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兵工学报  2014 

液相化学法制备纳米铝粉及其表征

DOI: 10.3969/j.issn.1000-1093.2014.10.009, PP. 1575-1580

Keywords: 兵器科学与技术,液相化学法,纳米铝粉,微结构调控,制备

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Abstract:

?为了得到微结构可控的纳米铝粉,尝试用液相化学法制备纳米铝粉,并采用X射线衍射(XRD)仪、场发射扫描电子显微镜(FESEM)和能谱仪(EDS)对其进行表征。研究了原料摩尔比、催化剂用量和分解温度对铝粉形貌、粒径和组成的影响。在此基础上,优化出最佳制备工艺参数,当AlCl3∶LiAlH4摩尔比为1∶6,催化剂用量为0.04mL,分解温度为110℃时,制得的纳米铝粉为类球形,平均粒径约为50nm,杂质Cl、Ti含量少。

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