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晶化硅酸铝纤维增强金属基复合材料 被引量:15

CRYSTALLIZED ALUMINA-SILICA SHORT FIBER REINFORCED METAL MATRIX COMPOSITES
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摘要 本文研究了非晶态硅酸铝纤维的晶化原理及晶化工艺,以便改善纤维和复合材料的成本和性能,并用X-射线能谱、X-射线衍射、电子探针和透射电镜分析技术研究了纤维与铝硅合金的界面反应现象。与非晶态硅酸铝短纤维相比,晶化硅酸铝纤维的显微硬度高,与熔融金属有稳定的化学反应,晶化硅酸铝纤维增强铝硅合金复合材料的高温抗拉强度得到提高。 The research on the principle and process of crvstallized alumina-silica shortfiber was made in this paper in order to improve the properties of the amorphous fibers andthe composite materials.The reaction phenomena of fibers with Al-Si alloys were examinedby EDX,X-ray diffraction,EPMA and TEM, As a result,the crystallized alumina-silicashort fibers show higher hardness than amorphous alumina-silica short fiber and haveremarkable stabilitv in chemical reaction with molten metal. Increase in ultimate tensilestrength at elevated temperature of the crystallized alumina-silica fibers reinforced Al-Sialloy was observed.
出处 《复合材料学报》 EI CAS CSCD 北大核心 1995年第4期12-16,共5页 Acta Materiae Compositae Sinica
关键词 硅酸铝纤维 晶化 界面 复合材料 金属基复合材料 amorphous alurnina-silica short fiber,crystallization,composite,interface
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参考文献3

  • 1周耀民,Proceedings of the second international symposium on composite materials and structires,1992年
  • 2巴布什金 B H,硅酸盐热力学
  • 3匿名著者,硅酸盐物理化学

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