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Stella coat
Core pin manufacturer and surface treatment professionals have jointly developed coating for core pins
Supernova ”Stella” composed of five elements
Features of Stella Coat
-AlCrTiSiN-based nano composite multilayer coating
-3-layer coating
Evaluation of the coating
-Harder film than TiN, TiAlN, and CrN (Hv3000)
-Excellent resistance to aluminum sticking / erosion
-Excellent oxidation resistance (1100℃)
-Thin film with little dimensional change
Al sticking test results
5-minute aluminum immersion → Appearance of specimen after wiping and amount of sticking
Erosion test results
9-hour aluminum immersion → Appearance of specimen after removal and amount of erosion
Surface hardness
