書誌事項
- タイトル別名
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- Influence of P and B on Hard Phase Characteristics in Flake Graphite Cast Iron
- ヘンジョウ コクエン チュウテツ ノ コウシツソウ ケイセイ ニ オヨボス リン ホウソ ノ エイキョウ
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Cast irons with hard phases such as steadite and cementite have been widely used for cylinder-liners of marine engines. The hard phases are formed due to the addition of P or B, and their morphology strongly influences, sliding properties (scuffing resistance, wear resistance, etc.), machinability and mechanical properties. In order to understand metallurgical features, the effects of small amounts of P and B on the formation of the hard phases were discussed using cast iron with 3.3%massC, 1.3%massSi, 0.8%massMn, 0.05%massS, and 1.4%massCu. Microstructural observation, SEM/EDS or SEM/WDS quantitative analysis, and volume fraction measurement of hard phases were performed. From the experimental results it was found that P leads to the crystallization of steadite, while B leads to that of cementite. This work also discussed the morphology of each hard phase and the mutual dependence of P and B when cast iron contained both elements. As for the volume of the hard phases, the establishment of a quantification method is also desirable from an industrial point of view. The relationship between the volume fraction of the hard phases and P and B contents was investigated, and it was clarified that the volume fraction of steadite and cementite increases with an increase in the P and B contents respectively. The feasibility to predict the volume fraction of these phases as a function of the P and B contents was also evaluated using Shceil's equation.
収録刊行物
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- 鋳造工学
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鋳造工学 77 (7), 459-466, 2005
公益社団法人 日本鋳造工学会
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詳細情報 詳細情報について
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- CRID
- 1390001206507618048
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- NII論文ID
- 10016590128
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- NII書誌ID
- AN10514770
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- ISSN
- 21855374
- 13420429
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- NDL書誌ID
- 7422969
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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
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可