Sustainability of methods for augmented ultra-precision machining

YJ Lee, H Wang - International Journal of Precision Engineering and …, 2024 - Springer
Optical-grade surfaces can be manufactured on metals and ceramics through precise
control of diamond cutting tools in ultra-precision machining and traditional optimization of …

Magnetic and ultrasonic vibration dual-field assisted ultra-precision diamond cutting of high-entropy alloys

Y **ng, Y Liu, T Yin, D Li, Z Sun, C Xue, WS Yip… - International Journal of …, 2024 - Elsevier
Despite the remarkable achievements in single-energy field-assisted diamond cutting
technology, its performance remains unsatisfactory for processing high-entropy alloys …

Cracking behavior during scratching brittle materials with different-shaped indenters

H **ao, S Yin, CF Cheung, C Wang - International Journal of Mechanical …, 2024 - Elsevier
The cracking behavior greatly influences the material removal and surface integrity during
the abrasive machining of brittle materials. The abrasive machining can be simplified as a …

Mechanism in scratching of calcium fluoride with magneto-plasticity

Y Guo, J Zhan, WF Lu, H Wang - International Journal of Mechanical …, 2024 - Elsevier
Magnetic field-tuned dislocation plasticity (ie, magneto-plasticity) has attracted growing
attention for assistance to limit the damage evolution of brittle ceramics in the material …

Fabrication of microlens arrays on single-crystal CaF2 by ultraprecision diamond turning

W Huang, K Nagayama, J Yan - Journal of Materials Processing …, 2023 - Elsevier
Single-crystal calcium fluoride (CaF 2) is considered a superior optical material with good
transmittance in a wide transmitted wavelength region. However, the production of high …

Abnormal mechanochemical effect in ultraprecision machining of an additively manufactured precipitation-strengthened high-entropy alloy

L Xu, Y Bai, Y Guo, C Ren, X Tan, Y Jia, G Wang… - Journal of Materials …, 2024 - Elsevier
Recently, researchers have explored the use of precipitation strengthening and finer
microstructures with high-density dislocations in additive manufacturing to produce high …

Electro-plastic effect on the indentation of calcium fluoride

J Zhan, Y Guo, H Wang - International Journal of Mechanical Sciences, 2024 - Elsevier
Calcium fluoride (CaF 2) possesses excellent optical properties, making it a promising
material for many optical components. However, due to its brittleness, the intrinsic plasticity …

[HTML][HTML] Numerical assessment of transition in cutting mode and its effect on roughness creation

W Zheng, L Ma, S Pei, R Aghababaei - International Journal of Mechanical …, 2024 - Elsevier
Ductile-to-brittle transition in cutting mode is an important phenomenon in the ultra-precision
machining and surface finish of brittle materials. Using a newly-developed coarse-grained …

Analysis of gradient features and strengthening mechanisms of the Inconel 718 surface layer under robot belt constant-force grinding

X Huang, J Zhan, B Qi, W Guo, X Ren, Y Guo… - Tribology …, 2024 - Elsevier
Robot belt constant-force grinding is an efficient way to precisely machine Inconel 718. After
grinding, a strengthened layer is formed on the workpiece surface, affecting the service …

Water-enhanced plasticity of calcium fluoride

J Zhan, Y Guo, H Wang - Journal of the European Ceramic Society, 2024 - Elsevier
Calcium fluoride (CaF 2) ionic crystals have been observed to be sensitive to humid
environments during ultra-precision machining, but further discussion about detailed …