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Ni-Sn金属间化合物纳米粒子的制备和热稳定性

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Indexed by:期刊论文

Date of Publication:2008-02-25

Journal:材料研究学报

Included Journals:EI、PKU、ISTIC、CSCD

Volume:22

Issue:1

Page Number:78-82

ISSN No.:1005-3093

Key Words:金属材料;Ni-Sn纳米粒子;直流电弧放电法;热稳定性

Abstract:采用直流电弧放电法制备Ni-Sn纳米粒子,研究了纳米粒子的结构、成份、形貌和热稳定性.结果表明,Sn 比Ni蒸发得快是纳米粒子的成份与原料明显偏差的主要原因.由于非平衡反应和极短的反应时间,得到的是含有Ni3Sn4的多相混合物.与低熔点的Sn纳米粒子比较,Ni-Sn金属间化合物纳米粒子在725 K左右氧化缓慢,具有良好的热稳定性.

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