원적외선 방사 세라믹의 소결공정 최적화
Optimization of sintering process of the far-infrared radiation ceramic
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초록
원적외선 방사세라믹은 인체의 피부 안쪽으로 깊숙이 적외선을 침투시켜 온열 및 치료환경을 주는 매력적인 재료로써, 열적 치료 장치, 온열 매트, 히터 등과 같은 분야에 많은 응용이 되고 있다. 본 연구에서는 소결 온도와 시간을 변화시킴으로써 높은 방사율을 가지는 원적외선 방사세라믹의 소결 조건을 최적화하고자 하였다. 원적외선 방사체의 상 분석은 XRD로, 그 파단면의 미세구조는 SEM을 이용하여 분석하였다. 원적외선 방사율의 측정은 FT-IR으로 행하여, 결과를 종합적으로 해석하여 소결체의 최적 공정 조건을 확립하였다.
Abstract
Far-infrared radiation ceramic is an attractive material that provides thermal therapy by permeating the infrared rays into the deep inside of the human skin. Therefore, it is currently used for thermal therapy devices, thermal mat, heating equipment and so on. This work aims to optimize the sintering process of the far-infrared radiation ceramic with the process parameters of temperature and time. A variety of characterization tools have been used to investigate the optimal sintering condition of far-infrared radiation. The phase of far-infrared radiation ceramic was characterized by using X-ray diffraction (XRD) and microstructure of fracture surface was studied by scanning electron microscopy (SEM). The FT-IR was also performed to measure the far-infrared emissivity.
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