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The Effect of Copper Addition on the Mechanical and Wear Properties of Grey Cast Iron

机译:铜添加对灰口铸铁力学和磨损性能的影响

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An alloy of cast iron and copper (Fe-Cu) has been developed using a stir cast process. The compo-sitional, microstructural characterization and wear property of the developed Fe-Cu alloy were carried out with the aids of X-ray diffractometer, scanning electron microscope (SEM) and pin on Disc machine. The mechanical properties such as hardness and impact energy were investigated. Wear linear equations were generated with the aids of MATLAB linear fitting. The results revealed that the presence of copper (99% pure) in the melt of grey cast iron inhibited the formation of cementite. However, the impact energy of the grey cast iron increased with %weight (wt) of copper addition. Hence, the hardness and wear resistance of the developed Fe-Cu alloy were sacrificed. Hence, the developed Fe-Cu alloy is an excellent material which can be used in the vibration damping application especially in the shock absorber.
机译:铸铁和铜的合金(Fe-Cu)已通过搅拌铸造工艺开发出来。借助X射线衍射仪,扫描电子显微镜(SEM)和Pin on Disc机对已开发的Fe-Cu合金的组成,显微组织和磨损性能进行了研究。研究了诸如硬度和冲击能的机械性能。磨损线性方程是在MATLAB线性拟合的帮助下生成的。结果表明,灰铸铁熔体中铜(纯度为99%)的存在抑制了渗碳体的形成。但是,灰铸铁的冲击能量随添加铜的重量%(wt)而增加。因此,牺牲了开发的Fe-Cu合金的硬度和耐磨性。因此,开发的Fe-Cu合金是一种优异的材料,可用于减振应用,尤其是减震器。

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