書誌事項
- タイトル別名
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- Influence of Phosphorus and Boron on Microstructure and Frictional Wear of Cast Iron Brake Shoe
- チュウテツセイ リンシ ノ ソシキ オヨビ マサツ マモウ ニ オヨボス リンオヨビ ボロン ノ エイキョウ
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抄録
The influences of 0.008 to 0.074 mass % B and 0.21 to 0.79 mass % P on the structure and properties of cast iron brake shoe are examined with an image analyzer and an original braking test machine. The structure of cast iron consists of hard phases, viz. , eutectic cementite and steadite, distributed in a pearlitic matrix. The addition of high density P and B increases the hard phases, which raises the frictional wear resistance against the wheel steel. The wear proceeds by a series of phenomena ; intense deformation of matrix in the surface layer, crackings through the flaky graphite, after which galling occurs. The coarse eutectic cementite crystallizes in B added cast iron, which effectively improves wear resistance. The contact surface is heated above A1 temperature and the. steadite is partially melted or softened, which enhances the braking ability of cast iron. The addition of high concentration P therfore significantly reduces braking distance.
収録刊行物
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- 鋳造工学
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鋳造工学 73 (11), 715-720, 2001
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
- 1390001206507888512
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- NII論文ID
- 10007484565
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- NII書誌ID
- AN10514770
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- ISSN
- 21855374
- 13420429
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- NDL書誌ID
- 5972297
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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