Aluminium nitride precipitation and grain structure of continuously cast billet corners

Walker, K. D.; Marshall, R. I.

doi:10.1179/mst.1990.6.9.867

Cited by 4 publications

(1 citation statement)

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“…The reason why L c for alloy 2 is consistently smaller than that for alloy 1 is not clear, but it is speculated that the reduction is associated with its higher aluminium concentration which via the formation of aluminium nitride, acts to refine the grain size. [39][40][41][42] The dilatometric measurements following austenitisation at 1000uC in combination with microscopy were used to measure the CCT diagrams illustrated in Fig. 4.…”

Section: Continuous Cooling Transformation Diagramsmentioning

confidence: 99%

Air cooled bainitic steels for strong, seamless pipes Part 1 – alloy design, kinetics and microstructure

Gomez

Pérez

Bhadeshia

2009

Materials Science and Technology

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Seamless pipes are usually quenched and tempered after manufacture in order to obtain the desired properties. The possibility of avoiding this heat treatment is explored here, by designing steels which transform into an carbide free bainitic microstructure during cooling from the hot processing phase of the pipe. The cooling conditions studied are appropriate for the manufacturing process and care has been taken to ensure that the correct microstructure is generated for the range of cooling rates experienced in industrial practice. The alloy design has been validated by kinetic and microstructural studies.

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Section: Continuous Cooling Transformation Diagramsmentioning

confidence: 99%