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首页> 外文期刊>Silicon >High-Temperature Wettability Investigations on Laboratory-Developed CaO-CaF2-SiO2-Al(2)O(3)Flux System-Based Welding Electrode Coatings for Power Plant Applications
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High-Temperature Wettability Investigations on Laboratory-Developed CaO-CaF2-SiO2-Al(2)O(3)Flux System-Based Welding Electrode Coatings for Power Plant Applications

机译：实验室开发的CaO-Caf2-SiO2-Al（2）O（3）焊剂系统的焊接电极涂层高温润湿性研究

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摘要

This article is an attempt to examines high-temperature wettability properties of laboratory-developed electrode coatings for power plant applications. The properties include contact angle between the solid/liquid interfaces, spreading area, surface tension, and work of adhesion. Coatings were prepared using CaO-CaF2-SiO2-Al(2)O(3)basic flux system. The sessile drop method was used to estimate the contact angle at the liquid/solid interface while surface tension was calculated using Young's and Boni's equations based on the measured contact angle. The interaction effect of individual minerals and their binary mixtures (CaO.CaF2, CaO.SiO2, CaO.Al2O3, CaF2.SiO2, CaF2.Al2O3, and SiO2.Al2O3) on the wettability properties were studied using the regression analysis. Optimum flux compositions were estimated using Multi-response optimization. The contact angle decreases when basic oxides (CaO, CaF2) were added in a higher proportion than the acidic oxides. With the decrease in the contact angle spreading area increased and CaF(2)comes out to be the significant constituent causes the increase in the spreading area. Binary mixtures CaO.CaF2, CaO.SiO2, and CaF2.SiO(2)has an increasing effect on the work of adhesion.
机译：本文是试图检查用于发电厂应用的实验室开发电极涂层的高温润湿性。该性能包括固体/液体界面，扩散区域，表面张力和粘合性工作之间的接触角。使用CaO-CaF2-SiO 2-Al（2）O（3）碱性通量系统制备涂层。使用基于测量的接触角的杨氏和Boni方程计算液体/固体界面处的液体/固体界面处的接触角来估计液体/固体界面处的接触角。使用回归分析研究了单个矿物质及其二元混合物的相互作用和二元混合物（CaO.caF2，CaO2.SiO2，CaO.Al2O3，CaF2.SiO2，CaF2.al2O3和SiO2.al2O3）。使用多响应优化估计最佳助焊剂组合物。当碱性氧化物（CaO，CaF 2）以比酸性氧化物的比例较高时，接触角减少。随着接触角扩散区域的降低，CAF（2）出现为显着的成分导致扩散区域的增加。二元混合物CaO.caf2，CaO.SiO2和Caf2.Sio（2）对粘合性的作用越来越大。

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