The studied results show that feather-like hardystonite crystallizes in R2O-CaO-ZnO-Al2O3-SiO2, systems and the macrocrystalline of it will be gotten in the low concentrations of SiO2 and Al2O3, It is evident that the tendency towards the crystallizing of Hardystonite decreases with the equimolecular substitution of K2O by Na2O when the .
本文通过大量的配方实验和OM、XRD分析,系统研究了R2O- CaO- ZnO- Al2O3-SiO2系统锌黄长石析晶与组成和热处理温度间的相互关系。
The experimental results show that the fatigue corrosion behavour of the alloy test pieces being anodized in chromic acid is better than that in sulfuric acid, and to coat a H062 zincbearing coating on the two kinds of anodized 2024T3 aluminum alloy test pieces can greatly improve their fatigue corrosion behavour.
结果表明 ,在4 5℃酸性盐水中铬酸阳极化抗腐蚀疲劳性能优于硫酸阳极化 ;表面阳极化后涂H0 6-2锌黄底漆可显著提高抗腐蚀疲劳性能 。
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