Preparation method of cadmium telluride arsenic-doped metallographic specimen
A metallographic sample, cadmium telluride technology, applied in the preparation of test samples, final product manufacturing, sustainable manufacturing/processing, etc., can solve problems such as preparation methods that have not been reported, and achieve a clear and complete microstructure , high reproducibility, scratch-free effect
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Embodiment 1
[0030] A method for preparing a cadmium telluride-doped arsenic metallographic sample of the present embodiment includes the following steps:
[0031] (1) Sampling: use wire cutting equipment to cut a 10*10*15cm sample of cadmium telluride doped with arsenic;
[0032] (2) Marking: mark the end face (C) and surface (S) of the sample to be observed for metallography;
[0033] (3) Grinding: use 320-mesh water-based sandpaper on the abrasive disc of the polishing agent, while flushing water, grind the abrasive surface of the sample on the rotating abrasive disc, lightly press the abrasive surface of the sample on the water-based sandpaper, along the diameter Rotate slightly in the opposite direction to the rotation direction of the grinding disc until the rough grinding marks disappear completely and the fine grinding marks are consistent. During the grinding process, the rotating speed is 300r / min, and each surface is ground for 5 minutes, and 1-2mm is removed. (If there are de...
Embodiment 2
[0041] A method for preparing a cadmium telluride-doped arsenic metallographic sample of the present embodiment includes the following steps:
[0042] (1) Sampling: use wire cutting equipment to cut a 10*10*15cm sample of cadmium telluride doped with arsenic;
[0043](2) Marking: mark the end face (C) and surface (S) of the sample to be observed for metallography;
[0044] (3) Grinding: use 320-mesh water-based sandpaper on the abrasive disc of the polishing agent, while flushing water, grind the abrasive surface of the sample on the rotating abrasive disc, lightly press the abrasive surface of the sample on the water-based sandpaper, along the diameter Rotate slightly in the opposite direction to the rotation direction of the grinding disc until the rough grinding marks disappear completely and the fine grinding marks are consistent. During the grinding process, the rotating speed is 300r / min, and each surface is ground for 5 minutes, and 1-2mm is removed. (If there are dee...
Embodiment 3
[0052] (1) Sampling: use wire cutting equipment to cut a 10*10*15cm sample of cadmium telluride doped with arsenic;
[0053] (2) Marking: mark the end face (C) and surface (S) of the sample to be observed for metallography;
[0054] (3) Grinding: use 320-mesh water-based sandpaper on the abrasive disc of the polishing agent, while flushing water, grind the abrasive surface of the sample on the rotating abrasive disc, lightly press the abrasive surface of the sample on the water-based sandpaper, along the diameter Rotate slightly in the opposite direction to the rotation direction of the grinding disc until the rough grinding marks disappear completely and the fine grinding marks are consistent. During the grinding process, the rotating speed is 300r / min, and each surface is ground for 5 minutes, and 1-2mm is removed. (If there are deep cracks on the surface to be ground, sand it with 100-grit sandpaper first until the deep cracks disappear)
[0055] (4) Rough polishing: Rota...
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