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What is Crack Initiation in Fused Alumina Grains about?

The study investigates the crack initiation threshold (F_i) of fused alumina abrasive grains using the Vickers indentation technique to estimate their abrasion strengths. Results indicate that the crack initiation thresholds correlate with the strengths of the abrasive grains, which are influenced by the crystalline structure of the A1203 phase rather than impurities like chromium, iron, manganese, and titanium. The findings suggest that the strength of the A1203 crystals primarily determines the overall st

Author

vladnilsonr

Language

EN