Structure of wetting front in the Ag-Cu-Ti/SiC reactive system

M. Nomura, T. Ichimori, C. Iwamoto, Shunichiro Tanaka

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

The nanostructure around the wetting triple line in the Ag-Cu-Ti/SiC reactive wetting system was studied. The reaction product consisted of an upper separated Ti5Si3 layer more than 20 nm thick, and a lower TiC layer less than 10 nm thick was observed exceeding the front line of Ag-Cu-Ti brazing metal. At the top of the reaction product, the lower TiC layer was observed to project beyond the front line of the upper Ti5Si3 layer. In Ag-Cu-Ti/Si3N4 system, structural change around the wetting triple line as reactive wetting progressed has been reported, however, in the Ag-Cu-Ti/SiC system, the structure around the triple line did not change. The difference between the two systems was explained from the viewpoint of a stable phase change with the decrease of Ti activity as reactive wetting progressed.

Original languageEnglish
Pages (from-to)3953-3958
Number of pages6
JournalJournal of Materials Science
Volume35
Issue number16
DOIs
Publication statusPublished - 2000 Aug 1
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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