酸处理及有机涂层对玻璃力学性能的影响

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英文篇名：Effect of Acid Treatment and Organic Coatings on Mechanical Properties of Glass 作者：张金珠 ; 杨敏 ; 沈飞华 ; 高娟红 ; 刘杰 ; 沈海明 英文作者：ZHANG Jinzhu;YANG Min;SHEN Feihua;GAO Juanhong;LIU Jie;SHEN Haiming;Zhejiang Sanxing New Materials Co.,Ltd .; 关键词：玻璃 ; 酸处理 ; 有机涂层 ; 增强 英文关键词：glass;;acid treatment;;organic coatings;;strengthening 中文刊名：BLZZ 英文刊名：Glass 机构：浙江三星新材股份有限公司; 出版日期：2019-04-25 出版单位：玻璃 年：2019 期：v.46;No.331 语种：中文; 页：BLZZ201904007 页数：4 CN：04 ISSN：13-1106/TQ 分类号：29-32

摘要

采用氢氟酸基溶液对玻璃进行腐蚀,研究酸腐蚀对玻璃强度的影响。对新鲜玻璃表面施加有机涂层,研究了玻璃表面的微观结构及力学性能。结果表明,酸腐蚀可以提高玻璃的强度,处理10 min后强度达到最大,但是强度稳定性差,表面易受损伤,在酸处理后的表面施加有机涂层可以极大提高玻璃的强度。其增强机制是,涂层填充了玻璃裂纹空隙,起到治愈损伤的效果,同时泊松抑制效应也对玻璃强度的增加起了作用。与物理钢化及化学钢化相比,这种综合增强方法明显提高了玻璃的力学性能,同时降低了成本。
        Hydrofluoric acid based aqueous solution was used for glass etching and effect of acid etching on glass strength was investigated. The fresh surface was protected by organic coatings and the microstructure and mechanical properties of glass were studied. The results show that, acid etching can improve glass strength, strength reaches maximum after 10 min acid treatment. But the strength stability is bad and the treated surface is easily damaged. Organic coatings on surface of treated glass can significantly increase in the strength of glass. The mechanism is, coatings infiltrate the flaw on the glass surface and act to heal the damage. Poisson constraint effect is also contributed to glass strengthening. Compared with thermal tempering and chemical strengthening, the comprehensive method significantly improves the mechanical properties of glass with less cost.

引文

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