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Materials technology (New York, N.Y.), 2012-09, Vol.27 (4), p.333-336
2012

Details

Autor(en) / Beteiligte
Titel
Study on macrostructure refinement of 12 wt-%Cr ferritic stainless steel slabs by TiN nucleation
Ist Teil von
  • Materials technology (New York, N.Y.), 2012-09, Vol.27 (4), p.333-336
Ort / Verlag
Taylor & Francis
Erscheinungsjahr
2012
Link zum Volltext
Quelle
Taylor & Francis Journals Auto-Holdings Collection
Beschreibungen/Notizen
  • During the continuous casting of ferritic stainless steel slabs, the low area ratio of the central equiaxed crystal zone and the coarse macrostructure can be a major problem. Heterogeneous nucleation by TiN nucleation was applied to refine the macrostructure of 12%Cr ferritic stainless steel slabs in industrial production. The experimental results indicated that the macrostructure was refined significantly by Ti additions. The central equiaxed crystal zone deviated from the central line of the slab and was very close to the lower side of the slabs. Simultaneously, a secondary columnar crystal transition was observed in the upper regions of slabs. It was concluded that the sedimentation of plentiful free crystals in the upper region of slabs resulted in the deviation of the equiaxed crystal zone from the centreline and the appearance of secondary columnar crystals.
Sprache
Englisch
Identifikatoren
ISSN: 1066-7857
eISSN: 1753-5557
DOI: 10.1179/1066785712Z.00000000081
Titel-ID: cdi_crossref_primary_10_1179_1066785712Z_00000000081

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