In this work, we explore factors affecting the accuracy of the master sintering curve (MSC) approach for analyzing the complete sintering profile of ceramic powders. We show that the instantaneous anisotropic shrinkage must be accounted for to develop an accurate MSC. The MSC diverges at >90% density because of basic assumptions that oversimplify the analysis of the densification process. We also show that powder chemistry and forming techniques can affect the fitting parameter Q. Q should not be interpreted as the sintering activation energy, or used to interpret mechanistic differences since it is comprised of several mechanisms that influence densification throughout the sintering cycle. Despite these limitations, the MSC is a useful and practical tool for predicting thermal load (i.e. time and temperature) effects on the densification of a ceramic part fabricated from a singular powder that is fabricated by a singular forming process.

在这项工作中，我们探索了影响用于分析陶瓷粉末完整烧结曲线的主烧结曲线（MSC）方法准确性的因素。我们表明必须考虑瞬时各向异性收缩才能开发出精确的MSC。由于基本假设过度简化了致密化过程的分析，因此MSC以> 90％的密度发散。我们还表明，粉末化学和成形技术可以影响拟合参数Q。问不应将其解释为烧结活化能，也不应将其解释为机理差异，因为它由影响整个烧结周期致密化的几种机理组成。尽管有这些限制，但MSC是一种有用且实用的工具，用于预测热负荷（即时间和温度）对陶瓷零件致密化的影响，该陶瓷零件由通过单一成形工艺制造的单一粉末制成。