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表面氧化層對TiMn1.25Cr0.25儲氫合金活化性能的影響
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TG139.7

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國家"863"后續(xù)能源基金資助(2001AA515022)


Effect of Surface Oxide Layer on the Activation Behavior of TiMn1.25Cr0.25 Hydrogen Storage Alloy
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    摘要:

    通過TiMn1.25Cr0.25合金粉活化前在空氣中暴露不同的時間，探討了表面氧化層的形成對其活化性能的影響?；罨瘻y試結(jié)果表明：合金的活化難度隨著合金在空氣中暴露時間的延長而加大。俄歇電子能譜(AES)結(jié)果表明，在空氣中暴露后的合金表面形成了一層大約6nm-10nm厚的表面氧化層，正是這層氧化層的形成加大了合金的活化難度。掃描電鏡(SEM)結(jié)果表明合金的活化過程與合金的碎化有著密切的聯(lián)系。

    Abstract:

    The effect of surface oxide layer on the activation behavior of TiMn1.25Cr0.25 alloy is discussed through different exposure time to air prior to activation. The activation results imply that activation of TiMn1.25Cr0.25 alloy becomes more difficult with the time of exposure to air prolonging. The auger Electron Spectroscopy (AES) results present that an about 6 nm~10 nm thick oxide layer is formed on the surface of TiMn1.25Cr0.25 alloy, which is a important factor of effect the activation behavior of this alloy. The scanning electron microcopy (SEM) result show that the activation process of TiMn1.25Cr0.25 alloy is closely related with alloy grain fragmentation.

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余學(xué)斌 吳鑄 黃太仲 陳金舟 倪君.表面氧化層對TiMn1.25Cr0.25儲氫合金活化性能的影響[J].稀有金屬材料與工程,2004,33(11):1191~1194.[Yu Xuibin, Wu Zhu, Huang Taizhong, Chen Jinzhou, Ni Jun. Effect of Surface Oxide Layer on the Activation Behavior of TiMn1.25Cr0.25 Hydrogen Storage Alloy[J]. Rare Metal Materials and Engineering,2004,33(11):1191~1194.]
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  • 最后修改日期:2003-03-24
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