Complex precipitation behaviour in a microalloyed plate steel

EDX analysis has been used to detect precipitates containing titanium and niobium, which have been found at reheat temperatures up to 1250 deg C. Elemental mapping has shown that the base cube is titanium nitride, whereas the niobium is mainly situated in caps sitting on the cube or in layers surrou...

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Veröffentlicht in:	Scripta materialia 2001-01, Vol.44 (1), p.147-151
Hauptverfasser:	Poths, R.M, Higginson, R.L, Palmiere, E.J
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical electron microscopy Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Microalloyed steel Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Precipitation Solid-phase precipitation
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Beschreibung
Zusammenfassung:	EDX analysis has been used to detect precipitates containing titanium and niobium, which have been found at reheat temperatures up to 1250 deg C. Elemental mapping has shown that the base cube is titanium nitride, whereas the niobium is mainly situated in caps sitting on the cube or in layers surrounding the cube. The presence of niobium containing precipitates after reheating at these temperatures contradicts the dissolution temperatures calculated using published solubility data.
ISSN:	1359-6462 1872-8456
DOI:	10.1016/S1359-6462(00)00617-5