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Subcritical crack growth behavior of Al2O3-glass dental composites
Alternative TitleJ. Biomed. Mater. Res. Part B
Zhu, QS; de With, G; Dortmans, LJMG; Feenstra, F
2003-05-15
Source PublicationJOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
ISSN0021-9304
Volume65BIssue:2Pages:233-238
AbstractThe purpose of this study is to investigate the subcritical crack growth (SCG) behavior of alumina-glass dental composites. Alumina-glass composites were fabricated by infiltrating molten glass to porous alumina preforms. Rectangular bars of the composite were subject to dynamic loading in air, with stressing rates ranging from 0.01 MPa/s to 2 MPa/s. The SCG parameter n was determined to be 22.1 for the composite, which is substantially lower than those of high-purity dense alumina. Investigations showed that glass phases are responsible for the low n value as cracks propagate preferentially within glass phases or along the interface between glass phases and alumina phases, due to the fact that glasses are more vulnerable to chemical attacks by water molecules under stress corrosion conditions. The SCG behavior of the infiltration glass was also investigated and the SCG parameter n was determined to be 18.7. (C) 2003 Wiley Periodicals, Inc.; The purpose of this study is to investigate the subcritical crack growth (SCG) behavior of alumina-glass dental composites. Alumina-glass composites were fabricated by infiltrating molten glass to porous alumina preforms. Rectangular bars of the composite were subject to dynamic loading in air, with stressing rates ranging from 0.01 MPa/s to 2 MPa/s. The SCG parameter n was determined to be 22.1 for the composite, which is substantially lower than those of high-purity dense alumina. Investigations showed that glass phases are responsible for the low n value as cracks propagate preferentially within glass phases or along the interface between glass phases and alumina phases, due to the fact that glasses are more vulnerable to chemical attacks by water molecules under stress corrosion conditions. The SCG behavior of the infiltration glass was also investigated and the SCG parameter n was determined to be 18.7. (C) 2003 Wiley Periodicals, Inc.
KeywordDental Ceramics Alumina-glass Composite Subcritical Crack Growth Dynamic Fatigue Mechanical Properties
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1002/jbm.b.10007
URL查看原文
Indexed BySCI
Language英语
WOS KeywordFRACTURE-TOUGHNESS ; ALUMINA CERAMICS ; FATIGUE ; STRENGTH ; CROWNS ; MICROSTRUCTURE ; ENVIRONMENT ; FAILURE ; FLAWS
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Biomedical ; Materials Science, Biomaterials
WOS IDWOS:000182764300003
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5360
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Multiphase React Lab, Inst Proc Engn, Beijing 100080, Peoples R China
2.Eindhoven Univ Technol, Lab Solid State & Mat Chem, NL-5600 MB Eindhoven, Netherlands
3.TNO, Inst Appl Phys, NL-5600 HE Eindhoven, Netherlands
4.TNO, Ind Technol, NL-5600 HE Eindhoven, Netherlands
Recommended Citation
GB/T 7714
Zhu, QS,de With, G,Dortmans, LJMG,et al. Subcritical crack growth behavior of Al2O3-glass dental composites[J]. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS,2003,65B(2):233-238.
APA Zhu, QS,de With, G,Dortmans, LJMG,&Feenstra, F.(2003).Subcritical crack growth behavior of Al2O3-glass dental composites.JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS,65B(2),233-238.
MLA Zhu, QS,et al."Subcritical crack growth behavior of Al2O3-glass dental composites".JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS 65B.2(2003):233-238.
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