書誌事項
- タイトル別名
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- Effect of Nb and Ti on Resistance to Cold-work Embrittlement of Extra-low-carbon High Strength Cold-rolled Steel Sheet Containing Phosphorus
- りん添加極低炭素高強度冷延鋼板の耐2次加工脆性におよぼすNb,Ti複合添加の効果
- リン テンカ キョクテイ タンソ コウ
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The present work deals with the resistance to deep drawing-induced brittleness. The materials used in this study are 4045 kgf/mm2 grade extra-low-carbon high strength steel sheets containing P and Si as strengthening elements.<BR>Though the resistance to the brittleness is improved by B addition in any steel, it is more remarkable in Nb and Ti containing steel than in Nb or Ti containing one.<BR>The difference of the effects of B between Nb and Ti containing steel and Nb containing one is attributable to the difference of existing state of B. In Nb and Ti containing steel, B exists as solute atom because N is precipitated as TiN, thus acting to inhibit the segregation of P to grain boundaries. Solute B also en0hances the grain boundary strength by itself. On the other hand, solute B content is quite small because a considerable portion of B precipitates as BN in Nb containing steel.<BR>The reason why Nb and Ti containing steel is superior to Ti containing steel in resistance to the brittleness is that a small amount of solute C coexists with B only in the former. Solute C also inhibits the segregation of P to grain boundaries and enhances the grain boundary strength.
収録刊行物
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- 鉄と鋼
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鉄と鋼 73 (8), 1049-1056, 1987
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
- 1390001205183693824
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- NII論文ID
- 110001492077
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- NII書誌ID
- AN00151251
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- ISSN
- 18832954
- 00211575
- http://id.crossref.org/issn/00211575
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- NDL書誌ID
- 3133259
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可