动态超显微硬度仪测试材料的硬度。
Hardness was counted by Dynamic Ultra Micro Hardness Tester.
合金的显微硬度变化趋势不符合超塑性波动公式。
In addition, the trend of microhardness variety could not accord with the ultra-plastic wave formula.
检测结果表明，试样均为超细晶组织，其显微硬度为原始硬度的1.5～1.8倍。
The structures of the samples are ultra-fine-crystalline structures and their hardness are 1.5 to 1.8 times as the originals.
检测结果表明，试样均为超细晶组织，其显微硬度为原始硬度的1.5～1.8倍。
The structures of the samples are ultra-fine-crystalline structures and their hardness are 1.5 to 1.8 times as the originals.
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