Anelasticity of Fe–Al alloys, revisited

Golovin, I.S.; Neuhäuser, H.; Rivière, A.; Strahl, Alexander

doi:10.1016/j.intermet.2003.10.003

Cited by 82 publications

(87 citation statements)

References 53 publications

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“…The height and position of the relaxation peaks are in good agreement with a previous paper. 5) Since the previous work was carried out using Fe-Al polycrystals, one can conclude that the relaxation peaks are regardless of whether the single crystals or polycrystals. On the other hand, there is no relaxation peaks near room temperature.…”

Section: ϫ4mentioning

confidence: 99%

“…[1][2][3][4] Recently, Fe-Al alloys have been expected as damping materials to absorb the vibration and noise. 5) There are two types of damping mechanism: relaxation and hysteretic types. Relaxation peaks of Fe-Al alloys, which were caused by diffusion of carbon and rearrangement of constituent atoms were extensively examined to characterize atomic defect properties and interstitials.…”

Section: Introductionmentioning

confidence: 99%

“…6,7) It was strongly suggested that the high damping capacity of Fe-Al based alloys at low strain amplitude and at ambient temperature was caused by an irreversible movement of magnetic domain walls during cyclic deformation. [5][6][7][8][9] In the present study, the origin of high Q…”

Section: Introductionmentioning

confidence: 99%

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Magneto-mechanical and Pseudoelastic Damping of Fe–Al Based Single Crystals

Yasuda¹,

Fukushima²,

Koizumi³

et al. 2009

ISIJ Int.

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Damping behavior of Mn, Co, Ni) in the wide strain amplitude range was examined and the damping mechanism was discussed. In Fe-Al binary single crystals, magneto-mechanical damping caused by irreversible motion of magnetic domain walls took place at low strain amplitudes. On the other hand, pseudoelasticity based on reversible motion of 1/4 ͗111͘ superpartial dislocations appeared in Fe-23.0at%Al single crystals which also contributed to the high damping capacity at high strain amplitudes. The effect of Cr, Mn, Co and Ni on the vibration attenuation of Fe-23.0at%Al crystals was also examined. As a result, Ni doping was found to be effective in the increase in both internal friction and yield strength of Fe-Al alloys.

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Section: ϫ4mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Magneto-mechanical and Pseudoelastic Damping of Fe–Al Based Single Crystals

Yasuda¹,

Fukushima²,

Koizumi³

et al. 2009

ISIJ Int.

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“…A certain role in these deformation processes is played also by defects in the crystalline lattice. In the literature, the set of reasons for this anelastic behaviour of materials under stress loading is often called internal friction, and several models exist which describe this phenomenon [4][5][6][7][8][9][10]. Generally speaking, Hooke's law (1), according to which the deformation of the body is proportional to the stress generated by external forces on the body, is a linear approximation of the actual relation of stress and strain also in the area of stresses which do not cause a permanent deformation.…”

Section: Introductionmentioning

confidence: 99%

Cyclic anelasticity of metals

CHMELKO¹

2021

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The mechanics of a solid body is based on Hooke's law. The non-linearity of the stress-strain curve in cyclic loading begins at much lower stress values than at the static yield stress point. A sensitive measurement of hysteresis loops led to discovering the anelastic strain processes below the yield stress and also below the fatigue limit. In this paper, the anelasticity limit is defined -the limit between reversible and irreversible strains -which is in compliance with the fatigue damage cumulation.K e y w o r d s : anelasticity, cyclic strain, fatigue

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“…5,6) These Fe-Al alloys have been successfully developed and are commercially available in Japan now. At low strain amplitudes and ambient temperature, the high damping capacity of Fe-Al alloys is usually attributed to the magneto-mechanical damping associated with the irreversible motion of magnetic domain walls.…”

Section: Introductionmentioning

confidence: 99%

Effect of Ni Doping on Strength and Damping Capacity of Fe–Al Alloys

et al. 2013

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Strength and damping capacity of Fe-Al alloys doped with different amounts of Ni were examined. FeAl alloys with an appropriate amount of Ni doping exhibited yield stress higher than 1 GPa and internal friction of above 0.032. In these alloys, the NiAl phase with the B2 structure densely precipitated in the Fe-Al matrix, satisfying the cube-on-cube orientation relationship. The precipitation of NiAl resulted in high strength, which was associated with the difference in primary slip systems between the NiAl precipitates and the Fe-Al matrix. Moreover, the internal friction measured under an external magnetic field showed low values, suggesting that Fe-Al alloys with the NiAl precipitates demonstrated magneto-mechanical damping caused by the irreversible motion of magnetic domain walls. The Al concentration in the Fe-Al matrix became appropriate for damping properties by the precipitation of NiAl, resulting in an increase in the internal friction of the alloy.

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Anelasticity of Fe–Al alloys, revisited

Cited by 82 publications

References 53 publications

Magneto-mechanical and Pseudoelastic Damping of Fe–Al Based Single Crystals

Magneto-mechanical and Pseudoelastic Damping of Fe–Al Based Single Crystals

Cyclic anelasticity of metals

Effect of Ni Doping on Strength and Damping Capacity of Fe–Al Alloys

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