Manufacture of Raney Ni catalyst with metastable Ni_2Al_3 by high energy milling

Manufacture of Raney Ni catalyst with metastable Ni_2Al_3 by high energy milling

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摘要 The Ni Al alloy containing Cr, Fe additives were prepared as Raney Ni catalyst by high energy milling. The size and surface state of Ni Al alloy powder were studied by particle size analyzer and sanning electron microscopy, the structure was analyzed by XRD and Mssbauer methods. The results showed that after a high energy milling (HEM), the Ni Al alloy transforms to a nano scale NiAl structure with rich Al. By annealing the alloy, a metastable Ni 2Al 3 phase can be obtained. The Ni Al alloy containing Cr, Fe additives were prepared as Raney Ni catalyst by high energy milling. The size and surface state of Ni Al alloy powder were studied by particle size analyzer and sanning electron microscopy, the structure was analyzed by XRD and Mssbauer methods. The results showed that after a high energy milling (HEM), the Ni Al alloy transforms to a nano scale NiAl structure with rich Al. By annealing the alloy, a metastable Ni 2Al 3 phase can be obtained.

作者 Teng Ronghou(滕荣厚) 1, Sun Shijie(孙世杰) 1, Liu Silin(刘思林) 1, Liu Xuequan(柳学全) 1, Ma Ruzhang(马如璋) 2,Liu Tao(刘涛) 3 1. Functional Materials Institute, Central Iron & Steel Research Institute, Beijing 100081, P.R.China 2. Depar

出处《中国有色金属学会会刊：英文版》 CSCD 1999年第3期562-565,共4页 Transactions of Nonferrous Metals Society of China

关键词 RANEY nickel CATALYST nano crystal HIGH ENERGY MILLING Raney nickel catalyst nano crystal high energy milling

分类号 TQ426.8 [化学工程]

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中国有色金属学会会刊：英文版

1999年第3期

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Manufacture of Raney Ni catalyst with metastable Ni_2Al_3 by high energy milling

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