Research Status of the Pendulum High-Speed Single Grain Test

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Abstract:

This paper has designed the pendulum type in high speed of single grit cutting equipment, discussed the material process of deformation and failure mechanism. During the investigation, compared with the abrasive cutting export and cutting entry based on the MP tool coating, which is badly broken when the cutting depth increases gradually at the entrance, and is broken less when the cutting depth gradually decreases at the export. Researched the MP tool coating of Surface and subsurface damages by indentation and scratching, it has demonstrated that on one side of the groove has appeared the crack and with severe plastic flow phenomena by scratching, and by indentation the cracks of the groove is not produce on both sides and bottom, but at the bottom of the trench existing extrusion phenomenon.

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187-192

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October 2016

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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