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纳米LaF_3块体材料的制备及表征

Release time:2021-03-15 Hits:

Key Words:LaF3;;纳米晶块体材料;;真空;;高压;;固结
 Abstract:采用水溶液直接沉淀法制备了平均粒径为16.7nm,粒度均匀,近似球形的LaF3纳米粉体。采用真空高压固结法在真空度10-4Pa条件下常温加压至1GPa制备了纳米LaF3块体材料,相对密度达到92.3%。成型过程中纳米LaF3的晶粒尺寸没有发生变化。退火处理可以使块体的相对密度有一定提高,但是同时也使晶粒尺寸明显增大。
 Volume:No.235
 Issue:06
 Translation or Not:no

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