Interfacial microstructure of Si3N4/Si3N4 joint brazed using Au–Ni–V filler alloy
作者： J. Zhang , Y. Sun , C. F. Liu , H. W. Zhang
DOI: 10.1007/S10853-009-4132-1
关键词:
摘要: By using Au58.74Ni36.50V4.76 at.% filler alloy, a reliable Si3N4/Si3N4 joint was brazed at 1,423 K for 60 min in vacuum. The microstructure of the investigated and analyzed by scanning electron microscope with energy dispersive spectroscopy, transmission microscopy, X-ray diffraction. results indicate that consists three main phases: continuous VN reaction layer between alloy Si3N4 ceramic; an Au[Ni] solid solution as matrix joint; Ni[Si,V] particles distributed homogeneously solution. mechanism formation interfacial structure is discussed.
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