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Plat-Ⅱ型铸造玻璃陶瓷晶化热处理程序的研究
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【中医学检验毕业论文】黄挽力 赵云凤摘要 目的:探讨Plat-Ⅱ型铸造玻璃陶瓷晶化热处理程序。方法:本实验以Plat-Ⅱ型铸造玻璃陶瓷材料(PCC-Ⅱ型)的差热分析为基础,首先确定该材料的晶化温度范围,再用扫描电镜观察各种受控温度处理下试件晶化的情况,以确定Plat-Ⅱ型铸造玻璃陶瓷的晶化热处理程序。结果:Plat-Ⅱ型铸造玻璃陶瓷晶化热处理程序为:室温下以10 ℃/min速度升温至620 ℃,保温20分钟,再以5 ℃/min速度升温至670 ℃,保温30分钟。结论:铸造玻璃陶瓷晶化热处理程序的确定成为其进一步研制的基础。关键词 铸造玻璃陶瓷 晶化 晶核 晶体
Study on the Crystal Heat Treatment Schedule ofPlat-II Castable Ceramic
Huang Wanli, Zhao YunfengCollege of Stomatology, West China University of Medical Sciences
Abstract Objective:To establish the crystal heating schedule of Plat-II castable ceramic materials. Methods: This study first identified the thermal limits of Plat-II castable ceramic crystallization basing on DTA exothern analysis, then the crystal density of various heating schedule was observed by scanning electron microscope. Results: The efficient crystal heating schedule of Plat-II castbale ceramic was established: The temperat
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