Decomposition behavior of titanium hydride treated by surface oxidation
查看参考文献17篇
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文摘
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Titanium hydride attracts more attention as foaming agent in the fabrication of cellular metal materials.In order to meet most aluminum casting alloy’s melting properties, the heat treatment processes for TiH_2 particles were investigated in a rotating device. In the present work,the most two important dynamic parameters, the treating temperature and oxidation interval, were taken under consideration. The decomposition behavior of titanium hydride was measured by differential scanning calorimetry(DSC) and the residual hydrogen content, morphologies and phase conversion were also characterized by hydrogen determinator, scanning electron microscopy(SEM), and X-ray diffractometer(XRD), respectively. The results show that the effect of temperature on the formation of oxidation film and decomposition behavior of TiH_2 is more significant than that of oxidation time. The onset temperature and peak value of TiH_2 decomposition shift from left to right through elevating temperature and extending time.Heat treatment process for TiH_2 at 500 °C between 1 and5 h in air is favorable for preparing aluminum foam. |
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来源
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Rare Metals
,2015,34(1):28-33 【核心库】
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DOI
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10.1007/s12598-014-0415-z
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关键词
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Titanium hydride
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Oxidation treatment
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Thermal decomposition
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Aluminum foam
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地址
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1.
School of Materials and Metallurgy, Northeastern University, Engineering Technology Research Centre of Ministry of Education for Materials Advanced Preparation, Shenyang, 110819
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School of Materials and Metallurgy, Northeastern University, Shenyang, 110819
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1001-0521 |
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学科
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化学工业 |
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基金
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the Science and Technology Department of Liaoning Province of China
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国家自然科学基金
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文献收藏号
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CSCD:5354392
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引证文献
1
篇
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1
Wu Ming
Hydrogen permeation resistance and characterization of Si–Al and Si–Zr composite sol oxide coating on surface of zirconium hydride
Rare Metals,2017,36(1):55-60
被引
6
次
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