Ti 0.3 Zr 0.2 V 0.5 합금의 수소흡수 특성에 미치는 수소화물의 영향

이동진; 박제신; 서창열; 이재천; 김원백; Dongjin Lee; Jeshin Park; Changyoul Suh; Jaechun Lee; Wonbaek Kim

Korean Journal of Materials Research, Vol.15, No.5, 306-312, May, 2005

DOI10.3740/MRSK.2005.15.5.306 Export Citation

Ti 0.3 Zr 0.2 V 0.5 합금의 수소흡수 특성에 미치는 수소화물의 영향

The Effect of Hydride Phase on the Hydrogen Sorption Properties of the Non-Evaporable Ti 0.3 Zr 0.2 V 0.5 Getter Alloy

이동진, 박제신¹, 서창열¹, 이재천¹, 김원백^{1, †}

연세대학교 철강연구소
¹한국지질자원연구원 자원활용소재연구부

Dongjin Lee, Jeshin Park¹, Changyoul Suh¹, Jaechun Lee¹, and Wonbaek Kim^{1, †}

Yonsei University, Seoul 120-749 Korea
¹Korea Institute of Geoscience, Mining and Materials, Daejeon 305-350, Korea

E-mail:

The hydrogen sorption properties of [Math Processing Error] NEC(non-evaporable getter) alloy and its hydrides were evaluated at room temperature. The alloy and hydride powders were prepared by the Hydride-DeHydride(HDH) method. The hydrogen sorption speed of [Math Processing Error] alloy was measured to increase with the amounts of hydride phase in the getter. The hydrogen sorption speeds of [Math Processing Error] were 2.22, 3.14 and 5.08 liter/sec, respectively. The unexpected enhancement of hydrogen sorption speed with the presence of the hydride phase is considered to be due to the pre-saturation of hydrogen trap sites which can retard the diffusion of hydrogen in the alloy.

Keywords:getter;sorption;hydrogen;trap;hydride

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[1] Singh BK, Singh AK, Imam MA, Srivastava ON, Journal of Alloys and Compounds, 354, 315 (2003)

[2] Guo R, Chen LX, Lei YQ, Li SQ, Zeng YW, Wang QD, Journal of Alloys and Compounds, 358, 223 (2003)

[3] Yu XB, Wu A, Xia BJ, Xu NX, Journal of Alloys and Compounds, 372, 272 (2004)

[4] Yuan HJ, An Y, Xu GH, Chen CP, Mater. Chem. Phys., 83(2-3), 340 (2004)

[5] Yu XB, Wu Z, Xu NX, Physica B, 344, 456 (2004)

[6] Chang JK, Shong DNS, Tsai WT, Mater. Chem. Phys., 83(2-3), 361 (2004)

[7] Pan H, Zhu Y, Gao M, Liu Y, Li R, Lei Y, Wang Q, Journal of Alloys and Compounds, 364, 271 (2004)

[8] Yu XB, Wu Z, Xia BJ, Xu NX, Journal of Alloys and Compounds, 375, 221 (2004)

[9] Li R, Wu J, Zhou S, Wang X, Journal of Alloys and Compounds, 363, 292 (2004)

[10] ASTM F111-96, American Society for Testing and Materials, Annual Book of ASTM Standards (1996) (1996)

[11] ASTM F798-97, American Society for Testing and Materials, Annual Book of ASTM Standards (1996) (1996)

[12] Lampert WV, Rachocki KD, Lamartine BC, Hass TW, J. Vac. Sci. Technol., 18(3), 1121 (1981)

[13] Matolin V, Drbohlav J, Masek K, Vacuum, 71, 317 (2003)

[14] Lee DJ, Kim KB, In SR, Lim JY, Kim WB, J. Kor. Vac. Soc., 14(1), 1 (2005)

[15] Lee DJ, Masters Thesis, Yonsei Univ. (2004) (2004)

[16] Juan A, Brizuela G, Irigoyen B, Gesari S, Surface Science, 466, 97 (2000)

[17] Nagumo M, Takai K, Okuda N, J. Alloy. Compd., 293, 310 (1999)

[18] Juan A, Hoffmann R, Surface Science, 421, 1 (1999)

[19] Mori T, Otsuka K, Umehara N, Ishioka K, Kitajima M, Hishita S, Murakami K, Physica B, 308-310, 171 (2001)

[20] Krom AHM, Koers RWJ, Bakker A, J. Mech. Phy. Sol, 47, 971 (1999)

[21] Rivera A, van Veen A, Schut H, de Nijs JMM, Balk P, Solid-State Electron., 46(11), 1775 (2002)

[22] Yen SK, Huang IB, Mater. Chem. Phys., 80(3), 662 (2003)