摘要The formability and thermal stability of Ce62Al15Fe8Co15 bulk metallic glass (BMG) are studied by x-ray diffraction (XRD) and differential scanning calorimetry. The critical diameter of Ce62Al15Fe8Co15 BMG predicted by the parameter γ is about 3.1 mm, which is roughly in agreement with the XRD results. Stability of the BMG is investigated by means of continuous crystallization diagrams obtained from the extension of the Kissinger and Vogel-Fulcher-Tammann (VFT) equations comparatively. It is found that the dependence of crystallization temperature of the BMG on heating rates follows a nonlinear relationship rather than Kissinger and Lasoka's linear fittings. The thermal stability of the BMG is investigated by the VFT equation.
Abstract：The formability and thermal stability of Ce62Al15Fe8Co15 bulk metallic glass (BMG) are studied by x-ray diffraction (XRD) and differential scanning calorimetry. The critical diameter of Ce62Al15Fe8Co15 BMG predicted by the parameter γ is about 3.1 mm, which is roughly in agreement with the XRD results. Stability of the BMG is investigated by means of continuous crystallization diagrams obtained from the extension of the Kissinger and Vogel-Fulcher-Tammann (VFT) equations comparatively. It is found that the dependence of crystallization temperature of the BMG on heating rates follows a nonlinear relationship rather than Kissinger and Lasoka's linear fittings. The thermal stability of the BMG is investigated by the VFT equation.
WANG Zhi-Xin;LU Jin-Bin;YANG Wei-Tie. Formability and Thermal Stability of Ce62Al15Fe8Co15 Bulk Metallic Glass[J]. 中国物理快报, 2010, 27(2): 26105-026105.
WANG Zhi-Xin, LU Jin-Bin, YANG Wei-Tie. Formability and Thermal Stability of Ce62Al15Fe8Co15 Bulk Metallic Glass. Chin. Phys. Lett., 2010, 27(2): 26105-026105.
[1] Wang W H, Dong C and Shek C H 2004 Mater Sci. Eng. R 44 45 [2] Shan S F, Zhan Z J, Fan C Z, Jia Y Z, Zhang B Q, Liu R P and Wang W K 2008 Chin. Phys. Lett. 25 4165 [3] Johnson W L 1999 MRS Bull. 24 42 [4] Cao Q P, Li J F and Zhou Y H 2008 Chin. Phys. Lett. 25 3459 [5] Wang Z X, Lu J B and Xi Y J 2007 J. Rare Earths 25 619 [6] Jiang M Q, Jiang S Y and Dai L H 2009 Chin. Phys. Lett. 26 016103 [7] Xia L, Tang M B, Pan M X, Zhao D Q, Wang W H and Dong Y D 2003 J. Phys. D 36 2954 [8] Zhang B, Pan M X, Zhao D Q and Wang W H 2004 Appl. Phys. Lett. 85 61 [9] Zhang B, Zhao D Q, Pan M X and Wang W H 2005 Phys. Rev. Lett. 94 205502 [10] Li G, Dong Y G, Huang L, He G W, Liu R P and Wang W K 2009 Chin. Phys. Lett. 26 086102 [11] Louzguine D V and Inoue A 2002 Scripta Materiallia 47 887 [12] Yang H W, Tong W P, Zhao X, Zuo L and Wang J Q 2008 Chin. Phys. Lett. 25 3357 [13] Hay C C, Kim C P and Johnson W L 2000 Phys. Rev. Lett. 84 2901 [14] Turnbull D 1969 Contemp. Phys. 10 473 [15] Lu Z P and Liu C T 2003 Phys. Rev. Lett. 91 115505 [16] Ding D, Xia L, Shan S T and Dong Y D 2004 Chin. Phys. Lett. 21 901 [17] Wang Z X, Li F Y, Pan M X, Zhao D Q and Wang W H 2005 J. Alloys Compd. 388 262 [18] Kissinger H E 1956 J. Res. Nalt. Bur. Stand., Sect. A 57 217 [19] Zhuang Y X, Wang W H and Pan M X 2003 Appl. Phys. Lett. 75 2392 [20] Wang W H, Pan M X and Yao Y S 2000 J. Appl. Phys. 88 3914 [21] Zhao Z F, Zhang Z, Wen P, Pan M X, Zhao D Q, Wang W H and Wang W L 2003 Appl. Phys. Lett. 82 4699 [22] Xia L, Ding D, Shan S T and Dong Y D 2007 Appl. Phys. Lett. 90 111903 [23] Bruning R and Samwer K 1992 Phys. Rev. B 46 11318
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