Stress-strain analysis for evaluating the effect of the orientation of dentin tubules on their mechanical properties and deformation behavior

Chang Fu Han, Bo Hsiung Wu, Chung Jen Chung, Shu Fen Chuang, Wang Long Li, Jen Fin Lin

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

A model whose porosity does not vary with compression depth is developed for evaluating the mechanical properties of dentin tubules with various orientation angles from micro-pillar nanocompression tests. Experimental results for a range of loading rates indicate that the yielding parameters and the elastic modulus are little affected by the creep behavior. For a given compression depth, the hardness, elastic modulus, and yielding strength decrease with increasing orientation angle of dentin. The mechanical properties obtained using the proposed model are consistent with the reported data, and are actually more precise since they consider the orientation angle. The proposed testing method can be applied to materials that yield a negative value of the elastic modulus due to creep behavior.

原文English
頁(從 - 到)1-8
頁數8
期刊Journal of the Mechanical Behavior of Biomedical Materials
12
DOIs
出版狀態Published - 2012 八月

All Science Journal Classification (ASJC) codes

  • Biomaterials
  • Biomedical Engineering
  • Mechanics of Materials

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