書誌事項
- タイトル別名
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- Plasma-Sulfnitriding Using Hollow Cathode Discharge.
- ホローカソード ホウデン オ リヨウ シタ Cr-Moコウ ノ プラズマシンリ
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抄録
Cr-Mo steel was plasma-sulfnitrided using hollow cathode discharge between steel and MoS2 plates. The MoS2 plate was parallel to the steel plate at an interval of 3-10mm. Treatment was at 823K for 10.8ks in an atmosphere of 30vol% N2-70vol% H2 mixing gas at 665Pa. Steel was also ion-nitrided without MoS2 under the same conditions to compare plasma sulfnitriding. Plasma-sulfnitrided layers formed on the steel were analyzed using EDX, XRD, micrographic structure observation, and hardness measurement.<br>An iron nitride layer of 4μm and a nitrogen diffusion layer of 400μm were formed on the steel ion-nitrid without MoS2. A compound layer 8-15μm thick and a nitrogen diffusion layer about 400μm thick were formed on plasma-sulfnitrided steel. The compound layer consisted of FeS containing Mo and iron nitrides. ε-Fe2-3N and γ′-Fe4N iron nitrides form beneath the FeS. The compound layer thickness and surface hardness differ with the spacing interval two cathodes in the same sample temperature. Surface hardness in plasma sulfnitriding was distributed from 640 to 830Hv. The hardness of nitrogen diffusion layers was distributed mainly from 600 to 400Hv, gradually decreasing to the base. Surface hardness was higher in plasma sulfnitriding than conventional molten salt sulfnitriding, perhaps due to Mo in the sulfnitriding layer.
収録刊行物
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- 表面技術
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表面技術 49 (7), 781-787, 1998
一般社団法人 表面技術協会
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詳細情報 詳細情報について
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- CRID
- 1390282679092180736
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- NII論文ID
- 10002110032
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- NII書誌ID
- AN1005202X
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- ISSN
- 18843409
- 09151869
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- NDL書誌ID
- 4514782
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- 本文言語コード
- ja
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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