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Company News About Aluminum Corrosion Causing Downtime? Si₃N₄ Structural Ceramics Enable Stable Low-Pressure Casting
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Aluminum Corrosion Causing Downtime? Si₃N₄ Structural Ceramics Enable Stable Low-Pressure Casting

2024-05-05
Latest company news about Aluminum Corrosion Causing Downtime? Si₃N₄ Structural Ceramics Enable Stable Low-Pressure Casting

In low-pressure aluminum casting, metal riser tubes and nozzles are prone to corrosion and aluminum adhesion, causing frequent shutdowns and contamination.
The Silicon Nitride Structural Components offer a reliable alternative with high strength (≥800 MPa), thermal conductivity (25–35 W/m·K), and excellent corrosion resistance.

These ceramics remain chemically stable even when immersed in molten aluminum or copper. Their low thermal expansion (2.8×10⁻⁶/K) ensures dimensional stability under rapid heating and cooling cycles.
Typical parts include riser tubes, heater sleeves, thermocouple protection tubes, and plungers.

In production practice, Si₃N₄ components have extended service life by 2–3×, reduced unplanned maintenance by 40%, and significantly improved casting quality.
By preventing molten metal contamination and ensuring consistent temperature transfer, they enable stable, high-yield operation in aluminum foundries, die casting, and metallurgical plants.
For manufacturers seeking durability, cleanliness, and long-term reliability, silicon nitride ceramics are redefining the standard for structural components in nonferrous metal processing.

Wuxi Special Ceramic Electrical Co.,Ltd
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Steatite Ceramics

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Zirconia Ceramics

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