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[1]何勇,李昆.EDTA-氨联合络合法制备纳米86.2W-13.1Fe-0.7Ni复合粉体[J].有色金属科学与工程,2018,(01):71-76.[doi:10.13264/j.cnki.ysjskx.2018.01.012]
 HE Yong,LI Kun.Preparation of nano86.2W-13.1Fe-0.7Ni composite powder by combined EDTA-NH3 complexing process[J].,2018,(01):71-76.[doi:10.13264/j.cnki.ysjskx.2018.01.012]
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EDTA-氨联合络合法制备纳米86.2W-13.1Fe-0.7Ni复合粉体(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2018年01期
页码:
71-76
栏目:
出版日期:
2018-01-30

文章信息/Info

Title:
Preparation of nano86.2W-13.1Fe-0.7Ni composite powder by combined EDTA-NH3 complexing process
作者:
何勇李昆
中南大学粉末冶金国家重点实验室,长沙 410083
Author(s):
HE Yong LI Kun
State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China
关键词:
EDTA-氨络合沉淀法86.2W-13.1Fe-0.7Ni纳米复合粉体pH值反应时间
分类号:
TF123
DOI:
10.13264/j.cnki.ysjskx.2018.01.012
文献标志码:
A
摘要:
以硝酸镍、硝酸亚铁和偏钨酸铵为原料,氨水和EDTA为络合剂,SDS为表面活性剂,采用络合沉淀法制备WO3-Fe2O3-NiO前驱体,再经800 ℃、60 min氢气还原得到纳米86.2W-13.1Fe-0.7Ni复合粉体. 研究反应pH值和反应时间对前驱体粉末组成、形貌及粒度的影响. 结果表明:pH=8.0、水浴时间为60 min时,可获得成分稳定、平均粒度为1.16 μm的近球形微团聚WO3-Fe2O3-NiO前驱体. 还原后的86.2W-13.1Fe-0.7Ni复合粉体,具有椭球状的颗粒形貌,粒度为80~100 nm,物相由W和Fe3Ni2两相构成.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-09-15
基金项目:湖南省自然科学基金资助项目(H201510140330001)
通信作者:李昆(1968- ),男,副教授,主要研究方向为难熔金属复合粉制备研究,E-mail:kunlee@csu.edu.cn.
更新日期/Last Update: 2018-01-30