A binder phase of TiO based cermets

  • Li Qing-kui Email author
  • Guan Shao-kang 
  • Zhonh Hui 
  • Li Jiang 
  • Zhong Hai-yun 


A binder phase of TiO based cermets, a kind of imitated gold materials, was developed by adding active element Si to Fe-Cr alloy, and the related mechanisms were studied. The wettability, matching in thermodynamics and interfacial strength were investigated by the high temperature sessile drop method and element area scanning. The linear expansion coefficients of the materials were measured using TAH100 thermal analyzer. The results show that the wettability of Fe-Cr alloy on TiO are small, with a wetting angle about 90°. After adding some Si in Fe-Cr alloy, its wetting angle can be decreased to about 25°, the interfacial reactions can be prevented effectively and high interface binding can be formed. Fe-25%Cr-1.5%Si matches the thermal expansion coefficient of TiO, so it is a kind of relatively perfect binder for TiO based cermets imitated gold.

Key words

binder phase TiO Fe-Cr alloy imitated gold cermets 

CLC number



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Copyright information

© Central South University 2005

Authors and Affiliations

  • Li Qing-kui 
    • 1
    Email author
  • Guan Shao-kang 
    • 1
  • Zhonh Hui 
    • 2
  • Li Jiang 
    • 2
  • Zhong Hai-yun 
    • 2
  1. 1.College of Materials EngineeringZhengzhou UniversityZhengzhouChina
  2. 2.School of Metallurgical Science and EngineeringCentral South UniversityChangshaChina

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