The Reason why a Sheath Exists in Enamel
- Authors
- Yoon, Young June; Kim, Il-Hyun; Han, Seog-Young
- Issue Date
- Apr-2015
- Publisher
- KOREAN SOC PRECISION ENG
- Keywords
- Enamel; Elastic modulus; Finite element analysis; Prism rods; Sheath; Stress concentration
- Citation
- INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.16, no.4, pp.807 - 811
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING
- Volume
- 16
- Number
- 4
- Start Page
- 807
- End Page
- 811
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/157583
- DOI
- 10.1007/s12541-015-0106-1
- ISSN
- 2234-7593
- Abstract
- The stress of prism rods in enamel is reduced by the existence of sheaths. A finite element model including prism rods and sheaths was created, and we found that the sheath effectively reduces the stress concentration of the prism rods under both transverse loading (x-loading) and shear loading (zx-loading). In addition, the smaller the elastic modulus of the sheath, the larger the reduction in stress concentration. We believe this is why sheaths exist in enamel, although they are very small.
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