Dynamic response of quartz crystal microbalances in contact with silicone oil droplets

Han Zhuang; Heow Pueh Lee; Siak Piang Lim

doi:10.1117/12.848916

14 April 2010 Dynamic response of quartz crystal microbalances in contact with silicone oil droplets

Han Zhuang, Heow Pueh Lee, Siak Piang Lim

Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 75222X (2010) https://doi.org/10.1117/12.848916
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore

Abstract

Quartz crystal microbalances (QCMs) in contact with liquid droplets have been used to investigate the rheological properties of liquids and the diverse solid-liquid interfacial phenomena. In this article, we first report the experimental results of the QCM responses due to the deposition of microliter droplets of silicone oils. The silicone oils with viscosity in a range from 50cS to 10³cS are tested. It has been found that the responses in the frequency and resistance measurements of the QCM in contact with the silicone oils are different from the Newtonian liquids. More importantly, it has been found that for the silicone oils the frequency of the QCM steadily increases for several hours and even exceeds the initial value of the unloaded QCM which has resulted in the positive frequency changes. The collaborative effects of the interfacial slip and viscoelasticity have been discussed to qualitatively interpret the positive frequency changes. Secondly, we discuss the cyclical variations in the frequency and resistance during the experiments of the silicone oils, which are attributed to the generation of the compressional wave in the droplets. The present work has shown some phenomena which need to be taken into consideration when using the droplet QCM as a rheological sensor and may stimulate the ongoing research on the related issues in the QCM community.

Citation Download Citation

Han Zhuang, Heow Pueh Lee, and Siak Piang Lim "Dynamic response of quartz crystal microbalances in contact with silicone oil droplets", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 75222X (14 April 2010); https://doi.org/10.1117/12.848916

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available