Through Zr

55

Cu

30

Al

10

Ni

5

amorphous alloy inoculant as modifier of ZL205 alloy

the high temperature mechanical properties of ZL205 alloy at different temperatures and strain rates were analyzed

and effects of modification on the deformation mechanism of ZL205 alloy at high temperature were described.The results reveal that

the engineering stress and fracture strain of the unmodified ZL205 alloy are lower than those of the modified ZL205 alloy.With the increase of the deformation temperature

the stress sensitivity of the ZL205 alloy un-modified and modified is improved gradually

and the stress sensitivity of the modified ZL205 alloy is the higher than that of the unmodified ZL205 alloy.In addition

the high temperature deformation mechanism of the alloy un-modified and modified is characterized by dislocation climbing mechanism.The number of nano precipitated phases in modified ZL205 alloy at different temperature and strain rate is increased with the smaller and more uniform distribution.And at the same deformation temperature

the thermal deformation activation energy of the modified ZL205 alloy is the higher than that of the unmodified ZL205 alloy

so that the modified ZL205 alloy exhibits the better high-temperature strength and plasticity.