What are the reasons for frequent breakage of silicon molybdenum rods in high-temperature experimental electric furnaces

What are the reasons for frequent breakage of silicon molybdenum rods in high-temperature experimental electric furnaces
1. Check if the electrode connection piece of the silicon molybdenum rod in the high-temperature experimental furnace is secure.
2. Check whether the surface of each high-temperature experimental furnace silicon molybdenum rod is normal, whether there are cracks, and whether there are places with ignition melting points.
3. Observe if there are any signs of ignition or melting points near the furnace wall of each silicon molybdenum rod; If no abnormalities are found, it is recommended to replace a new set of silicon molybdenum rods.
4. Is the temperature of the high-temperature electric furnace too high for long-term use.
5. Is the installation distance of the high-temperature furnace silicon molybdenum rod too small.
6. Is there any corrosive gas generated inside the intelligent box muffle furnace during operation.
7. If it is a vacuum tube furnace, it is also necessary to pay attention to the positive and negative pressure inside the furnace.

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