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The effect of Nb addition on the thermal property, microstructure and magnetic property of FeCoZrB alloys

W. Q. YU1, Y. M. SUN1, Y. D. LIU1, J. LIU1, B. ZUO1, L. H. LIU1, L. R. DONG2, Z. HUA2,*

Affiliation

  1. Key Laboratory of Functional Materials Physics and Chemistry of the M inistry of Education, Jilin Normal University, Siping 136000, Jilin , P. China
  2. Key Laboratory of Functional Materials Physics and Chemistry of the M inistry of Education, Jilin Normal University, Siping 136000, Jilin, P. China

Abstract

The thermal property, microstructure and magnetic property of F e 81 x Co x Zr 9 y Nb y B 10 (x=2, 4, 6; y=0, 2) alloys were ininvestigated by differential thermal analysis (DTA) X ray diffraction (XRD) and vibrating sample magnetometer (VSM). Nb addition increases the first crystallization peak temperature. The α Fe(Co) and α Mn type phases are detected in the Nb-free alloys annealed at 600 oC. Only α Fe(Co) phase is detected in the Nb-containing alloys annealed at 600 o C. Nb addition changes the crystallization processes. AAbruptly deteriorations of coercivity ( Hc ) in the Nb-free alloys at 600 oC are observed and not found in the Nb-containing alloys Nb addition improves Hc..

Keywords

Microstructure, Thermal analysis, Magnetic.

Citation

W. Q. YU, Y. M. SUN, Y. D. LIU, J. LIU, B. ZUO, L. H. LIU, L. R. DONG, Z. HUA, The effect of Nb addition on the thermal property, microstructure and magnetic property of FeCoZrB alloys, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.145-148 (2012).

Submitted at: Dec. 31, 2011

Accepted at: Feb. 20, 2012