Effect of Interlayer Thickness on Strength and Fracture of Si3N4 and Inconel600 Joint

Abstract:

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In this study, Si3N4 was bonded to Inconel600 with Nb/Cu/Ni interlayer by partial liquid phase diffusion bonding method under vacuum condition. The bonding temperature, bonding time, bonding pressure and cooling velocity was 1403K, 50min, 7.5MPa and 5K/min, respectively. The effects of interlayer thickness on the strength and fracture behaviors of joint were investigated through evaluating the strength of joints based on shear test and observing the fracture morphology by means of SEM. The results showed that the shear strength of joint changed with variation of the interlayer thickness. When the shear strength of joint increased, the location of fracture was changed from the ceramic/interlay interface to the reaction layer.

Info:

Periodical:

Key Engineering Materials (Volumes 297-300)

Edited by:

Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim

Pages:

2435-2440

DOI:

10.4028/www.scientific.net/KEM.297-300.2435

Citation:

M. Yang et al., "Effect of Interlayer Thickness on Strength and Fracture of Si3N4 and Inconel600 Joint", Key Engineering Materials, Vols. 297-300, pp. 2435-2440, 2005

Online since:

November 2005

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Price:

$35.00

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