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This study investigates the effects of dry and cryogenic machining on grain refinement in AISI 4340 alloy steel. Results indicate that cryogenic cooling significantly enhances surface and subsurface properties by producing a higher concentration of ultrafine globular particles and reducing cutting temperatures by 35-55%. The findings suggest that cryogenic conditions lead to improved microstructural characteristics and mechanical properties compared to traditional dry machining.

Author

gustavose23

Language

EN