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Features of passivation, oxidation and combustion of tungsten nanopowders by air

机译:钨纳米粉的空气钝化,氧化和燃烧特性

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摘要

The passivation, oxidation and combustion of tungsten nanopowders (NP) (a_s approx 100 nm), produced by an electrical explosion of wires (WEE) method, has been studied in air medium. The phase transformation for W nanopowders under air-oxidation was investigated. The oxidation process and an analysis of passivated powders were studied by FESEM, EDS, XPS, XRD, TEM, DTA-TGA and size distribution analysis was also observed- by a video camera. After the comprehensive testing of passivated, oxidized and burned powders, a chemical process of oxidation of W nanoparticles was suggested.
机译:已经在空气介质中研究了通过电线的电爆炸(WEE)方法产生的钨纳米粉末(NP)(a_s约100 nm)的钝化,氧化和燃烧。研究了W纳米粉在空气氧化作用下的相变。通过FESEM,EDS,XPS,XRD,TEM,DTA-TGA研究了氧化过程和钝化粉末的分析,还通过摄像机观察了粒度分布分析。在对钝化,氧化和燃烧的粉末进行全面测试后,提出了W纳米颗粒氧化的化学过程。

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