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硝酸铈爆轰制备球形纳米CeO2颗粒

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2009-01-25

Journal: 爆炸与冲击

Included Journals: EI、Scopus、CSCD、ISTIC、PKU

Volume: 29

Issue: 1

Page Number: 41-44

ISSN: 1001-1455

Key Words: 爆炸力学;纳米CeO2;爆轰合成;硝酸铈;尿素

Abstract: 以硝酸铈为原料,利用爆轰合成方法制备了CeO2纳米粒子.采用XRD和TEM对爆轰产物进行了检测和表征,并考察了尿素和亚硝酸钠对爆轰产物形貌的影响.3次实验结果表明,实验所得的CeO2晶体均为立方莹石结构,粒径分别为45、64、33 nm.比较发现:混合炸药中加入尿素后,颗粒外观呈球形;混合炸药加入亚硝酸钠后,颗粒直径较小.

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