書誌事項
- タイトル別名
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- Isothermal Martensitic Transformation in Fe-Ni-Cr Alloy
- Fe-Ni-Cr ゴウキン ノ コウオン マルテンサイト ヘンタイ ニ ツイテ
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The spontaneous martensitic transformations were investigated using the Fe-base alloy containing 17%Cr and 81%Ni. The isothermal martensitic transformations occurred during holding at above Msγ→α′ temperature and gave a T.T.T. diagram in which there is a nose at about −100° and −135°C, respectively. X-ray diffraction measurement showed that h.c.p.structure (ε) is formed at the upper nose. The driving force (ΔFγ→ε) of transformation in this alloy was 22 cal/mol. This value was derived from an assumption in which the transformation occurs owing to a very low stacking fault energy. Furthermore, from this assumption, it was suggested that γ→ε transformation occurs at above 7.2%Ni content. This suggestion agreed closely with practical data. The b.c.c. martensite (α′) grew during further holding within the temperature range of the upper nose. The habit plane of this α′ was (111)γ. On the other hand, the habit plane of the α′ formed isothermally within the temperature range of the lower nose and athermally at a temperature below Msγ→α′ was (225)γ.
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 27 (10), 513-518, 1963
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
- 1390282681458610432
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- NII論文ID
- 130007333588
- 40018258184
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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
- 9153624
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- データソース種別
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- JaLC
- NDL
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