Specialized coating applied to casting cores to improve mold release, surface finish, and prevent metal penetration.
Core coating is a refractory material applied to the surface of foundry cores used in metal casting processes. It serves as a barrier between the molten metal and the core sand, preventing metal penetration into the core, facilitating core removal after casting, and improving the surface quality of the final casting. The coating is typically applied as a slurry or spray and then dried or cured before the casting process.
诱因 → 失效模式 → 工程缓解
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The primary purposes are to prevent molten metal penetration into the core, facilitate core removal after casting, and improve the surface finish of the final casting.
Core coating is typically applied using spray, dipping, or brushing methods, followed by drying at controlled temperatures to achieve proper adhesion and performance.
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