改进座滴法测量Fe-0.2S钢与CaO接触角
Improved Sessile Drop Method Measure The Contact Angle Between Fe-0.2S Steel With CaO
本文采用改进座滴法,测量了Fe-0.2S钢与CaO基片的接触角。该方法有效避免了钢样在加热阶段与基片发生反应导致接触角测量不准的问题,确保钢液滴能够以球形形态与CaO基片发生接触。在 1600℃下Fe-0.2S钢滴与CaO基片的初始接触角为 100°,在8 分钟内逐渐升高至 123°并保持不变。通过SEM-EDS分析发现钢滴与CaO基片界面生成了 50μm厚的的CaS层,这导致钢滴中的硫含量降低,从而使钢滴与CaO基片的接触角升高。
The contact angle between Fe-0.2S steel with CaO was measured by improved sessile drop method.This method effectively avoids the problem of inaccurate contact angle measurement caused by the reaction between steel sample and substrate during the heating stage,and ensures the steel drop can wet the substrate with a spherical shape.The results show that liquid steel can react with CaO substrate directly by spherical droplets.The initial contact angle between t…查看全部>>
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