Manufacture of Raney Ni catalyst with metastable Ni2Al3 by high—energy milling

• 作者: 滕荣厚 马如璋
• 来源期刊: 同步辐射装置用户科技论文集
• 学科: 化学
• 关键词: 催化剂 催化剂镍 纳米晶体
• 年，卷（期）: 1999,（1）
• 页码范围: 166-167
• 页数: 2页
• 分类号: O643.36

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 Moessbauer 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 Ni2Al3 phase can be obtained.