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首页> 外文期刊>Key Engineering Materials >The Reaction between Ti_3AlC_2 and Cu in the Synthesis Process of Cu/Ti_3AlC_2 Composites
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The Reaction between Ti_3AlC_2 and Cu in the Synthesis Process of Cu/Ti_3AlC_2 Composites

机译:Cu / Ti_3AlC_2复合材料的合成过程中Ti_3AlC_2与Cu的反应

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摘要

In this work, the reaction between Ti_3AlC_2 and Cu in the synthesis process of Cu/Ti_3AlC_2 composites has been studied. According to the results of XRD, SEM and EDS, Ti_3AlC_2 reacts easily with Cu to generate TiC and intermetallic compound Cu_9Al_4 when the holding temperature is higher than 950℃, no matter how much Cu is contained. In addition, when the content of Cu increases, more layered Ti_3AlC_2 grains react with Cu and form irregular shaped grain containing Cu, Ti, Al and C elements. Therefore, the Cu/Ti_3AlC_2 composites cannot be synthesized above 950℃by hot-pressed method if no specific treatment is used.
机译:在这项工作中,研究了Cu / Ti_3AlC_2复合材料的合成过程中Ti_3AlC_2与Cu之间的反应。根据XRD,SEM和EDS的结果,当保持温度高于950℃时,无论含有多少Cu,Ti_3AlC_2都容易与Cu反应生成TiC和金属间化合物Cu_9Al_4。另外,当Cu含量增加时,更多层的Ti_3AlC_2晶粒与Cu反应并形成包含Cu,Ti,Al和C元素的不规则形状的晶粒。因此,如果不进行特殊处理,则不能通过热压法在950℃以上合成Cu / Ti_3AlC_2复合材料。

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