Surface formation and damage mechanisms of nano-ZrO 2 ceramics under axial ultrasonic-assisted grinding

다국어 초록 (Multilingual Abstract)

In this study, the surface formation and damage mechanism of hard-brittle materials in axial ultrasonic-assisted grinding (AUAG) were revealed using the grinding force and grinding force ratio. Theoretical analysis presented that the grinding force and grinding force ratio in AUAG are relatively small. AUAG is a machining method with a large tangential force and a small normal force, which can promote the removal of hard-brittle materials and reduce the surface and subsurface damage (SSD). Scratching and grinding tests of nano-ZrO 2ceramics were conducted to validate the theoretical analysis. The results demonstrated that the periodic tangential force under the AUAG promotes the nucleation and propagation of shallower lateral micro-cracks, thereby allowing the easier removal of hard-brittle materials.
Additionally, the proportion of brittle fracture was less, and the surface roughness and maximum SSD depth were significantly small. Therefore, AUAG is a suitable ultra-precision machining technique for hard-brittle materials.

참고문헌 (Reference)

1 C. Zhang, "Ultrasonic vibration-assisted scratch-induced characteristics of C-plane sapphire with a spherical indenter" 64 : 38-48, 2013

2 L. L. Wan, "Thermal-mechanical coupling simulation and experimental research on the grinding of zirconia ceramics" 47 : 41-51, 2019

3 Z. Yang, "The grinding force modeling and experimental study of ZrO2 ceramic materials in ultrasonic vibration assisted grinding" 45 (45): 8873-8889, 2019

4 E. Uhlmann, "Surface formation in creep feed grinding of advanced ceramics with and without ultrasonic assistance" 47 (47): 249-252, 1998

5 Y. Wang, "Study on the system matching of ultrasonic vibration assisted grinding for hard and brittle materials processing" 77 : 66-73, 2014

6 T. G. Bifano, "Specific grinding energy as an in-process control variable for ductile-regime grinding" 13 (13): 256-262, 1991

7 G. F. Gao, "Research on the surface characteristics in ultrasonic grinding nano-zirconia ceramics" 209 (209): 32-37, 2009

8 M. Baraheni, "Predicting subsurface damage in silicon nitride ceramics subjected to rotary ultrasonic assisted face grinding" 45 (45): 10086-10096, 2019

9 B. Zhao, "Modern Grinding Technology" China Machine Press 30-34, 2003

10 R. Wdowik, "Measurements of surface texture parameters after ultrasonic assisted and conventional grinding of ZrO2 based ceramic material characterized by different states of sintering" 62 : 293-298, 2017

11 C. Li, "Material removal mechanism and grinding force modelling of ultrasonic vibration assisted grinding for SiC ceramics" 43 (43): 2981-2993, 2017

12 W. Gu, "Investigation of grinding modes in horizontal surface grinding of optical glass BK7" 211 (211): 1629-1636, 2011

13 D. Zhang, "Grinding model and material removal mechanism of medical nanometer zirconia ceramics" 8 (8): 2-, 2014

14 Z. Liang, "Experimental study on brittle-ductile transition in elliptical ultrasonic assisted grinding (EUAG) of monocrystal sapphire using single diamond abrasive grain" 71 : 41-51, 2013

15 A. Talon, "Effect of hardened steel grinding using aluminum oxide wheel under application of cutting fluid with corrosion inhibitors" 104 (104): 1437-1448, 2019

16 J. Lopes, "Application of MQL technique using TiO2nanoparticles compared to MQL simultaneous to the grinding wheel cleaning jet" 106 (106): 2205-2218, 2020

17 Z. Liang, "A new two-dimensional ultrasonic assisted grinding (2D-UAG) method and its fundamental performance in monocrystal silicon machining" 50 (50): 728-736, 2010

18 H. Wang, "A mechanistic model on feeding-directional cutting force in surface grinding of CFRP composites using rotary ultrasonic machining with horizontal ultrasonic vibration" 155 : 450-460, 2019

19 D. Liu, "A cutting force model for rotary ultrasonic machining of brittle materials" 52 (52): 77-84, 2012

20 D. Liu, "A cutting force model for rotary ultrasonic machining of brittle materials" 52 (52): 77-84, 2012