EBSD sample making method
A vacuum and in-equipment technology, applied in the field of EBSD sample preparation, can solve the problems of long sample preparation time for EBSD samples, long sample preparation time, difficult to achieve the expected effect, etc., to shorten the sample preparation process and time, and the sample preparation success rate. Stable and improved sample preparation efficiency
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Embodiment 1
[0064] For low carbon steel Q345, heat up to 1350°C for 2 minutes and then anneal and cool at 128°C / min. The specific process is as follows:
[0065] Process the low-carbon steel plate produced in industry into a cylindrical sample of Φ6×4mm. To test the upper surface of the cylinder, it is necessary to grind the upper surface with sandpaper of different grain sizes. The last step is to use no less than 1000# sandpaper to grind the sample. Mechanical polishing, using a polishing agent with a particle size of 1 μm. After polishing, ensure that the surface has no obvious scratches, and then put the sample into a beaker filled with acetone for ultrasonic cleaning for 20 minutes. After cleaning, polish again to ensure that the surface is bright and free of foreign matter.
[0066] After successful sample preparation, the sample is placed in an alumina crucible and placed in a heat treatment furnace in a high-temperature laser confocal device that can be vacuumed and ventilated. V...
Embodiment 2
[0070] For low carbon steel Q345, heat up to 1150°C for 2 minutes and then anneal and cool at 300°C / min. The specific process is as follows:
[0071] Process the low-carbon steel plate produced in industry into a cylindrical sample of Φ6×4mm. To test the upper surface of the cylinder, it is necessary to grind the upper surface with sandpaper of different grain sizes. The last step is to use no less than 1000# sandpaper to grind the sample. Mechanical polishing, using a polishing agent with a particle size of 1 μm. After polishing, ensure that the surface has no obvious scratches, and then put the sample into a beaker filled with acetone for ultrasonic cleaning for 20 minutes. After cleaning, polish again to ensure that the surface is bright and free of foreign matter.
[0072] After successful sample preparation, the sample is placed in an alumina crucible and placed in a heat treatment furnace in a high-temperature laser confocal device that can be vacuumed and ventilated. V...
Embodiment 3
[0076] For low carbon steel Q345, heat up to 950°C for 2 minutes and then anneal and cool at 300°C / min. The specific process is as follows:
[0077] Process the low-carbon steel plate produced in industry into a cylindrical sample of Φ6×4mm. To test the upper surface of the cylinder, it is necessary to grind the upper surface with sandpaper of different grain sizes. The last step is to use no less than 1000# sandpaper to grind the sample. Mechanical polishing, using a polishing agent with a particle size of 1 μm. After polishing, ensure that the surface has no obvious scratches, and then put the sample into a beaker filled with acetone for ultrasonic cleaning for 20 minutes. After cleaning, polish again to ensure that the surface is bright and free of foreign matter.
[0078] After the sample preparation is successful, the sample is placed in an alumina crucible and placed in a heat treatment furnace in a high-temperature laser confocal device that can be vacuumed and ventilat...
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