Journal ArticleDOI
Joining of zirconia using zirconium-based alloys
Nobuya Iwamoto,Hajime Yokoo +1 more
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TLDR
In this paper, the contact angles of Zr-Ni, ZrCu and ZrCo alloys against PSZ were measured by the sessile drop method, and the fracture shear strength of this joint was 55 MPa.Abstract:
The contact angles of Zr-Ni, Zr-Cu and Zr-Co alloys against PSZ were measured by the sessile drop method. Each alloy wetted PSZ very well. Zr-Co alloys showed a different behaviour. Joints of PSZ plates were obtained using Zr-17Ni alloy. At the joint interface, internal oxidation of zirconium occurred. The fracture shear strength of this joint was 55 MPa.read more
Citations
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Journal ArticleDOI
Adhesion at metal–ZrO2 interfaces
TL;DR: In this paper, a review of metal-zirconia interfaces is presented, focusing on microscopic experimental results and ab initio atomistic calculations of diverse metal and ZrO2 systems.
Journal ArticleDOI
Wetting of ceramic materials by liquid silicon, aluminium and metallic melts containing titanium and other reactive elements: A review
TL;DR: In this paper, a special effort is made to analyse the Ti-induced wetting of ceramics in terms of the chemical reactivity and interface microchemistry. And the importance of interactions between the interfacially active element (Ti) and other alloying elements in the metallic melts is elucidated with numerous experimental results.
Journal ArticleDOI
Bonding of zirconia to super alloy with the active brazing technique
TL;DR: In this paper, a Ni-based superalloy was bonded to a zirconia stabilized with yttria by active brazing, and the microstructure of the bonded couples is related to the chemical reactions occurring during the brazings cycles, to the properties of the specific compounds formed and to the interdiffusion phenomena occurring across the interfaces.
Journal ArticleDOI
Fabrication and thermal properties of a YSZ-NiCr joint with an interlayer of YSZ-NiCr functionally graded material
TL;DR: In this paper, the thermal properties of this YSZ-FGM-NiCr joint were studied by thermal cycling testing and shear testing and they showed good thermal stability and good oxidation resistance up to 1000°C.
Journal ArticleDOI
Liquid metal/ceramic interactions in the (Cu, Ag, Au)/ZrB2 systems
TL;DR: In this paper, a sessile drop technique was used to study the wetting and spreading characteristics of ZrB2 in contact with liquid Cu, Ag, and Au under a vacuum.
References
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Journal ArticleDOI
Cermets: I, Fundamental Concepts Related to Micro‐structure and Physical Properties of Cermet Systems
TL;DR: In this paper, the microstructure of tungsten carbide and titanium carbide base cermets has been evaluated on the basis of wettability of the carbide phase.
Journal ArticleDOI
Wettability of some metals against zirconia ceramics
M. Ueki,M. Naka,Ikuo Okamoto +2 more
TL;DR: In this paper, the authors measured the contact angle between the peripheral surface of a small sessile drop of molten metal and the horizontal surface of the ceramics substrate as shown in Fig. 1.
Journal ArticleDOI
A curve-fitting method for calculating interfacial tension from the shape of a sessile drop
James N. Butler,Burton H. Bloom +1 more
TL;DR: In this paper, a method is described for determining the absolute value of interfacial tension by fitting experimental measurements of the shape of a sessile drop to the theoretical curve for the drop shape.
Journal ArticleDOI
Bonding of partially-stabilized zirconia and nickel with nickel oxide layer
TL;DR: In this article, the authors investigated the bonding of partially-stabilized zirconia (PSZ) and nickel with a nickel oxide layer and obtained the maximum shear strength (about 90 MPa) in the couple bonded at 1173 K for 900 sec under pressure above 18 MPa.
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