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OALib Journal期刊
ISSN: 2333-9721
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SiC颗粒对Zr55Al10Ni5Cu30非晶形成能力和热稳定性的影响
, PP. 414-418
Keywords: SiC/,Zr55Al10Ni5Cu30,块体非晶复合材料
Abstract:
采用铜模铸造方法成功制备了体积分数高达27%的SiC/Zr55Al10Ni5Cu30块体非晶复合材料.光学显微镜、X射线衍射和透射电镜分析表明,非晶基体上均匀分布SiC颗粒，SiC颗粒与基体间形成了厚度为10nm的反应层.DSC分析表明,块体非晶复合材料的玻璃转变温度、晶化温度和过冷液相区随SiC体积分数的增加而提高.电子探针分析和计算结果表明,Si原子和部分C原子通过扩散进入基体合金中,从而提高了非晶合金的形成能力和热稳定性.
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