Review on research and development of abrasive scratching of hard brittle materials and its underlying mechanisms

H Qian, M Chen, Z Qi, Q Teng, H Qi, L Zhang, X Shan - Crystals, 2023 - mdpi.com
Hard brittle materials such as ceramics and crystals are commonly utilized in various
industries, including information technology, mechanical engineering, and semiconductors …

Numerical and experimental investigation on the abrasive flow machining of artificial knee joint surface

R Ji, Z Qi, J Chen, L Zhang, K Lin, S Lu, Y Li - Crystals, 2023 - mdpi.com
The titanium alloy artificial knee joint is used extensively in the current medical industry due
to its distinct characteristics and properties that are like the real human knee joint, but it does …

DEM and experimental study on the ultrasonic vibration-assisted abrasive finishing of WC-8Co cemented carbide cutting edge

H Qi, S Qin, Z Cheng, Y Zou, D Cai, D Wen - Powder Technology, 2021 - Elsevier
A new method for the passivation of the cutting edge on flat-end cemented carbide (WC-
8Co) cutter using ultrasonic vibration-assisted abrasive finishing was presented. Discrete …

Numerical investigation on particle impact erosion in ultrasonic-assisted abrasive slurry jet micro-machining of glasses

H Qi, D Wen, Q Yuan, L Zhang, Z Chen - Powder technology, 2017 - Elsevier
Abstract A Computational Fluid Dynamics based erosion model is presented to numerically
study the influence of ultrasonic vibrating workpiece on the particle impact erosion of …

Investigation on tee junction erosion caused by sand-carrying fracturing fluid

L Yao, Y Liu, Z Xiao, Z Feng - Tribology International, 2023 - Elsevier
The high-speed flow of sand-carrying fracturing fluid through tee junctions causes severe
erosion and affects the safety of the fracturing operation. This study improves the traditional …

Investigation on particle motions and resultant impact erosion on quartz crystals by the micro-particle laden waterjet and airjet

L Zhang, R Ji, Y Fu, H Qi, F Kong, H Li… - Powder Technology, 2020 - Elsevier
To investigate particle motions and resultant impact erosion is highly desirable to improve
the abrasive waterjet and abrasive airjet micro-machining performance. Numerical study …

Semi-resolved CFD-DEM modeling of gas-particle two-phase flow in the micro-abrasive air jet machining

G Zhu, H Li, Z Wang, T Zhang, M Liu - Powder technology, 2021 - Elsevier
Abrasive air jet (AAJ) machining is attractive for micromachining hard and brittle materials,
while it is usually a big challenge to numerically investigate the particle velocity and …

On the predictive modelling of machined surface topography in abrasive air jet polishing of quartz glass

Z Wang, HN Li, TB Yu, H Chen, J Zhao - International journal of mechanical …, 2019 - Elsevier
Abstract Abrasive Air Jet Polishing (AAJP) process can be considered as one of the most
promising ultra-high-precision finishing methods of quartz glass products due to the superior …

CFD-based study of the abrasive flow characteristics within constrained flow passage in polishing of complex titanium alloy surfaces

L Zhang, Z Yuan, Z Qi, D Cai, Z Cheng, H Qi - Powder Technology, 2018 - Elsevier
Study on the constrained abrasive flow polishing of complex titanium alloy surfaces is
discussed both numerically and experimentally. The numerical simulation using …

An experimental investigation on laser assisted waterjet micro-milling of silicon nitride ceramics

L Wang, C Huang, J Wang, H Zhu, X Liang - Ceramics International, 2018 - Elsevier
Laser assisted waterjet (LAWJ), a novel technology, is applied in micromachining brittle
material with nearly thermal damage-free. This paper presents an improved process for …