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Joining of Zirconia Ceramic to Stainless Steel and to Itself Using Ag 57 Cu 38 Ti 5 Filler Metal
Author(s) -
Hao Hongqi,
Wang Yonglan,
Jin Zhihao,
Wang Xiaotian
Publication year - 1995
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1995.tb08629.x
Subject(s) - brazing , materials science , ceramic , shear strength (soil) , joint (building) , composite material , cubic zirconia , copper , layer (electronics) , filler metal , metallurgy , metal , filler (materials) , alloy , welding , architectural engineering , environmental science , arc welding , soil science , engineering , soil water
The brazing of ZrO 2 ceramic to 1Cr18Ni9Ti stainless steel and to itself was performed using Ag 57 Cu 38 Ti 5 filler metal under a vacuum of 7 × 10 ‐3 Pa. The effects of interlayer copper on the ceramic to stainless steel joint strength, and the brazing temperature (1073 to 1323 K) and holding time (0 to 60 min) on ceramic to ceramic joint strength were investigated. The joint strength was evaluated by shear testing. An interfacial reaction layer between the ceramic and the filler metal was found, and the reaction products were δ‐TiO and γ‐AgTi 3 . The joint strength of ZrO 2 ceramic to stainless steel was improved by using a layer of copper of a suitable thickness. The brazing temperature and holding time had a strong influence on the joint strength of ceramic to ceramic, and the joint strength was mainly controlled by reaction layer thickness and the properties of the reaction products. The maximum shear strength was obtained for brazing at 1123 K for 30 min and an interfacial reaction layer thickness of ∼4.4 μm.