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- W862369894 abstract "采用两步热压烧结（Hot Pressing，HP）方法制备了高致密度的Yoa—SiAlON（Y1410，即m=1．4，n=1．0）陶瓷，研究了升温速率、烧结时间和驻留温度对陶瓷物相组成、微观结构以及光学性能的影响。结果表明：SiAlON陶瓷的相组成不受升温速率的影响，升温速率较快（20℃／min）时陶瓷的晶粒尺寸相对较小、分布较均齐、透过率相对较高，1．1mm厚样品最大近红外透过率为50．2％，比升温速率为10℃／min的陶瓷高8．0％；烧结时间较短（1h）时陶瓷的晶粒尺寸相对较小，透过率较高，1．1mm厚样品最大近红外透过率为43．6％，而当烧结时间为2h时陶瓷中有新相生成，且微结构均匀性较差，其最大透过率比烧结时间为1h的低8．0％；较低的驻留温度易促进β-SiAlON形成和柱状晶发育，对提高SiAlON陶瓷透光性不利。" @default.
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- W862369894 date "2009-01-01" @default.
- W862369894 modified "2023-09-24" @default.
- W862369894 title "制备工艺对热压Y-α-SiAlON陶瓷微结构及光学性能的影响" @default.
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