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The improvement of interconnection technology is becoming a top priority for the operation of high power devices such as SiC at higher temperatures. We proposed a interconnection method using Nickel Nano-particles direct bonding to form bonds between the chip electrodes and substrates. SiC devices assembled with the Ni bonding interconnection were confirmed to be operated successfully in a high temperature...
The mechanical properties of nanoparticles (either Mo-Ni or SiC) reinforced Mo-Ni brazes were studied by microindentation. It was noticed that: (i) for MoNi near-eutectic fillers doped with 3% and composed of 100% Mo-Ni nanoparticles the non-eutectic phase features consistently a larger hardness than the eutectic phase. Fillers with various additions of Mo-Ni nanoparticles respond differently to the...
This paper offers an insight into a comprehensive study of liquid nano-composite braze filler spreading during bonding of porous tungsten to molybdenum. The considered application involves structural elements of a dispenser cathode. A new formulation of Mo-Ni filler doped with SiC nano-particles has been analyzed. The study involves a high temperature brazing in controlled atmosphere (N2+H2). The...
Ni-Fe-SiC alloy is a promising material in the fabrication of micro actuator. Electrolytic codeposition technique was adopted in the deposition of Ni-Fe-SiC composite coating on stainless steel substrate, using nickel alloyed with iron as the binder phase and SiC as dispersed particles. The morphology analysis indicated that the deposit with SiC nanoparticles is level and compact and the crystal-planes...
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