以HF/H2SO4混合水溶液作为复合腐蚀剂,利用金相显微镜、原子力显微镜、接触角测量仪、紫外可见分光光度计、电子万能试验机、维氏硬度计等测试手段,研究腐蚀时间对钠钙硅酸盐玻璃表面结构以及润湿性、光学和力学性能的影响.随着腐蚀时间延长,腐蚀速率逐渐降低,表面腐蚀坑尺寸先减小后增大,腐蚀坑分布均匀性先提高后降低;接触角逐渐增大并趋于稳定值;抗弯强度先增大后减小,断裂韧度变化不明显.腐蚀20 min时腐蚀深度41 μm,腐蚀坑均匀细小,表面粗糙度Ra达到最低值5.8nm,表面接触角和抗弯强度达到最大值,分别为71°和174 MPa.
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