Study on Surface Residual Stress of Nano-Zirconia Toughened Alumina Ceramics under Two-Dimentional Ultrasonic Vibration Assisted Grinding

Yan Yan Yan; Bo Zhao; Jun Li Liu

doi:10.4028/www.scientific.net/AMR.126-128.143

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 126-128Study on Surface Residual Stress of Nano-Zirconia...

Study on Surface Residual Stress of Nano-Zirconia Toughened Alumina Ceramics under Two-Dimentional Ultrasonic Vibration Assisted Grinding

Abstract:

Based on good processing property of two-dimentional ultrasonic vibration assisted grinding (TUVAG), the precision finishing of nano-zirconia toughened alumina ceramics (nano-ZTA) is carried out. According to theoretical analysis, TUVAG may obtain higher machining efficiency and better surface quality. Especially, experimental results show it may obtain the compressive stress in the finished surface of nano-ZTA that may restrain the expansion of surface microcrack, and surface residual stress of nano-ZTA under TUVAG differs from that under diamond grinding, and TUVAG may obtain the better surface quality of nano-ZTA than diamond grinding, as is characterized by scanning electronic microscope (SEM). As a result, it is good for TUVAG as a kind of processing method for nano-ZTA.

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Periodical:

Advanced Materials Research (Volumes 126-128)

Pages:

143-147

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.126-128.143

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Online since:

August 2010

Authors:

Yan Yan Yan, Bo Zhao, Jun Li Liu

Keywords:

Grinding, Residual Stress, Ultrasonic Vibration, Zirconia Toughened Alumina Ceramics

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