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Grain boundary segregation of antimony and nickel in iron
Affiliation:1. Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100083, China;2. Beijing Laboratory for Modern Transportation Advanced Metal Materials and Processing Technology, University of Science and Technology Beijing, Beijing 100083, China;1. Department of Mechanical Engineering, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan;2. AIST-Kyushu University Hydrogen Materials Laboratory (HydroMate), National Institute of Advanced Industrial Science and Technology (AIST), 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan;3. Department of Hydrogen Energy Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan;4. Technical Research Promotion Center, Production Division, Kobe Material Testing Laboratory Co., Ltd. (KMTL), 47-13 Niijima, Harima-cho, Kako-gun, Hyogo, 675-0155, Japan;5. Department of Mechanical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan;6. Research Center for Hydrogen Industrial Use and Storage (HYDROGENIUS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan;7. International Institute for Carbon-Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan;1. Material Science & Engineering Research Center, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China;2. Tsinghua University, Key Laboratory of Advanced Material, School of Material Science and Engineering, Beijing 100084, China;1. Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen 518000, China;2. Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China;3. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, China
Abstract:This paper reports a study of grain boundary segregation of antimony and nickel in iron. These results show that nickel additions to the matrix increase antimony segregation. This observation is in agreement with previously reported work. Antimony additions to the matrix or segregation to the grain boundary have no measurable effect on nickel segregation. Decarburization increases segregation of both antimony and nickel.
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