A New Low-Temperature Sintering Method for NiCuZn Ferrite

Abstract:

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Low temperature sintering NiCuZn ferrite was employed at most cases due to its co-firability with Ag (below 960°C). The purpose of this study is to fabricate NiCuZn ferrite sintered body with high-strength and high-frequency magnetic properties. Following is the procedure: firstly, NiCuZn ferrite powder was synthesized under CO2 atmosphere at 500°C from the mixed doxalate synthesized by liquid phase deposition method; then a small amount of boric acid [H3BO3] was added to the powder, and the NiCuZn ferrite powder compact was prepared with Newton press and CIP methods; finally, NiCuZn ferrite sintered body was fabricated by sintering at 900°C under CO2 atmosphere. By this method, NiCuZn ferrite sintered body with 0.5 mass% boric acid was obtained, which was additive with strength 340 MPa, high frequency applied scope below 20MHz and initial permeability 38.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

695-698

DOI:

10.4028/www.scientific.net/KEM.336-338.695

Citation:

P. Bian and D. Y. Ju, "A New Low-Temperature Sintering Method for NiCuZn Ferrite", Key Engineering Materials, Vols. 336-338, pp. 695-698, 2007

Online since:

April 2007

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Price:

$35.00

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