Comparative Assessment of the Surface Integrity of AD730® and IN718 Superalloys in High-Speed Turning with a CBN Tool
Abstract
:1. Introduction
2. Surface Integrity of Nickel-Based Superalloys after Machining
3. AD730® and IN718 Superalloys
4. Experimental Setup and Procedures
- CBN 170-grade PCBN with 65% CBN content by volume and a grain size of ~2 µm;
- TiCN as a binder reinforced by SiC whisker fibers;
- High fracture toughness;
- 25-µm edge radius and edge honing.
5. Results and Discussion
5.1. Cutting Force and Surface Roughness
5.2. Surface Morphology
5.3. Subsurface Deformation
5.4. Residual Stresses
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Elements (vol. %) | AD730© | IN718 |
---|---|---|
Ni | 59.4 | 53.8 |
Fe | 3.94 | 17.8 |
Cr | 15.6 | 17.9 |
Co | 8.42 | 0.17 |
Mo | 3.02 | 2.92 |
Al | 2.32 | 0.47 |
Ti | 3.51 | 1.01 |
Nb | 1.12 | 5.4 |
C | 0.02 | 0.025 |
W | 2.59 | - |
Zr | 0.05 | - |
B | 0.02 | 0.004 |
Si | - | 0.07 |
Mn | - | 0.06 |
Cu | - | 0.04 |
Cutting tool | PCLNL 3225 P12L |
Insert grade | CBN 170 |
Cutting speed: vc (m·min−1) | 300 |
Feed rate: f (mm·rev−1) | 0.1 |
Depth of cut: ap (mm) | 0.25 |
Cooling pressure (bar) | 8 |
Cooling method | Jet stream |
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Zhou, J.; Chen, Z.; Persson, H.; Peng, R.L.; M’Saoubi, R.; Gustasson, D. Comparative Assessment of the Surface Integrity of AD730® and IN718 Superalloys in High-Speed Turning with a CBN Tool. J. Manuf. Mater. Process. 2019, 3, 73. https://doi.org/10.3390/jmmp3030073
Zhou J, Chen Z, Persson H, Peng RL, M’Saoubi R, Gustasson D. Comparative Assessment of the Surface Integrity of AD730® and IN718 Superalloys in High-Speed Turning with a CBN Tool. Journal of Manufacturing and Materials Processing. 2019; 3(3):73. https://doi.org/10.3390/jmmp3030073
Chicago/Turabian StyleZhou, Jinming, Zhe Chen, Henrik Persson, Ru Lin Peng, Rachid M’Saoubi, and David Gustasson. 2019. "Comparative Assessment of the Surface Integrity of AD730® and IN718 Superalloys in High-Speed Turning with a CBN Tool" Journal of Manufacturing and Materials Processing 3, no. 3: 73. https://doi.org/10.3390/jmmp3030073