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Features of stress-strain state of surface layer metal during free orthogonal cutting

The technique and research results on creation of surface layer mechanical conditions parameters at free
orthogonal cutting are presented. Stress tensor, strain rate tensor and general mechanical condition factors distribution along flow lines are obtained. It is demonstrated, that creation of surface layer mechanical condition parameters at metal cutting and surface plastic deformation methods obey common patterns. Experimental research
results confirmed the validity of proposed analytical models for loading programs at metal cutting.