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Tensile Behavior of Aluminum Matrix Composites Reinforced by Aluminum Borate Whiskers and Magnetic Ceramic Particles

机译:铝硼酸铝晶须和磁性陶瓷颗粒加固铝基基复合材料的拉伸行为

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Aluminum borate whiskers and magnetic ceramic particles (NiFe_2O_4 or Fe_3O_4) reinforced aluminum matrix composites were synthesized by a squeeze casting technique. Microstructures were observed using scanning electron microscopy (SEM). The tensile strength and tensile yield strength of the as-cast composites containing NiFe_2O_4 particles were higher than that of composites containing Fe_3O_4 particles. The tensile yield strength of the thermomagnetically treated composites was higher than that of the as-cast or the thermally treated composites. The effects of the magnetostrictive property of Fe_3O_4 or NiFe_2O_4, the interface and the thermal residual stresses on tensile behaviors of the composites with different treatments were discussed in this paper.
机译:通过挤压铸造技术合成铝硼酸铝晶须和磁性陶瓷颗粒(NiFe_2O_4或Fe_3O_4)增强铝基基复合材料。使用扫描电子显微镜(SEM)观察微观结构。含有NiFe_2O_4颗粒的浇铸复合材料的拉伸强度和拉伸屈服强度高于含Fe_3O_4颗粒的复合材料的铸造复合材料。热磁体处理复合材料的拉伸屈服强度高于铸造或热处理的复合材料的拉伸屈服强度。本文讨论了Fe_3O_4或NiFe_2O_4,界面和NiFe_2O_4,界面和热残余应力对具有不同治疗的复合材料的拉伸行为的磁致伸缩性。

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