Accurate determination of the structural elasticity of human hair by a small-scale bending test

Hironori Tohmyoh, Mitsuharu Ishihara, M. A. Salam Akanda, Satoshi Yamaki, Tomoko Watanabe, Tokuro Iwabuchi

研究成果: Article査読

7 被引用数 (Scopus)

抄録

This paper reports on a small-scale bending method for human hair. The test sample, which is elliptical in cross-section, is fixed to a hollow steel needle using resin to form a cantilever. A loading probe is used to subject this to a lateral load, where the load is applied parallel to either the long or short axis of the elliptical cross-section. From these tests, load-displacement relationships for the hair were obtained. From the experimental data and analysis, we found that the structural elasticity determined is independent of the direction of bending, and precise measurements of the structural elasticity of human hair with scattering of less than 5% were realized using this test scheme. Finally, changes in the structural elasticity of hair due to hair treatments were detected and the changes are discussed based on a theoretical model of the multi-layered structure.

本文言語English
ページ(範囲)2833-2837
ページ数5
ジャーナルJournal of Biomechanics
44
16
DOI
出版ステータスPublished - 2011 11 10

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Biomedical Engineering
  • Rehabilitation

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