Investigation of enhanced viscosity of squeezed liquids affected by solid-liquid absorptiveness via nanoindentation technique

Pal Jen Wei, Yen Xing Shen, Ting Fu Lin, Jen Fin Lin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A method is proposed to investigate squeeze-induced viscosity enhancement via a nanoindentation technique. A spherical indenter was moved to approach mica and highly oriented pyrolytic graphite specimens immersed in n-Tetracane and water liquids, which are opposite in solid-liquid absorptiveness. Before contact occurred, significant repulsive forces were found to be resulted from enhanced viscosity under squeeze. A Gaussian-like function of viscosity varying with separation was applied to solve the elastohydrodynamics problem. The enhanced viscosity behaviour was found to be strongly related to solid-liquid absorptiveness.

Original languageEnglish
Pages (from-to)9-12
Number of pages4
JournalMicro and Nano Letters
Volume6
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

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