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논문 상세정보

적외 광투과 Chalcogenide계 유리의 제조 및 특성

Preparasion and Characterization of Chalcogenide Glass with IR-Transmittance

Abstract

Chalcogenide glasses having IR (8~12${\mu}{\textrm}{m}$) transmittance were prepared and their densities, thermal and mechanical properties, IR-transmittances and chemical durabilities were determined. Glass transition temperatures (Tg) of Ge-As-Se, Ge-As-Se-Te and Ge-SE-Te system glasses were in the range of 280~3$65^{\circ}C$, 210~236$^{\circ}C$ and 210~26$0^{\circ}C$, respectively. Crystallization temperature (Tc) of Ge-Se-Te system glass was in the range of 305~40$0^{\circ}C$. Their thermal expansion coefficients($\alpha$) were in the range of 11.7~15.2$\times$10-6/K, 15.4~16.0$\times$10-6/K and 17.4~27.8$\times$10-6/K, respectively. Their MOR, hardness and fracture toughness were in the range of 15.2~18.6MPa, 36.1~58.2Kg/$\textrm{mm}^2$, 1.0~1.3 MPa.mm1/2, 18.9~24.9 MPa, 40.9~65.1Kg/$\textrm{mm}^2$, 1.3~1.5 MPa.mm1/2, and 24.1~30.8 MPa, 40.9~86.0Kg/$\textrm{mm}^2$, 1.4~1.8 MPa.mm1/2, respectively. IR transmittance of Ge-Se-Te system glass was about 60%. Ge-O extrinsic absorption peaks at 8, 12 ${\mu}{\textrm}{m}$ were significantly eliminated by the addition of Mg. Chemical durabilities in deionizied water of Ge-Se-Te system glass were good and IR-transmittances decreased with leaching time and temperature.

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이 논문을 인용한 문헌 (1)

  1. 1996. "Controlled Crystallization and its Effects on Some Properties of Ge-Se-Te Chalcogenide Glass" 요업학회지 = Journal of the Korean Ceramic Society, 33(8): 855~862 

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