Cylindrical bulk amorphous alloy Cu

60-xZr

30Ti

10Sn

x

（ x=0

1

2） with diameter of 2

3

mm have been prepared by copper mould sucking casting. The structure and heat stability as well as crystallization behavior of the amorphous alloy were observed by means of XRD （X-ray diffraction） and DSC （differential scanning calorimeter）. Characteristic temperatures of the amorphous alloy Cu

60-xZr

30Ti

10Sn

x

（x=0

1

2）

such as glass transition temperature T

g

crystallization temperature T

x

and supercooled liquid region

are controlled by Sn content. For the Cu

58Zr

30Ti

10Sn

2

amorphous alloy

T

g

and T

x

△T

x

are about 703.9 K

755.5 K and 51.6K

respectively. The characteristic temperatures are gradually tended to high temperature zones with DSC heating rate increase

where the dynamic effect of crystallization is much higher that of glass transition. The activation energies of bulk amorphous alloy Cu

58Zr

30Ti

10Sn

2

calculated using Kissinger are list as follows: the glass activation energy

E

g

about 3.30 eV

crystallization activation energy

E

x

about 3.17 eV

that for the first crystallization peak

E

p1

about 2.82 eV and that for the second crystallization peak

E

p2

about 3.13eV. Although the corresponding values

derived from Ozawa method

are slightly lower

it shows a similar tendency compared with ones derived from the Kissinger.