Article(id=1319222619052822626, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222570398888648, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220840, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665072000000, receivedDateStr=2022-10-07, revisedDate=1667491200000, revisedDateStr=2022-11-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456782353, onlineDateStr=2026-10-20, pubDate=1679241600000, pubDateStr=2023-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456782353, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456782353, creator=13701087609, updateTime=1792456782353, updator=13701087609, issue=Issue{id=1319222570398888648, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='3', pageStart='561', pageEnd='830', issueExtLink='null', onlineDate='null', pubDate='1679241600000', pubDateStr='2023-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456770752, creator='13701087609', updateTime=1792456924637, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223215889699377, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222570398888648, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223215889699378, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222570398888648, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=721, endPage=729, ext={EN=ArticleExt(id=1319222619291897955, articleId=1319222619052822626, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of PrAlO3 on Mechanical Properties of Zirconia Toughened Alumina Bioceramics After Hydrothermal Aging, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The temperature difference between the growth temperature of plate crystal and the sintering temperature of zirconia toughened alumina (ZTA) is the key to the toughening effect of Pr0.833Al11.833O19 plate crystal on ZTA. In this paper, PrAlO3 precursor was prepared by combustion method, and high active PrAlO3 was formed by pre sintering at 900 ℃. It made the difference between the growth temperature of plate crystal and the sintering temperature of ZTA reach 100 ℃, then the plate crystal with high aspect ratio was obtained, which played a synergistic role in toughening. At the same time, the hydrothermal aging process of ZrO2 is slowed down by the solid dissolution of Pr ions into ZrO2, the microcracks induced by phase transformation are reduced, and the fracture strength and Vickers hardness of ZTA are improved. The results show that, compared with ZTA, the fracture toughness of ZTA reinforced and toughened by Pr0.833Al11.833O19 plate crystal in simulated human environment (hydrothermal aging) increases from 7.13 MPa·m1/2 to 8.97 MPa·m1/2, the fracture strength increases from 654.78 MPa to 687.59 MPa, and the Vickers hardness increases from 18.95 GPa to 19.39 GPa.

, authors=Weixin LI1, Mingmin BAI2, Mingyu BAI3, authorsList=Weixin LI, Mingmin BAI, Mingyu BAI, authorCompany=null, correspAuthors=null, authorNote=

LI Weixin (1980-), male, Ph.D., Associate Professor. E-mail:

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板状晶生长温度与氧化锆增韧氧化铝(ZTA)烧结温度的温度差是决定Pr0.833Al11.833O19板状晶增韧ZTA效果的关键。本工作通过燃烧法制备出PrAlO3前驱体,经900 ℃预烧形成高活性PrAlO3,引入ZTA中使板状晶生长温度与ZTA烧结温度差达到100 ℃,得到高长径比的板状晶,起到协同增韧的作用。同时,通过Pr离子固溶入ZrO2减缓ZrO2的水热老化过程,减少了因相变所诱发的微裂纹,提高了ZTA的断裂强度。结果表明,与ZTA相比,Pr0.833Al11.833O19板状晶增强增韧的ZTA在模拟的人体环境中(水热老化)的断裂韧性从7.13 MPa·m1/2提高到8.97 MPa·m1/2,断裂强度由654.78 MPa提高至687.59 MPa,Vickers硬度由18.95 GPa提高至19.39 GPa。

, authors=李伟信1, 白明敏2, 白明宇3, authorsList=李伟信, 白明敏, 白明宇, authorCompany=null, correspAuthors=null, authorNote=

李伟信(1980—),男,博士,副教授。

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LI Weixin (1980-), male, Ph.D., Associate Professor. E-mail:

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LI Weixin (1980-), male, Ph.D., Associate Professor. E-mail:

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李伟信(1980—),男,博士,副教授。

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李伟信(1980—),男,博士,副教授。

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PrAlO3对氧化锆增韧氧化铝生物陶瓷水热老化后力学性能的影响
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李伟信 1 , 白明敏 2 , 白明宇 3
硅酸盐学报 | 研究论文 2023,51(3): 721-729
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硅酸盐学报 |研究论文 2023 , 51 (3) : 721 -729
PrAlO3对氧化锆增韧氧化铝生物陶瓷水热老化后力学性能的影响
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李伟信1 , 白明敏2, 白明宇3
作者信息
  • 1.景德镇学院,江西 景德镇 333400
  • 2.景德镇陶瓷大学材料科学与工程学院,江西 景德镇 333403
  • 3.山西医科大学,口腔医院口腔疾病防治与新材料山西省重点实验室,太原 030000
作者简介:

李伟信(1980—),男,博士,副教授。

Effect of PrAlO3 on Mechanical Properties of Zirconia Toughened Alumina Bioceramics After Hydrothermal Aging
Weixin LI1 , Mingmin BAI2, Mingyu BAI3
Affiliations
  • 1.Jingdezhen University, Jingdezhen 333400, Jiangxi, China
  • 2.School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, Jiangxi, China
  • 3.Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, Shanxi Medical University School and Hospital of Stomatology, Taiyuan 030000, China
  • LI Weixin (1980-), male, Ph.D., Associate Professor. E-mail:

出版时间: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220840
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板状晶生长温度与氧化锆增韧氧化铝(ZTA)烧结温度的温度差是决定Pr0.833Al11.833O19板状晶增韧ZTA效果的关键。本工作通过燃烧法制备出PrAlO3前驱体,经900 ℃预烧形成高活性PrAlO3,引入ZTA中使板状晶生长温度与ZTA烧结温度差达到100 ℃,得到高长径比的板状晶,起到协同增韧的作用。同时,通过Pr离子固溶入ZrO2减缓ZrO2的水热老化过程,减少了因相变所诱发的微裂纹,提高了ZTA的断裂强度。结果表明,与ZTA相比,Pr0.833Al11.833O19板状晶增强增韧的ZTA在模拟的人体环境中(水热老化)的断裂韧性从7.13 MPa·m1/2提高到8.97 MPa·m1/2,断裂强度由654.78 MPa提高至687.59 MPa,Vickers硬度由18.95 GPa提高至19.39 GPa。

氧化锆增韧氧化铝生物陶瓷  /  铝酸镨  /  六铝酸镨板状晶体  /  抗水热老化

The temperature difference between the growth temperature of plate crystal and the sintering temperature of zirconia toughened alumina (ZTA) is the key to the toughening effect of Pr0.833Al11.833O19 plate crystal on ZTA. In this paper, PrAlO3 precursor was prepared by combustion method, and high active PrAlO3 was formed by pre sintering at 900 ℃. It made the difference between the growth temperature of plate crystal and the sintering temperature of ZTA reach 100 ℃, then the plate crystal with high aspect ratio was obtained, which played a synergistic role in toughening. At the same time, the hydrothermal aging process of ZrO2 is slowed down by the solid dissolution of Pr ions into ZrO2, the microcracks induced by phase transformation are reduced, and the fracture strength and Vickers hardness of ZTA are improved. The results show that, compared with ZTA, the fracture toughness of ZTA reinforced and toughened by Pr0.833Al11.833O19 plate crystal in simulated human environment (hydrothermal aging) increases from 7.13 MPa·m1/2 to 8.97 MPa·m1/2, the fracture strength increases from 654.78 MPa to 687.59 MPa, and the Vickers hardness increases from 18.95 GPa to 19.39 GPa.

zirconia toughened alumina bioceramics  /  praseodymium aluminate  /  praseodymium hexaaluminate plate crystal  /  resistance to hydrothermal aging
李伟信, 白明敏, 白明宇. PrAlO3对氧化锆增韧氧化铝生物陶瓷水热老化后力学性能的影响. 硅酸盐学报, 2023 , 51 (3) : 721 -729 . DOI: 10.14062/j.issn.0454-5648.20220840
Weixin LI, Mingmin BAI, Mingyu BAI. Effect of PrAlO3 on Mechanical Properties of Zirconia Toughened Alumina Bioceramics After Hydrothermal Aging[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 721 -729 . DOI: 10.14062/j.issn.0454-5648.20220840
  • 江西省教育厅项目(GJJ211309)
  • 景德镇市技术创新中心(重点实验室)(20202PTJS001)
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doi: 10.14062/j.issn.0454-5648.20220840
  • 接收时间:2022-10-07
  • 首发时间:2026-10-20
  • 出版时间:2023-03-20
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  • 收稿日期:2022-10-07
  • 修回日期:2022-11-04
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江西省教育厅项目(GJJ211309)
景德镇市技术创新中心(重点实验室)(20202PTJS001)
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    1.景德镇学院,江西 景德镇 333400
    2.景德镇陶瓷大学材料科学与工程学院,江西 景德镇 333403
    3.山西医科大学,口腔医院口腔疾病防治与新材料山西省重点实验室,太原 030000
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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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