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浸滲-反應合成Cf/Ti-Al復合材料的反應機理
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Reaction Mechanism of Cf/Ti-Al Composite by Infiltration-Reaction Synthesis
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    摘要:

    以Ti粉、純Al和碳纖維為原料，采用浸滲-反應合成法研制了Cf/Ti-Al復合材料，根據(jù)DSC測試結(jié)果確定反應合成溫度。結(jié)果表明：在后期加熱過程中，隨著反應溫度的升高，TiAl3的含量先增多后減少，碳纖維與Al的界面反應逐漸增強，Al4C3和TiC逐漸增多，在高溫階段，氧參與反應，復合材料中有Al2O3生成。通過SEM和XRD測試分析了復合材料內(nèi)部的顯微組織及相組成，同時探討了Cf/Ti-Al復合材料中各物相形成過程的反應機理

    Abstract:

    Carbon fiber reinforced Ti-Al composite was fabricated through infiltration-reaction sythesis process, using Ti powder, Al and carbon fiber as starting materials. The results show that the interface reaction between carbon fiber and Al intensified gradually, the content of TiAl3 increased firstly and then decreased, and Al4C3 and TiC increased with increasing of temperature. Forming of Al2O3 took place in the composite owing to oxygen participating in high temperature stage. The microstructure and phases composition were analyzed by SEM and XRD, and reaction mechanism of the synthesis process among the components of carbon fiber reinforced Ti-Al composite was investigated

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劉艷梅,武高輝,修子揚,姜龍濤,姜國慶.浸滲-反應合成Cf/Ti-Al復合材料的反應機理[J].稀有金屬材料與工程,2009,38(5):807~811.[Liu Yanmei, Wu Gaohui, Xiu Ziyang, Jiang Longtao, Jiang Guoqing. Reaction Mechanism of Cf/Ti-Al Composite by Infiltration-Reaction Synthesis[J]. Rare Metal Materials and Engineering,2009,38(5):807~811.]
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  • 收稿日期:2008-05-31
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