Design and development of ultrasonic assisted-rotational magnetorheological abrasive flow finishing (UA-RMRAFF) process

Y Choopani, MR Razfar, M Khajehzadeh… - Applied Acoustics, 2022 - Elsevier
The rotational-magnetorheological abrasive flow finishing (R-MRAFF) process, as one of the
derivatives of the abrasive flow finishing (AFF) process, has a high potential for surface …

Nanoscale polishing technique of biomedical grade NiTi wire by advanced maf process: Relationship between surface roughness and bacterial adhesion

SR Jang, IW Suh, L Heng - Journal of Functional Biomaterials, 2023 - mdpi.com
Nitinol (NiTi), an alloy of nickel and titanium, wires are an important biomedical material that
has been used in catheter tubes, guidewires, stents, and other surgical instruments. As such …

Achieving high accuracy of Co-Cr-Mo femoral head for improving tribological properties of hip joint prosthesis via a three-axial MFAF process

L Heng, G Kim, SD Mun, JH Song - Materials Today Communications, 2024 - Elsevier
Rough surface and low precision roundness of femoral head can significantly affect
tribological properties of hip joint prosthesis such as wear, von Mises stress, friction …

An experimental study on the abrasive flow machining of aluminum alloy (AA 2024)

Y Choopani, M Khajehzadeh, MR Razfar - SN Applied Sciences, 2023 - Springer
The drilling and boring of the aluminum alloys tubes have a significant challenge in surface
defects and burr phenomena. There is an ever-increasing demand for the surface …

Development of fiber flow finishing (FFF) process for polishing hip prostheses

Y Choopani, M Khajehzadeh, MR Razfar - Journal of Manufacturing …, 2021 - Elsevier
In this paper, a new polishing process has been developed based on a smart polishing
media called fiber flow finishing (FFF). The proposed polishing media included styrene …

Self-optimizing process planning of multi-step polishing processes

B Denkena, MA Dittrich, HN Nguyen, K Bild - Production Engineering, 2021 - Springer
Self-optimizing process planning is an essential approach for finding optimum process
parameters and reducing ramp-up times in machining processes. For this purpose, polishing …

Novel polishing media based on fiber for finishing hip joint implants

Y Choopani, M Khajehzadeh, MR Razfar - The International Journal of …, 2022 - Springer
Automating the finishing process of the femoral head in hip joint implants is one of the
greatest concerns in industrial and academic societies. To achieve this goal, first, a negative …

Research on the Prediction of Material Removal and Over-grinding Optimization for Abrasive Flow Machining of 3D Printed Right-Angle Bends

Y Lv, K Wang, F Li, W Wang, J Zhang, W Zhu - Physica Scripta, 2024 - iopscience.iop.org
Addressing the issue of over-grinding on the outer side of right-angle bends in abrasive flow
machining due to the gradient change of abrasive inertia force, a model for predicting …

RETRACTED: Novel Polishing Media for Finishing Hip Joint Implants

Y Choopani, M Khajehzadeh, MR Razfar - 2021 - researchsquare.com
Automating the finishing process of the femoral head in hip joint implants is one of the
greatest concerns in industrial and academic societies. To achieve this goal, first, a negative …