Recovery of abrasive grains from grinding wheel waste
However, they can be used as value-added grains in low-temperature applications, like coated abrasives and resinoid grinding wheels. In 2019, Sabarinathan and his colleagues published a paper following up on the 2018 study. It explored how well the recovered brown alumina abrasives worked as value-added grains in resinoid grinding wheels.
Brown fused alumina is made from bauxite ore under conditions that allow the partial removal of impurities as ferrosilicon. The impurities left lower its melting temperature by about 50°C and it is used commonly, e.g., in refractories for blast furnace trough and induction furnace linings.
Effects of abrasive material and hardness of grinding wheel
Qian et al. [19] found that the grinding chips adhered on the brown fused alumina grinding wheel when grinding the K4125 and Inc718 superalloy. Gu et al. [20] studied the grinding performances of brown alumina and microcrystalline alumina grinding wheels with vitrified bonder during creep-feed deep grinding, respectively. They found that the
Norzon NV 40% alumina-zirconia grain demonstrates spectacular cutting ability because of its inherent strength and high resistance to dulling. Our unique manufacturing process allows for one of the most durable materials in the abrasives industry, outperforming commodity abrasives like brown fused aluminum oxide and silicon carbide.
Effects of abrasive material and hardness of grinding wheel
The abrasives used on GS and grinding belts are mainly fused zirconia alumina (ZA), brown fused alumina (A) and white fused alumina (WA) [1, 14, 25,26], etc. Wear of abrasives can impair the GS
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