Using lattice parameter change to identify phase transformation in NigAl Experiment data -sum of peak 1 and peak 2 二 peak 1-y' peak 2-y 分峰条件： 峰形Voigt Accelerating Voltage Camera Length Magnificatior 200kV 10000x 500nm 置信度99% 采集条件： Misfit:0.15~0.35% 0.01/step 4s/step 72 73 74 75 76 77 78 20 ’ 采集条件： 0.01o/step 4s/step 分峰条件： 峰形 Voigt 置信度 99% Using lattice parameter change to identify phase transformation in Ni3Al Misfit: 0.15~0.35% (220)