Cryogenic Machining of Hard-To-Machine Material, AISI 52100: A Study of Chip Morphology and Comparison with Dry Machining

Ai Hua Huang; Yusuf Kaynak; Domenico Umbrello; I.S. Jawahir

doi:10.4028/www.scientific.net/AMR.500.140

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Cryogenic Machining of Hard-To-Machine Material, AISI 52100: A Study of Chip Morphology and Comparison with Dry Machining

Abstract:

Cryogenic cooling is a new emerging cooling application in machining processes. Quantitative understanding of the effects of cryogenic cooling on the machining performance is important for continued applications. This study focuses on cryogenic machining of hard-to-machine material, AISI 52100, particularly with an analysis of cooling-induced chip morphology, chip hardness and the effect of workpiece hardness, etc., as these measures reflect the material`s thermo-mechanical behavior during the plastic deformation. AISI 52100 steel, with different initial hardness values, is selected as the work material for orthogonal cutting under dry and cryogenic cooling conditions, and the results are compared. The findings of this study show that cryogenic cooling affects the chip formation process, and the associated hardness produced on the machined surface.

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Periodical:

Advanced Materials Research (Volume 500)

Pages:

140-145

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.500.140

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Online since:

April 2012

Authors:

Ai Hua Huang, Yusuf Kaynak, Domenico Umbrello, I.S. Jawahir

Keywords:

Chip Morphology, Cryogenic Cooling, Surface Integrity

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