Ultrasonic vibration-assisted grinding of micro-structured surfaces on silicon carbide ceramic materials

Precision grinding of silicon carbide ceramic micro-structured moulds is becoming more common in the area of the moulding of glass materials. However, in micro-structured grinding of super-hard and brittle materials, problems frequently occur in terms of chipping and rounding of micro-structural edg...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2012-03, Vol.226 (3), p.553-559
Main Authors: Guo, B, Zhao, Q-L, Jackson, M J
Format: Article
Language:English
Subjects:
Applied sciences
Brittleness
Ceramic molding materials
Ceramics
Exact sciences and technology
Grounds
Mechanical engineering. Machine design
Mechanical engineers
Microstructure
Molds
Moulds
Precision engineering, watch making
Silicon carbide
Ultrasonic vibration
Vibration
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Summary:Precision grinding of silicon carbide ceramic micro-structured moulds is becoming more common in the area of the moulding of glass materials. However, in micro-structured grinding of super-hard and brittle materials, problems frequently occur in terms of chipping and rounding of micro-structural edge features. In order to overcome these technological constraints, a promising method using ultrasonic vibration of workpiece materials is proposed. The design of a novel ultrasonic vibration apparatus and the experimental investigation of ultrasonic vibration assisted grinding of SiC micro-structures are presented. The experimental results show that the application of ultrasonic vibration can enhance the ground surface quality and improve the edge features of micro-structures.
ISSN:0954-4054
2041-2975
DOI:10.1177/0954405411423574