Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/121761
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Type: Journal article
Title: Micro-slurry jet for surface processing of dental ceramics
Author: Baba, T.
Nakashima, Y.
Takahashi, S.
Matsubara, T.
Yin, L.
Nakanishi, Y.
Citation: Biosurface and Biotribology, 2019; 5(1):8-12
Publisher: IET - Institution of Engineering and Technology
Issue Date: 2019
ISSN: 2405-4518
2405-4518
Statement of
Responsibility: 
Takashi Baba, Yuta Nakashima, Shohei Takahashi, Tohru Matsubara, Ling Yin, Yoshitaka Nakanishi
Abstract: A micro-slurry jet (MSJ) was used for removing microscopic cracks and microstructural defects on surfaces of dental ceramics, in which the MSJ functioned as a wet blasting machine using mixed alumina particles and water to spray workpiece surfaces by a compressed air. Plate specimens made from a composite resin ceramic (CERASMART 270) and a zirconia ceramic (KZR-CAD Zr) were prepared using a dental computer-aided manufacturing system. The results indicate that the MSJ processing has removed the microscopic cracks and defects on surfaces of the composite resin ceramic, and improved the material bending strength. In comparison, the MSJ processing created spraying patterns on zirconia surfaces due to the movement of the MSJ injection nozzle. The bending strength of the MSJ processed zirconia was slightly deteriorated because of the MSJ-induced patterns which might have led to stress concentrations on the ceramic surfaces.
Rights: This is an open access article published by the IET and Southwest Jiaotong University under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
RMID: 0030119613
DOI: 10.1049/bsbt.2018.0028
Appears in Collections:Mechanical Engineering publications

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