Document Detail

Strains and tensile stress distribution in loaded disc-shaped ceramic specimens. An FEA study.
MedLine Citation:
PMID:  9722094     Owner:  NLM     Status:  MEDLINE    
Disc-shaped specimens are frequently tested in order to establish an understanding of the properties of ceramic material. In this study three-dimensional finite element stress analysis has been used to investigate the loading characteristics of this shape of specimen and the effect of incorporating scratches and voids into its structure. The results indicated that stress increased as loading was carried out nearer to the centre of the specimen. The presence of cracks did not affect these stresses whereas the presence of a void resulted in a very high stress concentration.
M I Abu-Hassan; O A Abu-Hammad; A Harrison
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  25     ISSN:  0305-182X     ISO Abbreviation:  J Oral Rehabil     Publication Date:  1998 Jul 
Date Detail:
Created Date:  1998-10-27     Completed Date:  1998-10-27     Revised Date:  2000-12-18    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  490-5     Citation Subset:  D; IM    
Department of Oral and Dental Science, University of Bristol, UK.
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MeSH Terms
Compressive Strength
Computer Simulation
Dental Porcelain / chemistry*
Dental Stress Analysis / methods*
Finite Element Analysis*
Materials Testing
Models, Theoretical
Stress, Mechanical
Tensile Strength
Reg. No./Substance:
12001-21-7/Dental Porcelain

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