Contact angles; wetting and de-wetting of mercury: Part I. A critical examination of surface tension measurement by the sessile drop method

1961 ◽  
Vol 80 (6) ◽  
pp. 635-649 ◽  
Author(s):  
C. A. Smolders ◽  
E. M. Duyvis
Keyword(s):  
Surface Tension ◽  
Sessile Drop ◽  
Contact Angles ◽  
Sessile Drop Method ◽  
Critical Examination ◽  
Surface Tension Measurement ◽  
Drop Method

Surface Tension Measurement of Liquid Fe-Si-B Alloy by Sessile Drop Method

2013 ◽  
Vol 573 ◽  
pp. 9-12 ◽  
Author(s):  
Kuo Lin Chao ◽  
Shuang Shii Lian ◽  
Chung Yung Wu ◽  
Ku Ling Chang
Keyword(s):  
Surface Tension ◽  
Contact Angle ◽  
Liquid Drop ◽  
Sessile Drop ◽  
Digital Camera ◽  
Contact Angles ◽  
Sessile Drop Method ◽  
Surface Tension Measurement ◽  
Drop Method ◽  
Increasing Temperature

The purpose of this study is to measure contact angle and surface tension of liquid Fe-Si-B alloys at high temperature using sessile drop method. The surface tension and contact angle result is based on sessile drop method by use of a digital camera to take the drop profile and fit the profile by Youngs-Laplace equation. The surface tension of liquid Fe-Si-B alloy and its dependence on temperature has been studied. Contact angles of this liquid alloy on various refractories substrate have been determined using this instrument. The result showed that the contact angles and surface tension of Fe-4Si-3B alloy liquid drop on Al2O3 substrate have value of 134 to 127and 1575-1350 mN/m respectively. The result indicated also that increasing temperature can decrease contact angle and surface tension in Fe-Si-B alloy.

Surface tension of molten silicon measured by microgravity oscillating drop method and improved sessile drop method

2006 ◽  
Vol 54 (5) ◽  
pp. 1221-1225 ◽  
Author(s):  
Hidetoshi Fujii ◽  
Taihei Matsumoto ◽  
Shun Izutani ◽  
Shoji Kiguchi ◽  
Kiyoshi Nogi
Keyword(s):  
Surface Tension ◽  
Sessile Drop ◽  
Sessile Drop Method ◽  
Molten Silicon ◽  
Drop Method

Wettability, Surface Tension and Work of Adhesion of Cu-Ti Alloys on Yttria Partially-Stabilized Zirconia at 1273K

2014 ◽  
Vol 941-944 ◽  
pp. 102-107 ◽  
Author(s):  
Wei Ji Mao ◽  
Hiroki Sannomiya ◽  
Nobuya Shinozaki ◽  
Toshifumi Ogawa
Keyword(s):  
Surface Tension ◽  
Sessile Drop ◽  
Titanium Content ◽  
Contact Angles ◽  
Sessile Drop Method ◽  
Work Of Adhesion ◽  
Stabilized Zirconia ◽  
Partially Stabilized Zirconia ◽  
Ti Alloys ◽  
Yttria Partially Stabilized Zirconia

The wetting behavior of molten Cu-Ti alloys with titanium content of 10mass%, 20mass% and 30mass% on the Yttria Partially-Stabilized Zirconia (Y-PSZ) substrates was investigated at 1273K using the sessile drop method. The wettability improved with increasing the titanium content of the alloy. The stabilized contact angles of Cu-10mass%Ti, Cu-20mass%Ti and Cu-30mass%Ti alloys on the Y-PSZ substrate were measured to be 69°, 47°and 30°, respectively. The surface tension of the molten Cu-Ti alloys and the work of adhesion of alloy/substrate interface increased with increasing the titanium content. A larger work of adhesion attributes to firmer bonding between the molten Cu-Ti alloy and the Y-PSZ substrate, and can greatly improve the wettability.

A Practical Procedure for Measuring Contact Angles in Wettability Studies by the Sessile Drop Method

MRS Advances ◽  
2019 ◽  
Vol 4 (57-58) ◽  
pp. 3143-3152
Author(s):  
J. López-Cuevas ◽  
M.I. Pech-Canul ◽  
J.L. Rodríguez-Galicia ◽  
J.C. Rendón-Angeles
Keyword(s):  
Liquid Drop ◽  
Sessile Drop ◽  
Reactive Systems ◽  
Soda Lime ◽  
Solid Substrate ◽  
Contact Angles ◽  
Sessile Drop Method ◽  
Soda Lime Glass ◽  
Experimental Conditions ◽  
Drop Method

ABSTRACTAn old procedure used to carry out a graphical derivation of curves, which is based on the optical properties of plane mirrors, has been adapted for the measurement of the contact angle (θ) formed between a liquid drop and a flat solid substrate in wettability experiments carried out by the so-called “sessile drop” method. The method was tested for mercury on soda-lime glass at room temperature in air as well as for Cusil (Ag-28wt.%Cu) and Incusil-ABA (Ag-27wt.%Cu-12wt.%In-2wt.%Ti) brazing alloys on pressureless-sintered silicon carbide (PLS-SiC) at 850 °C, under a vacuum of 10-4/10-5 Torr. The proposed method is fast, simple and accurate enough from high (∼140°) to relatively low (∼10°) contact angles. Although the proposed method has been tested for metal-ceramic systems, it is of general application, so that it would be useful for any liquid-solid system. The method is applicable for any temperature, pressure and atmospheric experimental conditions employed, as well as for any chemical composition of liquid and solid. It is also useful for both low and high contact angles, as well as for reactive and non-reactive systems, as long as a photograph of a liquid drop resting on a flat solid surface is available for the studied system.

Slag density and surface tension measurements by the constrained sessile drop method

Fuel ◽  
2017 ◽  
Vol 188 ◽  
pp. 173-181 ◽  
Author(s):  
Marc A. Duchesne ◽  
Robin W. Hughes
Keyword(s):  
Surface Tension ◽  
Sessile Drop ◽  
Sessile Drop Method ◽  
Drop Method
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