Rejuvenation and plasticization of metallic glass by deep cryogenic cycling treatment

A Zr-based metallic glass is treated by a cryogenic- to room-temperature cycling treatment with 30 cycles. Though the structure after treatment maintains its monolithic amorphous structure, the treated sample exhibits a rejuvenation behavior contrasting with that of an untreated as-cast sample, incl...

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Veröffentlicht in:	Intermetallics 2018-02, Vol.93, p.141-147
Hauptverfasser:	Guo, Wei, Yamada, Rui, Saida, Junji
Format:	Artikel
Sprache:	eng
Schlagworte:	Amorphous materials Atomic structure Cryogenic cycling treatment Cryogenic temperature Cryogenic treatment Cycles Deformation Edge dislocations Enthalpy Evolution Free energy Heat of formation Mechanical properties Metallic glasses Microstructure Plastic deformation Plasticity Residual stress Shear bands Studies Thermal rejuvenation Zirconium base alloys
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