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- Radovié Zarko
- Faculty of Metallurgy and Technology, University of Montenegro
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- Lalovié Milisav
- Faculty of Metallurgy and Technology, University of Montenegro
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- Tripkovié Milivoje
- Faculty of Metallurgy and Technology, University of Montenegro
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- Jakié Branislav
- Faculty of Metallurgy and Technology, University of Montenegro
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抄録
It is known that the degree of positive segregations in upper part of ingots is very sensitively dependent upon the enriched liquid velocity. In this paper, relationship between chemical composition of steel and liquid density changes are considered.Besides, the influence of the primary and secondary arm spacing (λ1, λ2) on the liquid flow velocity, i.e. intensity of positive macrosegregations, was studied, using examples from 3-tone ingots, for different grades of steel. The elements as W, Ni, Mo, Cr, decreases the effect of density changes (dρL/dfL), i.e. they have smaller tendency to segregation forming. Global intensity of positive macrosegregations, Sig, which can be calculated by integration of local macrosegregations degree, depends approximately linearly on the liquid flow velocity.
収録刊行物
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- ISIJ International
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ISIJ International 39 (4), 329-334, 1999
一般社団法人 日本鉄鋼協会
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詳細情報 詳細情報について
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- CRID
- 1390282681429566464
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- NII論文ID
- 10002462763
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- NII書誌ID
- AA10680712
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- COI
- 1:CAS:528:DyaK1MXktVeqs7g%3D
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- ISSN
- 13475460
- 09151559
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可