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HomeSolid State PhenomenaSolid State Phenomena Vol. 184The Investigation of Internal Friction on...

The Investigation of Internal Friction on Antiferromagnetic Transition and Martensitic Transformation in Mn-Fe(Cu) Alloys

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Abstract:

The internal friction and elastic modulus variations caused by the structural rearrangement fcc↔fct in Mn-Fe (Cu) antiferromagnetic alloys were studied in this paper. Antiferromagnetic transition exhibits weak first-order features due to the formation of microtwins by modulus softening mechanism. Antiferromagnetic transition also assists subsequent transformation to form twinned martensite. The small hysteresis between direct and reveres martensitic transformations indicates the thermoelastic feature. Both the martensitic and its reverse transformations also depend on the modulus softening mechanism.

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Internal Friction and Mechanical Spectroscopy

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Periodical:

Solid State Phenomena (Volume 184)

Pages:

378-383

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.184.378

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Online since:

January 2012

Authors:

Zheng Hong Guo, Yong Hua Rong, S.Y. Gu, Ji Hua Zhang

Keywords:

Antiferromagnetic Alloys, Internal Friction, Martensitic Transformation (MT), Microtwins

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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