Y. S. Pyun

Publications39
h-index7
Citations192
Highly Influential Citations2
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Preliminary Study of the Effect of Micro-Scale Dimple Size on Friction and Wear under Oil-Lubricated Sliding Contact
One of the conclusively presumed effects of micro-scale dimples under oil-lubricated conditions is that can serve as oil reservoirs and play a role in promoting the retention of a lubricating film.… Expand
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Significant improvement in cell adhesion and wear resistance of biomedical β-type titanium alloy through ultrasonic nanocrystal surface modification
Abstract A novel β-type Ti–29Nb–13Ta–4.6Zr (TNTZ) alloy with a low Young's modulus, high bio-corrosion resistance, and excellent biocompatibility has been recently introduced for implant… Expand
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Surface modification by machine hammer peening and burnishing
TLDR
All surface modification processes using guided tools with periodic or continuous contact to the workpiece are compared in this paper. Expand
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Wear mechanisms of silicon carbide subjected to ultrasonic nanocrystalline surface modification technique
Abstract A modified surface layer with a thickness of about 4 µm was produced at the top surface of sintered silicon carbide (SiC) by ultrasonic nanocrystalline surface modification (UNSM) technique.… Expand
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Improvement of the tribological properties of Al6061-T6 alloy under dry sliding conditions
Abstract The tribological properties of ultrasonic nanocrystalline surface modification (UNSM) treated Al6061–T6 alloy were investigated at various normal loads under dry sliding conditions. Electron… Expand
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THE CONCEPTS AND PROPERTIES OF NANO-SKIN MATERIALS AND COMPONENTS CREATED BY ULTRASONIC NANOCRYSTAL SURFACE MODIFICATION
Material surface and immediate subsurface layers can be called "skin". A novel Ultrasonic Nanocrystal Surface Modification (UNSM) technology produces uniformed micro dimples on the top surface and… Expand
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Artificial neural network-based prediction model of residual stress and hardness of nickel-based alloys for UNSM parameters optimization
Abstract Ultrasonic Nanocrystal Surface Modification (UNSM) is known as one of the surface treatment techniques that utilizes an ultrasonic vibration energy to improve mechanical properties and… Expand
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Surface nanocrystallization by ultrasonic nano-crystal surface modification and its effect on gas nitriding of Ti6Al4V alloy
Abstract The effects of Ultrasonic Nanocrystal Surface Modification (UNSM) on the gas nitriding behavior of Ti6Al4V alloy have been investigated. Gas nitriding was performed at 700 and 800 °C. The… Expand
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Restoration of rolling-contact-fatigued surfaces via nanoskin technology.
Rolling contact fatigue (RCF) is known as the dominant factor determining the service life of bearing materials. In this work, the fatigue life of the typical bearing alloy was significantly improved… Expand
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High Strength and Wear Resistance of Tantalum by Ultrasonic Nanocrystalline Surface Modification Technique at High Temperatures
Enhancing the strength of materials is of great concern in that the failures such as wear, corrosion and fatigue occur on the surface. A tantalum (Ta), which is a refractory metal, was subjected to… Expand
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