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Metallic Materials Vol. 48 (2010), no. 4, pp. 271 - 275

Title: Interface characteristics of Al2O3-TiC/Cr18-Ni8 diffusion-bonded joint using a Ti/Cu/Ti multi-interlayer (LETTER TO THE EDITOR)
Author: HUANG, W. Q, LI, Y., WANG, J., JIANG, Q.

Abstract: Diffusion bonding Al2O3-TiC ceramic matrix composites with Cr18-Ni8 austenitic stainless steel has been performed with a Ti/Cu/Ti multi-interlayer. The Al2O3-TiC/Cr18-Ni8 joints were characterized by means of scanning electron microscope (SEM) with energy-disperse spectrometry (EDS), electron probe microanalysis (EPMA) and X-ray diffraction (XRD). The results indicate that the Al2O3-TiC/Cr18-Ni8 diffusion-bonded joint with shear strength of 106 MPa was obtained by using the Ti/Cu/Ti multi-interlayer. An interfacial transition zone was formed by diffusion reaction between Ti, Cu and the elements from the substrates, Al2O3-TiC and Cr18-Ni8. TiO, TiC, α-Cu, CuTi, FeTi and Cr2Ti are produced near the interface of the Al2O3-TiC/Cr18-Ni8 joint.

Keywords: diffusion bonding, Al2O3-TiC ceramic matrix composites, Ti/Cu/Ti multi-interlayer, microstructure, XRD
Year: 2010, Volume: 48, Issue: 4 Page From: 271, Page To: 275

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