Joining of zirconia ceramic to stainless steel and to itself using Ag{sub 57}Cu{sub 38}Ti{sub 5} filler metal
- Xi`an Jiaotong Univ. (China). Dept. of Materials Science and Engineering
The brazing of ZrO{sub 2} ceramic to 1Cr18Ni9Ti stainless steel and to itself was performed using Ag{sub 57}Cu{sub 38}Ti{sub 5} filler metal under a vacuum of t {times} 10{sup {minus}3} Pa. The effects o9f interlayer copper on the ceramic to stainless steel joint strength, and the brazing temperature (1,073 to 1,323 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 {delta}-TiO and {gamma}-AgTi{sub 3}. The joint strength of ZrO{sub 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 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 1,123 K for 30 min and an interfacial reaction layer thickness of {approximately}4.4 {micro}m.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 106010
- Journal Information:
- Journal of the American Ceramic Society, Vol. 78, Issue 8; Other Information: PBD: Aug 1995
- Country of Publication:
- United States
- Language:
- English
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