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Near net shape casting : is it possible to cast too thin?
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Slater, Carl and Davis, Claire (2020) Near net shape casting : is it possible to cast too thin? Metallurgical and Materials Transactions B . doi:10.1007/s11663-020-01964-z ISSN 1073-5615.
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WRAP-near-net-shape-casting-possible-cast too thin-Davis-2020.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (1582Kb) | Preview |
Official URL: http://dx.doi.org/10.1007/s11663-020-01964-z
Abstract
With increased efforts across the steel industry to produce steel in more economical ways, interest in near net shape casting has increased. Although much has been reported on the production of exotic alloys via these methods, to make the investment in new casting equipment, capability to produce current high value steels by these methods would derisk the capital expenditure. This study assesses the production of a dual phase steel (DP800) by belt casting and compared to that of conventional continuous casting. Although a drop in yield and tensile strength was seen in the belt cast-produced material, the increased elongation allowed for a comparable/improved UTS × elongation factor. A combination of in situ dendrite measurements, thermal modeling, and lab-scale belt casting has allowed insight into the relationship between cast thickness and final band spacing. The inherent lack of deformation of near net shape casting results in coarser band spacing and is not accounted for by the refinement of the secondary arm spacing caused by the faster solidification rates. This limits the strength achievable for a given martensite volume fraction. This has been predicted across the full range of casting thicknesses (1 to 230 mm) and good agreement has been shown with experimental results.
Item Type: | Journal Article | ||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy T Technology > TS Manufactures |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Steel castings , Near net shape (Metalwork) , Steel, High strength | ||||||
Journal or Publication Title: | Metallurgical and Materials Transactions B | ||||||
Publisher: | Springer New York LLC | ||||||
ISSN: | 1073-5615 | ||||||
Official Date: | 28 September 2020 | ||||||
Dates: |
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DOI: | 10.1007/s11663-020-01964-z | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 21 October 2020 | ||||||
Date of first compliant Open Access: | 22 October 2020 |
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