There have 2 types of coating in Carbide insert ,PVD and CVD coating .
PVD coating carbide insert mainly used for machining stainless steel and High-temperature alloy,CVD coating carbide insert mainly used for machining all kinds of steel and cast iron . if you know the difference of this 2 coatings ? here ,let me share more details about it .
PVD and CVD are coating techniques. PVD stands for physical vapour deposition , CVD stands for chemical vapour deposition. The key difference between PVD and CVD is that the coating material in PVD is in solid form , in CVD it is in gaseous form. another important difference we can say that in PVD technique atoms are moving and depositing on the substrate while in CVD technique the gaseous molecules will react with the substrate.
Besides, the deposition temperatures between PVD and CVD also different , for PVD, it deposits at a relatively low temperature (around 250°C~450°C) whereas, for CVD, it deposits at relatively high temperatures in the range of 450°C to 1050°C.
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