Young's Modulus, Shear Modulus and Compressibility of Fe-Ni(fcc) Alloys
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概要
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The flexural and torsional resonance frequencies were measured by electrostatic driving method in vacuum at a magnetic field of H=1200 Oe for the same specimens of Fe-Ni(fcc) alloys. The results obtained are as follows : (1) Young's modulus, shear modulus and compressibility in a paramagnetic state E_p, G_p and κ_p, were separated from the experimental values in a ferromagnetic state, respectively. E_p G_p and κ_p show anomalies. The former two show a maximum and the latter a minimum in the Invar region, which may suggest that there exists an anomaly in the interatomic binding force in the Invar alloys. (2) In the Invar region, the temperature coefficient of Young's modulus (dE/dT)/E, becomes highest and the thermal expansion coefficient lowest. (3) The Elinvar property (that is, dE/dT)/E=0) appears at 44% Ni.
- 東北大学の論文
著者
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Tanji Yasunori
The Research Institute For Iron Steel And Other Metals
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Moriya Hiroshi
The Research Institute For Iron Steel And Other Metals
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SHIRAKAWA Yuki
The Research Institute for Iron, Steel and Other Metals
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Shirakawa Yuki
Sendai Precision Material Laboratory Ltd.
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Shirakawa Yuki
The Research Institute For Iron Steel And Other Metals
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TANJI Yasunori
The Research Institute for Iron, Steel and Other Metals
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