화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2019년 봄 (04/24 ~ 04/26, 제주국제컨벤션센터)
권호 25권 1호, p.472
발표분야 에너지 환경(Energy and Environment)
제목 Low Temperature Synthesis of Micro-sized NixAly Alloy Powders for Applications of Catalysis
초록 Micro-sized NixAly alloy powders were synthesized through a low-temperature chemical alloying method using mixtures of Ni and Al powders as well as AlCl3 as an activator in a quartz batch reactor at temperatures of 400 to 500 °C without sintering. Five Ni-Al alloy powders, Ni3Al (Ni-13.3wt%Al), Ni5Al3 (Ni-21.6wt%Al), NiAl (Ni-31.5wt%Al), Ni2Al3 (Ni-40.8wt%Al), and NiAl3 (Ni-58wt%Al), all thermodynamically stable at the aforementioned temperature range, were synthesized without significant changes in morphology, compared to the starting Ni powder. These as-synthesized NixAly alloys were characterized using different analytical techniques including particle size analyzer, X-ray diffraction and field emission scanning electron microscopy in conjunction with energy dispersive X-ray spectroscopy to confirm the formation of single phase NixAly alloys powder. These as-synthesized NixAly alloy powders will be promising template materials to manufacture nickel skeletal catalysts with high surface area for different chemical reactions.
저자 이유진1, 김용민1, 차준영1, 김영천1, 장성철1, 조영석1, 정향수1, 손현태1, 윤창원1, 김광범2, 남석우1
소속 1한국과학기술(연), 2연세대
키워드 에너지 환경
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