Influence of CaF2@Al2O3 on Cutting Performance and Wear Mechanism of Al2O3/Ti(C,N)/CaF2@Al2O3 Self-Lubricating Ceramic Tools in Turning
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Ceramic Tools
2.2. Cutting Test
3. Results and Discussion
3.1. Microstructure of Ceramic Tool
3.2. Influence of CaF2@Al2O3 on Cutting Force
3.3. Influence of CaF2@Al2O3 on Cutting Temperature
3.4. Influence of CaF2@Al2O3 on Flank Wear
3.5. Influence of CaF2@Al2O3 on Surface Roughness
3.6. Influence of CaF2@Al2O3 on Wear Morphology and Antifriction Mechanism
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Name | Particle Size | Purity | Manufacturer |
---|---|---|---|
Al2O3 | 1 µm | >99.9% | Shanghai Chaowei Nanotechnology Co., Ltd.(Shanghai, China) |
Ti(C,N) | 0.5 µm | >99.9% | Shanghai Chaowei Nanotechnology Co., Ltd.(Shanghai, China) |
MgO | 1 µm | >99.9% | Chemical Reagents Co., Ltd.(Beijing, China) |
CaF2@Al2O3 | 1-5 µm | - | self-made |
Sample | Main Chemical Components (vol.%) | Mechanical Properties | ||||||
---|---|---|---|---|---|---|---|---|
Al2O3 | Ti(C,N) | MgO | CaF2 | CaF2@Al2O3 | Hardness/(GPa) | Flexural Strength/(MPa) | Fracture Toughness/(MPa•m1/2) | |
ATCN-C10 | 67.34 | 22.16 | 0.5 | 10 | - | 15.10 | 606 | 5.02 |
ATCN-C@5 | 71.10 | 23.40 | 0.5 | - | 5 | 16.31 | 632 | 6.25 |
ATCN-C@10 | 67.34 | 22.16 | 0.5 | - | 10 | 17.29 | 680 | 6.50 |
ATCN-C@15 | 63.58 | 20.92 | 0.5 | - | 15 | 15.53 | 571 | 5.62 |
Rake Angle | Relief Angle | Cutting Edge Angle κr | Corner Radius | Inclination Angle λS | Cutting Negative Chamber |
---|---|---|---|---|---|
−5° | 5° | 45° | 0.2 mm | 0° | 0.1 mm × −10° |
Workpiece | C | Si | Mn | Cr | Ni | S | P | Fe |
---|---|---|---|---|---|---|---|---|
40 Cr | 0.37–0.45 | 0.17–0.37 | 0.5–0.8 | 0.8–1.1 | ≤0.03 | ≤0.035 | ≤0.035 | Bal. |
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Zhang, S.; Xiao, G.; Chen, Z.; Xu, C.; Yi, M.; Li, Q.; Zhang, J. Influence of CaF2@Al2O3 on Cutting Performance and Wear Mechanism of Al2O3/Ti(C,N)/CaF2@Al2O3 Self-Lubricating Ceramic Tools in Turning. Materials 2020, 13, 2922. https://doi.org/10.3390/ma13132922
Zhang S, Xiao G, Chen Z, Xu C, Yi M, Li Q, Zhang J. Influence of CaF2@Al2O3 on Cutting Performance and Wear Mechanism of Al2O3/Ti(C,N)/CaF2@Al2O3 Self-Lubricating Ceramic Tools in Turning. Materials. 2020; 13(13):2922. https://doi.org/10.3390/ma13132922
Chicago/Turabian StyleZhang, Shuai, Guangchun Xiao, Zhaoqiang Chen, Chonghai Xu, Mingdong Yi, Qi Li, and Jingjie Zhang. 2020. "Influence of CaF2@Al2O3 on Cutting Performance and Wear Mechanism of Al2O3/Ti(C,N)/CaF2@Al2O3 Self-Lubricating Ceramic Tools in Turning" Materials 13, no. 13: 2922. https://doi.org/10.3390/ma13132922