High-speed grinding of HIP-SiC ceramics on transformation of microscopic features
- 29 Downloads
Grinding has become one of the most efficient precision machining methods to treat with undesired machining defects and improve the surface integrity for the hard and brittle engineering ceramics. However, it is inevitable to cause micro-damages and related transformation of microscopic features, which will eventually affect the grinding quality. This paper is devoted to investigate the high-speed grinding microscopic features of silicon carbide ceramics to reveal the application of high-speed grinding technique in precision machining of ceramics. A comparative study of high-speed and conventional speed grinding of silicon carbide ceramics is discussed in terms of phase transformation, residual stresses, micro-damages, grinding chips, and surface topography. The results show that the high-speed grinding (HSG) process could help substantially improve the workpiece integrity in terms of better surface finish, smaller damages, and controlled residual stresses with a higher material removal rate. Moreover, it has also been proved that a polytypic phase transformation could be induced in HSG process.
KeywordsMicroscopic features High-speed grinding Engineering ceramics Grinding damages Ductile grinding
Unable to display preview. Download preview PDF.
This work is supported in by the China Postdoctoral Science Foundation (2018M630384) and the Fundamental Research Funds for the Central Universities (NO. 2232018D3-14 and 2232018D3-25). The authors wish to record their gratitude for their generous supports.
Compliance with ethical standards
Conflicts of interest
The authors declare that they have no conflict of interest.
- 7.Zhang QL, To S, Zhao QL, Guo B (2016) Surface generation mechanism of WC/Co and RB-SiC/Si composites under high spindle speed grinding (HSSG). Int. J Refract Met H Mater 56:123–131Google Scholar
- 18.King RF, Tabor D (1954) The strength properties and frictional behavior of brittle solids. Proc R Soc London Ser A 223(1153):225–238Google Scholar
- 20.Bifano TG, Dow TA, Scattergood RO (1991) Ductile-regime grinding: a new technology for machining brittle materials. J Eng Indus Trans ASME 113(2):184–189Google Scholar
- 23.Wu CJ, Li BZ, Liang SY (2016) A critical energy model for brittle-ductile transition in grinding considering wheel speed and chip thickness effects. Proc Inst Mech Eng B-J Eng Manuf 230(8):1372–1380Google Scholar
- 27.Rowe WB (2014) High-Speed Grinding: Principles of Modern Grinding Technology (Second Edition), Book Chapter, William Andrew. 101–112Google Scholar