia Ceramics, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A pressure rapid sintering process of tetragonal zirconia ceramics was proposed. The effects of sintering parameters (i.e., temperature, voltage, current and pressure) on the density, microstructure and phase composition of zirconia were investigated. The process superimposed a flash burning effect based on hot pressing sintering, and the high-temperature conductive zirconia was instantly densified and sintered at a high electric field strength. The results show that the pressure-assisted flash sintering process involves the advantages of hot pressing sintering and flash sintering. Zirconia powder was used as a raw material to simplify the green pressing process. Low temperature and instantaneous flash firing inhibit the high-temperature phase transformation of zirconia. Hot pressing in sintering process ensures the diffusion and flow of zirconia powder and enhances the density.

, authors=Shuai LUO, Chengwei YU, Yanghui LU, authorsList=Shuai LUO, Chengwei YU, Yanghui LU, authorCompany=null, correspAuthors=Yanghui LU, authorNote=

LUO Shuai (1987-), male, Ph.D.. E-mail:

, correspAuthorsNote=
LU Yanghui (1981-), male, Master. E-mail:
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研究了加压辅助闪烧烧结工艺参数(温度、电压、电流、压力)对钇稳氧化锆致密度、微观组织结构和成分组成的影响,该工艺在热压烧结基础上叠加闪烧效应,利用高电场强度使高温导电氧化锆瞬间发生密实化烧结。结果表明:钇稳氧化锆的闪烧临界温度为880℃,在相同的电场强度条件下,闪烧临界温度处烧结可获得最大的闪烧收缩量。氧化锆在临界烧结温度下瞬时放电快速烧结符合焦耳热效应和接触点局部热效应,临界闪烧温度的高峰值功率闪烧易导致样品的组织结构和成分变化,峰值功率应进行控制,即电流强度应低于3 A。

, authors=罗帅, 于成伟, 鲁仰辉, authorsList=罗帅, 于成伟, 鲁仰辉, authorCompany=null, correspAuthors=鲁仰辉, authorNote=

罗帅(1987—),男,博士,高级工程师。

, correspAuthorsNote=
鲁仰辉(1981—),男,硕士,高级工程师。
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加压辅助闪烧工艺制备四方相氧化锆
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罗帅 , 于成伟 , 鲁仰辉
硅酸盐学报 | 2021,49(3): 455-460
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硅酸盐学报 | 2021 , 49 (3) : 455 -460
加压辅助闪烧工艺制备四方相氧化锆
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罗帅 , 于成伟, 鲁仰辉
作者信息
  • 国家电投集团科学技术研究院有限公司,北京 102209
通讯作者:
鲁仰辉(1981—),男,硕士,高级工程师。
作者简介:

罗帅(1987—),男,博士,高级工程师。

Pressure-assisted Flash Sintering Processing of Tetragonal Zirconia Ceramics
Shuai LUO , Chengwei YU, Yanghui LU
Affiliations
  • State Power Investment Corporation Research Institute, Co. Ltd, Beijing 102209, China
  • Corresponding Author:
    LU Yanghui (1981-), male, Master. E-mail:

    LUO Shuai (1987-), male, Ph.D.. E-mail:

出版时间: 2021-03-20 doi: 10.14062/j.issn.0454-5648.20200619
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研究了加压辅助闪烧烧结工艺参数(温度、电压、电流、压力)对钇稳氧化锆致密度、微观组织结构和成分组成的影响,该工艺在热压烧结基础上叠加闪烧效应,利用高电场强度使高温导电氧化锆瞬间发生密实化烧结。结果表明:钇稳氧化锆的闪烧临界温度为880℃,在相同的电场强度条件下,闪烧临界温度处烧结可获得最大的闪烧收缩量。氧化锆在临界烧结温度下瞬时放电快速烧结符合焦耳热效应和接触点局部热效应,临界闪烧温度的高峰值功率闪烧易导致样品的组织结构和成分变化,峰值功率应进行控制,即电流强度应低于3 A。

氧化锆  /  闪烧烧结  /  低温快速烧结  /  四方相  /  加压辅助闪烧

A pressure rapid sintering process of tetragonal zirconia ceramics was proposed. The effects of sintering parameters (i.e., temperature, voltage, current and pressure) on the density, microstructure and phase composition of zirconia were investigated. The process superimposed a flash burning effect based on hot pressing sintering, and the high-temperature conductive zirconia was instantly densified and sintered at a high electric field strength. The results show that the pressure-assisted flash sintering process involves the advantages of hot pressing sintering and flash sintering. Zirconia powder was used as a raw material to simplify the green pressing process. Low temperature and instantaneous flash firing inhibit the high-temperature phase transformation of zirconia. Hot pressing in sintering process ensures the diffusion and flow of zirconia powder and enhances the density.

zirconia  /  flash sintering  /  low temperature rapid sintering  /  tetragonal  /  pressure assisted flash sintering
罗帅, 于成伟, 鲁仰辉. 加压辅助闪烧工艺制备四方相氧化锆. 硅酸盐学报, 2021 , 49 (3) : 455 -460 . DOI: 10.14062/j.issn.0454-5648.20200619
Shuai LUO, Chengwei YU, Yanghui LU. Pressure-assisted Flash Sintering Processing of Tetragonal Zirconia Ceramics[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (3) : 455 -460 . DOI: 10.14062/j.issn.0454-5648.20200619
  • 国家核电技术有限公司科研项目-大晶粒二氧化铀燃料材料试制(2015SN010-003)
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doi: 10.14062/j.issn.0454-5648.20200619
  • 接收时间:2020-08-17
  • 首发时间:2026-10-30
  • 出版时间:2021-03-20
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  • 收稿日期:2020-08-17
  • 修回日期:2020-09-15
基金
国家核电技术有限公司科研项目-大晶粒二氧化铀燃料材料试制(2015SN010-003)
作者信息
    国家电投集团科学技术研究院有限公司,北京 102209

通讯作者:

鲁仰辉(1981—),男,硕士,高级工程师。
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2种不同金属材料的力学参数
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genus
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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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