極低温から室温におけるオーステナイト系ステンレス鋼のビッカース硬さ特性
書誌事項
- タイトル別名
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- Vickers Hardness Properties of Austenitic Stainless Steels from Cryogenic Temperatures to Room Temperatures.
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説明
In this study, hardnesses measurements were carried out for austenitic stainless steels (JN1, JN2, SUS304 and SUS316L) from 4K in liquid helium to 293K in room temperature. Hardness increases with a decrease in temperature to around 70K. After peaking, the hardness increases again below 70K. Applying the Arrhenius equation to the hardness properties, two different deformation processes are suggested: slip dislocation at higher temperatures and deformation twinning at lower temperatures. The temperature of the peak hardness changes with loading rate. This temperature change corresponds to the change in the intersection between twin stress and slip stress with the loading rate. As a result, it is clear that a change in the deformation mechanism from slip dislocation to deformation twinning occurs.
収録刊行物
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- 低温工学
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低温工学 32 (10), 507-514, 1997
公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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詳細情報 詳細情報について
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- CRID
- 1390282679591783808
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- NII論文ID
- 130003449351
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- ISSN
- 18800408
- 03892441
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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
- Crossref
- CiNii Articles
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
