Hardness was counted by Dynamic Ultra MicroHardness Tester.
动态超显微硬度仪测试材料的硬度。
2
The cross section microhardness of the material changes continuously.
材料横截面显微硬度连续变化。
3
The hardness of the alloy following the change of time was analyzed by micro- hardness instrument and the alloy's hardness curve following the change of time was drawn.