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首页> 外文会议>Proceedings of the First International Conference on Application and Commercialization of Sol-Gel Processing, Saarbruecken, Germany >Local repairing of lining glass layer by the alumina powder composite sol-gel method
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Local repairing of lining glass layer by the alumina powder composite sol-gel method

机译：氧化铝粉复合溶胶-凝胶法局部修复玻璃衬里层

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摘要

Alumian powder composite sol-gel method has been applied for repairing a damaged part of glass lining. Excellent physico-chemical properties of the composite gel-drived glass were shown. The feasibility of the alumina powder composite gel-glass route was confirmed by the standard tests for airtight, permeation, adhesion strength, thermal shock strength and thermal fatigue strength. The durability against organic solvents was found equivalent to lining glass but the durability against water, acid or alkali aq. solution was less than the lining glass. The composite gel-glass proved to be durable for at least 6 month period. The characteristic feature of the alumina powder composite sol-gel technique includes (a) accelerated gelation in the preence of solid fine partticles, (b) very small volume shrinkage of powder composite gel-derived glass during drying or heating and (c) low working temperature for repairing processes at 300 deg C.
机译：铝粉复合溶胶-凝胶法已被用于修复玻璃衬里的受损部分。显示了复合凝胶驱动玻璃的优异的理化性质。通过气密性，渗透性，粘合强度，热冲击强度和热疲劳强度的标准测试证实了氧化铝粉末复合凝胶-玻璃路线的可行性。发现其对有机溶剂的耐久性与衬里玻璃相当，但对水，酸或碱水溶液的耐久性却不高。溶液少于衬玻璃。该复合凝胶玻璃经证明至少可以持续6个月。氧化铝粉末复合溶胶-凝胶技术的特征包括：（a）在存在固体细颗粒的情况下加速凝胶化；（b）在干燥或加热过程中粉末复合凝胶衍生的玻璃的体积收缩非常小；（c）低加工性修复过程的温度为300摄氏度。

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