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Synthesis and magnetic properties of polymer derived metal/SiCN ceramic composites

Xuehua, Yan and Xiaonong, Cheng and Guangcai, Han and Hauser, R. and Riedel, R. (2007):
Synthesis and magnetic properties of polymer derived metal/SiCN ceramic composites.
In: Key Engineering Materials, 353-358, pp. 1485-1488. Trans Tech Publications Ltd., Switzerland, ISSN 1013-9826,
[Article]

Abstract

Metal particles were embedded in a silicon carbonitride (SiCN) matrix, derived from the commercially available polysilazane Ceraset reg. Metal powders, such as Fe, Mn, Co, Ni, were mixed and milled with pre-cross-linked polysilazane and subsequent pyrolysis. The metals act as active fillers to increase the density of composite. The phases and microstructures of metal/ceramic composites were studied using XRD, SEM and EDS. The magnetic property was measured with Magnetic Property Measurement System at -196degC and 27degC. The results show that there were two main domains in composites, one was metal-rich domain and another was metal-poor domain. The reaction compound between metal and matrix had great effect on the magnetic properties of composites, filled with different metals.

Item Type: Article
Erschienen: 2007
Creators: Xuehua, Yan and Xiaonong, Cheng and Guangcai, Han and Hauser, R. and Riedel, R.
Title: Synthesis and magnetic properties of polymer derived metal/SiCN ceramic composites
Language: English
Abstract:

Metal particles were embedded in a silicon carbonitride (SiCN) matrix, derived from the commercially available polysilazane Ceraset reg. Metal powders, such as Fe, Mn, Co, Ni, were mixed and milled with pre-cross-linked polysilazane and subsequent pyrolysis. The metals act as active fillers to increase the density of composite. The phases and microstructures of metal/ceramic composites were studied using XRD, SEM and EDS. The magnetic property was measured with Magnetic Property Measurement System at -196degC and 27degC. The results show that there were two main domains in composites, one was metal-rich domain and another was metal-poor domain. The reaction compound between metal and matrix had great effect on the magnetic properties of composites, filled with different metals.

Journal or Publication Title: Key Engineering Materials
Journal volume: 353-358
Publisher: Trans Tech Publications Ltd., Switzerland
Uncontrolled Keywords: ceramics, filler metals, magnetic particles, particle reinforced composites, silicon compounds
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Dispersive Solids
Date Deposited: 19 Apr 2012 08:51
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