Journal of Materials Science

, Volume 29, Issue 6, pp 1436–1440 | Cite as

Joining of Al-plasma-sprayed Si3N4ceramics

  • W. X. Pan
  • T. Okamoto
  • X. S. Ning


Aluminium was coated on silicon nitride ceramics by a low-pressure plasma spraying method, in order to form a tight bond between aluminium and the ceramics. Aluminium nitride formed as a interfacial reaction product between the aluminium coating layer and the ceramics. Two pieces of the aluminium-coated Si3N4 ceramics were then joined using the aluminium coating layers as filler metal in a vacuum of 1.3×10−3 Pa at 973 K. The average bending strength and Weibull modulus of the joint are 340 MPa and 6.3 respectively, considerably higher than the 230 MPa and 0.9 of a Si3N4 ceramics joint brazed with an aluminum plate under the same condition.


Polymer Aluminium Silicon Nitride Material Processing 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • W. X. Pan
    • 1
  • T. Okamoto
    • 1
  • X. S. Ning
    • 1
  1. 1.Institute of Scientific and Industrial ResearchOsaka UniversityOsakaJapan

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