Diffusion bonding of Ti coated Zircaloy-4 and 316-L stainless steel

Diffusion bonding of Zircaloy-4 and Type 316-L stainless steel was carried out by coating the joining surfaces with Ti to minimize the interlayer effect. Bonding heat treatments were carried out in vacuum at 1000 °C for 4 h and 1050 °C for 1 h. The microstructure of the diffusion zone was investigat...

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Veröffentlicht in:	Materials characterization 2009-03, Vol.60 (3), p.193-196
Hauptverfasser:	Akhter, J.I., Ahmad, M., Ali, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-disciplinary physics: materials science rheology DENDRITES DIFFUSION Electron microscopy Exact sciences and technology HARDNESS HEAT TREATMENTS INTERFACES MATERIALS SCIENCE MICROSTRUCTURE Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics SCANNING ELECTRON MICROSCOPY Solidification SPECTROSCOPY STAINLESS STEEL-316L SURFACES TEMPERATURE RANGE 1000-4000 K TITANIUM ZIRCALOY 4
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Beschreibung
Zusammenfassung:	Diffusion bonding of Zircaloy-4 and Type 316-L stainless steel was carried out by coating the joining surfaces with Ti to minimize the interlayer effect. Bonding heat treatments were carried out in vacuum at 1000 °C for 4 h and 1050 °C for 1 h. The microstructure of the diffusion zone was investigated by scanning electron microscopy and the phases in the diffusion zone were analyzed by energy dispersive spectroscopy. It is observed that Ti coating at the interface produced a dendritic structure in the diffusion zone formed in the Zircaloy-4. The concentration of the dendrites increases with an increase in bonding temperature.
ISSN:	1044-5803 1873-4189
DOI:	10.1016/j.matchar.2008.08.009