A comparison of contact angle measurement results obtained on bare, treated, and coated alloy samples by both dynamic sessile drop and Wilhelmy method

被引：19

作者：

Lorand Romanszki ^{[1
]}

Miklos Mohos ^{[1
]}

Judit Telegdi ^{[1
]}

Zsofia Keresztes ^{[1
]}

Lajos Nyikos ^{[1
]}

机构：

[1] Hungarian Acad Sci, Res Ctr Nat Sci, Dept Interfaces & Surface Modificat, Inst Mat & Environm Chem, H-1025 Budapest, Hungary

来源：

PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING | 2014年 / 58卷

关键词：

contact angle; sessile drop; Wilhelmy; copper-nickel; aluminium brass; stainless steel; SURFACE-TENSION; SOLID-SURFACES; COATINGS; ENERGY; COPPER;

D O I：

10.3311/PPch.7188

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The goal of this work was to compare the performance of our home-built dynamic sessile drop contact angle (CA) goniometer with our NIMA Dynamic Surface Tensiometer. Water CA measurements on different alloy samples (aluminium brass, copper nickel 70/30, stainless steel 304) have been carried out by I) sessile drop and 2) Wilhelmy plate method Different sets of substrates were i) cleaned; ii) cleaned and pre-treated; iii) cleaned, pre-treated and coated with atactic polystyrene. During these experiments, the main features of the two setups in connection with our sample properties were understood We therefore found it desirable and justified to sum up our findings.

引用

页码：53 / 59

页数：7

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