| Title |
The effects of Deformation to the Mechanical Properties of Fe40 Ni40 P13 C7 Metallic Glass |
| Authors |
김성균(Seong Gyoon Kim); 나형용(Hyung Yong Ra) |
| Abstract |
In this study, the influence of deformation on the mechanical properties of amorphous Fe_(40)Ni_(40)P_(13)C_7, ribbon made by single roll melt spinning was investigated. As-quenched ribbon was rolled about ∈_T (thickness reduction ratio)=1∼6% and continuous bending deformed about ∈_M(Max. plastic strain)＝1.0∼2,5%. The fracture of rolled ribbon occurs along the plane of shear band formed by rolling. Tensile strength decreases with thickness reduction. These results are attributed to the work softening in the shear band by rolling. The fracture plane of continuous bending deformed ribbon is not a single plane, but double plane. (The shear band plane formed by bending and the flat plane orientated with 45˚∼50˚to the tensile axis). In this case, the shear band present obstacle to the propagation of the slip during tensile test and tensile strength increases. |