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CeO 2 , La 2 O 3 , Y 2 O 3 , and V 2 O 5 were added in an Fe-based matrix, and then the matrices were hot pressed at 700°C. The thermal expansion coefficients and fracture stresses of the matrices were investigated, and residual stresses between the diamonds and matrices were simulated by finite element analysis. The weight losses of the specimens...
In this paper, the preparation of nano-AlN modified Na 2 O–B 2 O 3 –SiO 2 vitrified bond diamond tools with various porosities is reported. The effects of porosity on the impact strength and grinding properties of the wheels for grinding PCD blades are also discussed. The results show that the porosity not only affects the impact strength of the wheels but also the...
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