[Kovove materialy - Metallic materials]
    Mon - November 11, 2024 - 01:02 No. of hits : 1797360 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 48 (2010), Issue 3

Microstructural characterization and phase constituents near the interfaces of TiC-Al2O3/Q235 diffusion bonds
HUANG, W. Q., LI, Y., WANG, J.
vol. 48 (2010), no. 3, pp. 173 - 177
DOI: 10.4149/km_2010_3_173

Abstract
Diffusion bonding of TiC-Al2O3 composite ceramics to Q235 low carbon steel using Ti/Cu/Ti as multi-interlayer has been carried out by liquid diffusion welding technology. The microstructure and phase constituents for TiC-Al2O3/Q235 diffusion bonded joint were studied via scanning electron microscope and X-ray diffraction. The results indicate that various new phases are formed near the interface of TiC-Al2O3/Q235 joint and these are TiO, Ti3Al, Cu2Ti4O, and Cu3Ti3O. The joints were produced with average shear strength of more than 100 MPa. The maximum joint strength was obtained reaching a value of 143 MPa. The fracture reveals brittle cleavage features. The fracture initiated in TiC-Al2O3 near the interface and propagated further towards to the interface.

Key words
TiC-Al2O3/Q235 joint, diffusion bonding, microstructure, phase constituents

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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