从最简单的沉降过程--单一粒径粉末的沉降开始,描述了颗粒沉降的特点,并简述了用共沉降法制备梯度材料的基本原理.着重阐述了用共沉降法制备梯度材料的基本工艺过程.介绍了用共沉降法制备梯度材料的现状和使具有不同烧结性能的组元同是致密化这一目前仍需解决的关键问题.
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