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- 기계적 합금화된 TiH2의 수소방출에 따른 미세조직 특성
- 정승, 정현성, 안재평, 박종구
- MicrostructuraL Characteristics During Hydrogen Desorption of Mechanical Milled TiH2
- S. Jung, Hyun-Sung Jung, Jae-Pyoung Ahn, Jong-Ku Park
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Journal of Korean Powder Metallurgy Institute 2006;13(3):199-204
DOI: https://doi.org/10.4150/KPMI.2006.13.3.199
1LG 실트론 기술연구 eproject team
3한국과학기술연구원 특성분석센터
4한국과학기술연구원 나노재료연구센터
1LG Siltron
2Division of Material Science, UCLA
3Advanced Analysis Center, KIST
4Nano-Materials Research Center, KIST
3한국과학기술연구원 특성분석센터
4한국과학기술연구원 나노재료연구센터
1LG Siltron
2Division of Material Science, UCLA
3Advanced Analysis Center, KIST
4Nano-Materials Research Center, KIST
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Abstract
We manufactured the metal hydrides of (Ti_0.88Mg_0.12)H_2 using a very easy and cheap way that Ti-12%Mg blending powder was mechanically milled with liquid milling media such as isopropyl alcohol (C_3H_8O, containing oxygen) and hexane (C_6H_14, no oxygen) as hydrogen source. The (Ti_0.88Mg_0.12)H_2 synthesized in isopropyl alcohol contained the high oxygen of 11.2%, while one in hexane had the low oxygen content of 0.7%. Such a difference of oxygen content affected the dehydriding behavior, phase transformation, and microstructural evolution at high temperature, which was investigated through X-ray diffraction and DSC measurements, and electron microscope observations.
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