Atom Probe Tomography Study of Fe Segregation at Phase Interface in Zr-2.5Nb Alloy

被引：5
|
作者：
Liang, Xue [1 ,2 ]
Li, Qiang [1 ,2 ]
Huang, Jiao [3 ]
Yao, Mei-Yi [1 ,2 ]
Li, Hui [1 ,2 ]
Liu, Qing-Dong [4 ]
机构：
[1] Shanghai Univ, Inst Mat, Shanghai 200072, Peoples R China
[2] Shanghai Univ, Lab Microstruct, Shanghai 200444, Peoples R China
[3] Inner Mongolia Univ Technol, Sch Mat Sci & Engn, Hohhot 010051, Peoples R China
[4] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
来源：
ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2019年 / 32卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Zr-Nb alloy; beta-Nb phase; Phase interface; Segregation; Atom probe tomography; CORROSION BEHAVIOR; NB-CONCENTRATION; OXIDE; MATRIX; OXIDATION; CHEMISTRY;
D O I：
10.1007/s40195-019-00927-x
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
beta-Nb is a typical second phase in Zr-Nb-based alloys used as fuel claddings in water-cooled nuclear reactors. The segregation of alloying element Fe may affect the corrosion resistance of Zr-Nb-based alloys. In this work, the Fe segregation at the interface between beta-Nb phase and alpha-Zr matrix in Zr-2.5Nb alloy was studied using atom probe tomography and focused ion beam. The results suggested that the Fe concentration was much lower than Nb concentration in alpha-Zr matrix, while Fe selectively segregated at the beta-Nb/alpha-Zr phase interface, leading to a Fe concentration peak at some interfaces. The peak Fe concentration varied from 0.4 to 1.2 at.% and appeared at the position where Zr concentration was approximately equal to Nb concentration. The selective segregation of Fe should be affected by the heat treatment and structure defects induced by cold rolling.
引用
收藏
页码：1281 / 1286
页数：6
相关论文
共 50 条
  • [1] Atom Probe Tomography Study of Fe Segregation at Phase Interface in Zr–2.5Nb Alloy
    Xue Liang
    Qiang Li
    Jiao Huang
    Mei-Yi Yao
    Hui Li
    Qing-Dong Liu
    Acta Metallurgica Sinica(English Letters), 2019, 32 (10) : 1281 - 1286
  • [2] Atom Probe Tomography Study of Fe Segregation at Phase Interface in Zr–2.5Nb Alloy
    Xue Liang
    Qiang Li
    Jiao Huang
    Mei-Yi Yao
    Hui Li
    Qing-Dong Liu
    Acta Metallurgica Sinica (English Letters), 2019, 32 : 1281 - 1286
  • [3] OXIDATION BEHAVIOR OF THE β-Nb PHASE PRECIPITATED IN Zr-2.5Nb ALLOY
    Li Qiang
    Liang Xue
    Peng Jianchao
    Liu Renduo
    Yu Kang
    Zhou Bangxin
    ACTA METALLURGICA SINICA, 2011, 47 (07) : 893 - 898
  • [4] Study of the impact of hydrides on the fracture toughness of Zr-2.5Nb alloy
    Janulionis, Remigijus
    Dundulis, Gintautas
    NUCLEAR ENGINEERING AND DESIGN, 2024, 416
  • [5] Microsegregation of oxygen in Zr-2.5Nb alloy materials
    Whiteshell Lab, Pinawa, Canada
    Metall Mat Trans A Phys Metall Mat Sci, 2 (431-440):
  • [6] Modelling of the Zr-2.5Nb alloy properties with hydrides
    Dundulis, G.
    Karalevcius, R.
    Janulionis, R.
    Grybenas, A.
    MECHANIKA, 2007, (02): : 23 - 26
  • [7] Microsegregation of oxygen in Zr-2.5Nb alloy materials
    Choubey, R
    Jackman, JA
    METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1996, 27 (02): : 431 - 440
  • [8] Mechanism of deuterium pickup in Zr-2.5Nb alloy
    Ploc, RA
    MATERIALS AT HIGH TEMPERATURES, 2000, 17 (01) : 29 - 34
  • [9] Modelling of the Zr-2.5Nb alloy properties with hydrides
    Lithuanian Energy Institute, 3 Breslaujos str., 44403 Kaunas, Lithuania
    不详
    Mechanika, 2007, 2 (23-26):
  • [10] Microstructural investigation of the oxide scale on Zr-2.5Nb and its interface with the alloy substrate
    Benezra, V
    Mangin, S
    Treska, M
    Spector, M
    Hunter, G
    Hobbs, LW
    BIOMEDICAL MATERIALS-DRUG DELIVERY, IMPLANTS AND TISSUE ENGINEERING, 1999, 550 : 337 - 342
12345