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Investigation of Bond Strength in Centrifugal Lining of Babbitt on Cast Iron

机译:巴氏铸铁离心衬里粘结强度的研究

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摘要

The quality of the bond between Babbitt metal and a cast iron substrate was evaluated for centrifugal casting and static casting using the Chalmers bond strength method and scanning electron microscopy (SEM). The effect of three different centrifugal casting parameters, the speed of revolution, the pouring rate, and the cooling rate, was investigated. The bond strength and the microstructure at the bond interface were predominantly affected by the cooling rate, with a fast cooling rate resulting in better properties. The speed of revolution and the pouring rate only had a small effect on the bond strength, with faster revolution and faster pouring rate resulting in slightly better bonds.
机译:使用Chalmers粘结强度方法和扫描电子显微镜(SEM)对离心铸造和静态铸造评估了巴氏合金与铸铁基底之间的结合质量。研究了三种不同的离心铸造参数,转速,浇注速率和冷却速率的影响。粘结速率和粘结界面处的微观结构主要受冷却速率的影响,快速的冷却速率可带来更好的性能。旋转速度和浇注速率仅对粘结强度产生很小的影响,更快的旋转和更快的浇注速率会导致粘结效果更好。

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