The new method has been applied to fractal dimension determination of the fractures of alloys Ti3Al and Ti 24Al 11Nb with STM at nanometer scale.

• 用扫描隧道显微镜（STM）利用变分辨率码尺方法在纳米尺度测定了Ti3AlTi?24Al?11Nb合金断口的分形维数。