将两种纯度（5N、3N5）的钼板进行轧制，分析不同形变量下的钼板的硬度、EBSD显微组织；XRD采集方案：切割出块状样品，对块状样品进行磨抛以保证测试面平整，XRD试验电压为40 Kv，步长为0.013 °/s，测试范围为20-100 °。3DAP采集方案：将样品用线切割机切割成0.5 mm×0.5 mm×30 mm的方形条状，配置25 vol.%高氯酸+75 vol.%乙酸的电解液，将方形条状样品垂直放入电解液中进行首次电解抛光，获得细而尖的合金样品，采用显微电解抛光对制得的样品尖端进行进一步抛光，采用2 vol.%高氯酸+98 vol.%乙二醇丁醚混合溶液作为抛光电解液，在显微镜下实时观察电解抛光过程，并最终获得尖端曲率半径小于100 nm的APT检测样品，脉冲速度为200kHz，横向和深度分辨率分别为0.2nm，0.1nm，采集速度为2×106离子/分钟，实验温度控制在25K。

Roll molybdenum plates with two purity levels (5N, 3N5), and analyze the hardness and EBSD microstructure of the molybdenum plates under different deformations; XRD collection scheme: cut out block samples, and polish the block samples Ensure that the test surface is flat, the XRD test voltage is 40 Kv, the step length is 0.013 °/s, and the test range is 20-100 °. 3DAP collection scheme: Cut the sample into 0.5 mm×0.5 mm×30 mm square strips with a wire cutter, configure 25 vol.% perchloric acid + 75 vol.% acetic acid electrolyte, and place the square strip samples vertically Into the electrolyte for the first electrolytic polishing, a fine and sharp alloy sample is obtained, and the tip of the prepared sample is further polished by microelectrolytic polishing, using 2 vol.% perchloric acid + 98 vol.% ethylene glycol butyl ether The mixed solution is used as the polishing electrolyte to observe the electrolytic polishing process in real time under a microscope, and finally obtain an APT test sample with a tip curvature radius of less than 100 nm. The pulse speed is 200kHz, the lateral and depth resolutions are 0.2nm, 0.1nm, and the acquisition speed. It is 2×106 ions/min, and the experiment temperature is controlled at 25K.