玻璃析晶指由于玻璃的内能较同组成的晶体为高所以玻璃处于介稳状态在一定条件下存在着自发地析出晶体的倾向这种出现晶体的现象叫做析晶又称失透或反玻璃化测定玻璃析晶性能就是指测定玻璃的析晶温度范围上限和下限以及在该温度范围内玻璃的析晶程度根据测定结果可以制定合理的溶制成形和热加工制度从而避免析晶的产生得到透明而理想的玻璃制品
用扫描电子显微镜和X射线衍射技术分析了微晶玻璃析晶和显微特征。
The crystallization and microstructure of the glass were investigated using scanning electron microscopy and X-ray diffraction technique.
用这一判据可以方便，准确地确定各玻璃系统中玻璃析晶的难易，寻求稳定的玻璃成份。
With this criterion, the easiness of glass crystallization in glass systems can be easily and accurately determined so as to find a stable glass composition.
利用 XRD，SEM 和 DTA 等分析手段研究了晶化和核化时间对微晶玻璃析晶行为的影响。
The effects of nucleation and crystallization time on crystals behaviour were studied by XRD, SEM and DTA.
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