書誌事項
- タイトル別名
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- Hardfacing of Iron Alloys with Niobium Carbide
- ニオブ タンカブツ ニ ヨル テッキ ゴウキン ノ ヒョウメン コウカ ショリ
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A modified coupled-diffusion method using iron intermediate layer has been investigated for the surface modification of steels. The process consists of two stage heat-treatments. On the first stage heat-treatment for the diffusion of carbide forming element, Nb, solute distribution profile showed bending points at the concentrations where intermetallic phases, FeNb and Fe2Nb, were formed. The distribution of carbide volume fraction after carbon diffusion on the second stage heat-treatment was dependent upon the concentration profile of niobium on the first stage heat-treatment. The specimen subjected to the two-stage heat-treatment had a modified surface layer consisting of NbC layer about 15 μm thick on the surface and the carbide volume fraction decreased toward the steel substrate. It was demonstrated that the specimen having such a microstructure showed a promising effect to suppress a crack formation in the carbide layer.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 65 (11), 987-992, 2001
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206491555200
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- NII論文ID
- 10007481302
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 5990206
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可