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【多选题】
烧结、固相反应与烧成判断正误,选出正确的答案A.
烧成过程包括烧结
B.
烧结是物理过程，但是，当烧结中出现化学反应时，很重要的工作就是要研究其中的化学反应。
C.
烧结过程往往伴随着固相反应，烧结只研究粉体变为致密体，微观晶相组成不变，但显微组织结构排列更致密，结晶更完善的现象。
D.
粘土与氧化铝粉末混合，浇注成型后，加温得到陶瓷制品是典型的烧结过程。
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