Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (6): 726-732.DOI: 10.1007/s40195-018-0860-z
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Qiao J.C.1(), Chen Y.H.1, Lyu G.J.1, Song K.K.2, Pelletier J.M.3, Yao Y.1()
Received:
2018-09-17
Revised:
2018-10-25
Online:
2019-06-10
Published:
2019-06-17
Supported by:
Qiao J.C., Chen Y.H., Lyu G.J., Song K.K., Pelletier J.M., Yao Y.. Mechanical Relaxation of a Ti36.2Zr30.3Cu8.3Fe4Be21.2 Bulk Metallic Glass: Experiments and Theoretical Analysis[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(6): 726-732.
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Fig. 1 a XRD pattern of the as-cast Ti36.2Zr30.3Cu8.3Fe4Be21.2 bulk metallic glass, which confirms the amorphous structure of the model alloy, b DSC curve of the Ti36.2Zr30.3Cu8.3Fe4Be21.2 metallic glass with a heating rate of 20 K/min
Fig. 2 Temperature dependence of the normalized storage modulus E′/Eu and loss modulus E″/Eu of the Ti36.2Zr30.3Cu8.3Fe4Be21.2 bulk metallic glass. The driving frequency is set to be 0.3 Hz, and the heating rate is 3 K/min. The unrelaxed modulus Eu is estimated as the storage modulus at ambient temperature
Fig. 4 Normalized storage modulus E′/Eu and loss modulus E″/Eu as functions of temperature with frequency ranges from 0.1 to 3 Hz for the Ti36.2Zr30.3Cu8.3Fe4Be21.2 bulk metallic glass
Fig. 6 Variation of internal friction tan\(\delta\) as a function of annealing time at isothermal temperature 523 K for Ti36.2Zr30.3Cu8.3Fe4Be21.2 metallic glass
Fig. 8 Temperature dependence of the normalized storage modulus E′/Eu and loss modulus E″/Eu in Ti36.2Zr30.3Cu8.3Fe4Be21.2 metallic glass during successive heating to 800 K (640-685-725-800 K). The frequency is 0.3 Hz, and the heating rate is 3 K/min
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