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신조성의 Ti-기반 합금 수소분리막의 설계 및 수소투과 성능
고민영,신민창,장학룡,황재연,한성우,김시은,박정훈,Min Yeong Ko,Min Chang Shin,Xuelong Zhuang,Jae Yeon Hwang,Sung Woo Han,Si Eun Kim,Jung Hoon Park 한국막학회 2024 멤브레인 Vol.34 No.2
In this experiment, a Ti-based flat hydrogen separation membrane was designed and manufactured. In order to find a Ti-based hydrogen separation membrane of a new composition, the correlation between the physical-chemical properties and hydrogen permeability of various alloys was investigated. Based on this, two types of new alloy films (Ti<sub>14.2</sub>Zr<sub>66.4</sub>Ni<sub>12.6</sub>Cu<sub>6.8</sub> (70 ㎛), Ti<sub>17.3</sub>Zr<sub>62.7</sub>Ni<sub>20</sub> (80 ㎛)) was designed and manufactured. The manufactured flat hydrogen separation membrane was tested for hydrogen permeation using mixed gas (H<sub>2</sub>, N<sub>2</sub>) and sweep gas (Ar) at 300~500℃ and 1~4 bar. The Ti<sub>14.2</sub>Zr<sub>66.4</sub>Ni<sub>12.6</sub>Cu<sub>6.8</sub> alloy film has a maximum flux of 16.35 mL/cm<sup>2</sup> min at 500℃ and 4 bar, and the Ti<sub>17.3</sub>Zr<sub>62.7</sub>Ni<sub>20</sub> alloy film has a maximum flux of 10.28 mL/cm<sup>2</sup> min at 450℃ and 4 bar.