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산소 플라즈마 처리가 스테인레스 스틸 섬유의 표면 및 인장특성에 미치는 영향
권미연,임대영,이승구,Kwon, MiYeon,Lim, Dae Young,Lee, Seung Goo 한국염색가공학회 2022 韓國染色加工學會誌 Vol.34 No.2
The physicochemical properties of stainless steel fibers which were modified by oxygen plasma treatment were analyzed through microscopy and XPS analysis. The wettability of the surface of the stainless steel fiber was observed by measuring water contact angle to find out the effect of the plasma treatment time on the surface characteristics of the stainless steel fiber. In addition, in order to understand the effect of oxygen plasma treatment on the deterioration of the stainless steel fiber properties, the physical properties due to plasma treatment was investigated by measuring the weight reduction, tensile strength, elongation, tensile modulus of the stainless steel fibers according to the treatment time. As a result, the stainless steel fiber surface was etched by the oxygen plasma and the surface became more wettable by the introduction of hydrophilic functional groups. However the physical properties of the stainless steel fiber were not significantly deteriorated even if the surface of the stainless steel fiber made hydrophilic.
산처리에 의한 금속섬유의 표면특성 및 에폭시 수지와의 계면접착 특성에 관한 연구
권미연,임대영,이승구,Kwon, MiYeon,Lim, Dae Young,Lee, Seung Goo 한국섬유공학회 2021 한국섬유공학회지 Vol.58 No.3
In this study, the chemical changes in the fiber surface according to the acid treatment time of the metal fiber were analyzed by energy dispersive X-ray spectroscopy (EDS) analysis and contact angle analysis. Morphological changes were observed using scanning electron microscopy (SEM) with acid treatment time. We observed the wettability and surface energy by measuring the contact angle to investigate the effect of the surface properties of the metal fibers on the interfacial adhesion with the polymer resin. In addition, we prepared single fiber composite material specimens and measured the interfacial shear strength to investigate the potential of composite materials for wearable device applications. Consequently, the contact surface with the resin was increased owing to the increase in surface cracks and etching through the surface modification of the metal fiber, and the interfacial shear strength with the polymer was improved by making the surface hydrophilic according to the hydrophilic groups.
엔터테인먼트 환경을 위한 손 움직임 기반의 PC 입력 장치 개발
김창환(Changhwan Kim),김혜림(Hyerim Kim),정인재(Injae Jung),김수지(Suji Kim),권미연(Miyeon Kwon) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
In the digital era, the entertainment market is continuously evolving; however, the limitations of conventional input devices have led to a decrease in user immersion. This paper proposes a novel input device that controls PCs based on user hand movements to address this issue. Utilizing Arduino for device implementation and C++-based WinForms for UI composition, the prototype is produced to verify the devices functionality, and the hardware is output through 3D modeling. This approach aims to overcome the drawbacks of traditional input devices and provide an optimal entertainment experience. Additionally, the device is anticipated to have various applications, such as presentation controllers and input devices for individuals with disabilities.