Composite magnetostrictive materials for advanced automotive magnetomechanical sensors

被引:70
作者
McCallum, RW [1 ]
Dennis, KW [1 ]
Jiles, DC [1 ]
Snyder, JE [1 ]
Chen, YH [1 ]
机构
[1] Iowa State Univ, Ames Lab, Ames, IA 50011 USA
关键词
D O I
10.1063/1.1365598
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this paper we present the development of a composite magnetostrictive material for automotive applications. The material is based on cobalt ferrite, CoO . Fe2O3, and contains a small fraction of metallic matrix phase that serves both as a liquid-phase sintering aid during processing and enhances the mechanical properties over those of a simple sintered ferrite ceramic. In addition the metal matrix makes it possible to braze the material, making the assembly of a sensor relatively simple. The material exhibits good sensitivity and should have high corrosion resistance, while at the same time it is low in cost. (C) 2001 American Institute of Physics.
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收藏
页码:266 / 274
页数:9
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