Study on the grindability of nano-vitrified bond CBN grinding wheel for nickel-based alloy
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This paper aims to study the effect of nano-vitrified bond grinding wheels on the grinding ability of nickel-based alloys and explores the effect of different content of nano-materials on the performance of grinding wheels. The nano-vitrified bond grinding wheel is manufactured by adding nano-materials into the conventional vitrified bond. When the content of nano-SiO2 is 10% and the content of nano-Al2O3 is 5%, the refractoriness, fluidity, and bending strength of the bond are superior to those of the conventional vitrified bond grinding wheel. Through the grinding experiment of high-temperature nickel-based alloy GH4169, it proved that the grinding force of nano-vitrified bond grinding wheel and the grinding temperature are lower than the conventional vitrified bond grinding wheel, and the grinding surface quality is better than the conventional vitrified abrasive. Obviously, nano-vitrified bond CBN grinding wheel is more suitable for the grinding of high-temperature alloy.
KeywordsNano-vitrified bond Superalloy Grinding CBN grinding wheel
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The authors would like to thank the Major State Basic Research Development Program of China (2017YFA0701200) and the National Natural Scientific Foundation of China (No. U1508206 and No. 51275084) for the financial support of this work. The authors also would acknowledge the Key laboratory project of Liaoning Province (LZ2015038) for the financial support of this research work. The authors also would gratefully acknowledge the supported from the Science and Technology Planning Project of Shenyang (No.18006001).
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