Effect of a Plastic Deformation by Upsetting on Properties of Invar Fe—35%Ni—0,49%Mn Alloy

Надутов, В. М.; Ващук, Д. Л.; Zaporozhets, O. I.; Давиденко, А. А.; Svystunov, Ye. O.; Markovskii, Ye. V.

doi:10.15407/mfint.37.08.1125

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“…The maximum of the p(H) function as the most probable magnetic field H shifts toward values of 28.8 T and the maximum value of H′ estimated as the first derivative of the p(H) right slope increases from 30.1 to 30.8 T, Fig. b, d. The effect of upsetting on the magnetic properties and hyperfine parameters for the deformed Invar Fe‐30.9 % Ni‐1.23 % C alloy is opposite to the result concerning plastic deformation of the standard Invar Fe‐35 % Ni‐0.49 % Mn alloy .…”

Section: Resultsmentioning

confidence: 80%

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Properties of Invar alloy Fe‐30.9 % Ni‐1.23 % C after dispersion of structure by upsetting

Надутов

Ващук

Davidenko

et al. 2016

Materialwissenschaft Werkst

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The effect of cold plastic deformation by upsetting of the carbon-containing Invar Fe-30.9 % Ni-1.23 % C alloy on structure, magnetic and elastic properties was studied by means of X-ray diffraction and Mössbauer analysis, magnetic and ultrasonic methods. The crystal lattice distortion and additional dissolution of graphite in austenite increase magnetization, hyperfine magnetic fields at iron nuclei, the Curie temperature essentially smearing this phase transition. These changes are caused by weakened interatomic bond in the Invar alloy detected in decreased elastic moduli and the Debye temperature.

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Section: Resultsmentioning

confidence: 80%

“…5b, d. The effect of upsetting on the magnetic properties and hyperfine para- [20]. This distinction is associated with the effect of carbon which increases locally distortion of crystal lattice and deviation of interatomic distances from equilibrium ones.…”

Section: Resultsmentioning

confidence: 99%