書誌事項
- タイトル別名
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- Thermal Expansion and Elastic Properties of Mn-Ge-Fe Alloys
- Mn Ge Fe ゴウキン ノ ネツ ボウチョウ ト ダンセイ トクセイ
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Young’s modulus, thermal expansion and magnetization at 120-700 K and crystal structure at room temperature were investigated for annealed Mn-Ge-Fe alloys with various crystal structures such as β+γ, γ+ε and ε phases. Young’s modulus vs temperature curves of the ternary alloys consisting of β+γ and of γ phase show a reversible change at a heating and cooling rate of about 27.8×10−3 K/s, and have distinct minimum and maximum corresponding to the Néel point of γ phase TN(γ) and β\ ightleftarrowsγ reversible transformation point Tt below about 10 at%Fe, and the alloys containing Fe above the same amount show only TN(γ). The Elinvar characteristics appears around the temperatures which correspond to a minimum or a maximum of Young’s modulus vs temperature curves. However, Young’s modulus of ternary alloys consisting of γ+ε and of ε phases shows minimum point at TN(ε) or TN(γ), and the Elinvar characteristics around these temperatures is weakened rapidly with increasing Fe content.<BR>The composition range with about zero or −20×10−5 of the temperature coefficient of Young’s modulus is relatively narrow and extends to the composition of Fe-70 at%Mn. This composition area has no relation to that of Fe-Mn-Ge ternary alloys reported previously.
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 47 (6), 510-515, 1983
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
- 1390282681461868800
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- NII論文ID
- 130007338512
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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
- 2595786
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- NDL
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