Phase transformation and the mechanism of combustion synthesis of ZnFe 2O4 ferrite powders

Yao Li; Jiupeng Zhao; Jiuxing Jiang; Jiecai Han

doi:10.1016/S0025-5408(03)00152-1

Phase transformation and the mechanism of combustion synthesis of ZnFe ₂O₄ ferrite powders

Yao Li^*
, Jiupeng Zhao
, Jiuxing Jiang
, Jiecai Han

^*Corresponding author for this work

Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

The reaction mechanism of combustion synthesis of zinc ferrite, which belongs to the complex oxide combustion reaction was investigated using a combustion front quenching method (CFQM). Phase transformation and microstructural evolution of the quenched samples were observed by XRD, SEM, and Mössbauer spectroscopy. The results showed that the combustion proceeded by a dissolution-precipitation mechanism, viz the iron was burned to form Fe₂O₃ in an oxygen atmosphere and melting of the Fe₂O₃ led to the dissolving of the ZnO particles, then ZnFe₂O₄ precipitated out. In addition, a model of the mechanism was drawn.

Original language	English
Pages (from-to)	1393-1399
Number of pages	7
Journal	Materials Research Bulletin
Volume	38
Issue number	8
DOIs	https://doi.org/10.1016/S0025-5408(03)00152-1
State	Published - 14 Jul 2003

Keywords

A. Oxides
C. Mössbauer spectroscopy
C. X-ray diffraction
D. Microstructure
D. Phase transaction

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10.1016/S0025-5408(03)00152-1

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title = "Phase transformation and the mechanism of combustion synthesis of ZnFe 2O4 ferrite powders",

abstract = "The reaction mechanism of combustion synthesis of zinc ferrite, which belongs to the complex oxide combustion reaction was investigated using a combustion front quenching method (CFQM). Phase transformation and microstructural evolution of the quenched samples were observed by XRD, SEM, and M{\"o}ssbauer spectroscopy. The results showed that the combustion proceeded by a dissolution-precipitation mechanism, viz the iron was burned to form Fe2O3 in an oxygen atmosphere and melting of the Fe2O3 led to the dissolving of the ZnO particles, then ZnFe2O4 precipitated out. In addition, a model of the mechanism was drawn.",

keywords = "A. Oxides, C. M{\"o}ssbauer spectroscopy, C. X-ray diffraction, D. Microstructure, D. Phase transaction",

author = "Yao Li and Jiupeng Zhao and Jiuxing Jiang and Jiecai Han",

year = "2003",

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doi = "10.1016/S0025-5408(03)00152-1",

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TY - JOUR

T1 - Phase transformation and the mechanism of combustion synthesis of ZnFe 2O4 ferrite powders

AU - Li, Yao

AU - Zhao, Jiupeng

AU - Jiang, Jiuxing

AU - Han, Jiecai

PY - 2003/7/14

Y1 - 2003/7/14

N2 - The reaction mechanism of combustion synthesis of zinc ferrite, which belongs to the complex oxide combustion reaction was investigated using a combustion front quenching method (CFQM). Phase transformation and microstructural evolution of the quenched samples were observed by XRD, SEM, and Mössbauer spectroscopy. The results showed that the combustion proceeded by a dissolution-precipitation mechanism, viz the iron was burned to form Fe2O3 in an oxygen atmosphere and melting of the Fe2O3 led to the dissolving of the ZnO particles, then ZnFe2O4 precipitated out. In addition, a model of the mechanism was drawn.

AB - The reaction mechanism of combustion synthesis of zinc ferrite, which belongs to the complex oxide combustion reaction was investigated using a combustion front quenching method (CFQM). Phase transformation and microstructural evolution of the quenched samples were observed by XRD, SEM, and Mössbauer spectroscopy. The results showed that the combustion proceeded by a dissolution-precipitation mechanism, viz the iron was burned to form Fe2O3 in an oxygen atmosphere and melting of the Fe2O3 led to the dissolving of the ZnO particles, then ZnFe2O4 precipitated out. In addition, a model of the mechanism was drawn.

KW - A. Oxides

KW - C. Mössbauer spectroscopy

KW - C. X-ray diffraction

KW - D. Microstructure

KW - D. Phase transaction

UR - https://www.scopus.com/pages/publications/0041431003

U2 - 10.1016/S0025-5408(03)00152-1

DO - 10.1016/S0025-5408(03)00152-1

M3 - 文章

AN - SCOPUS:0041431003

SN - 0025-5408

VL - 38

SP - 1393

EP - 1399

JO - Materials Research Bulletin

JF - Materials Research Bulletin

IS - 8

ER -

Phase transformation and the mechanism of combustion synthesis of ZnFe ₂O₄ ferrite powders

Abstract

Keywords

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