PVD and CVD coatings are two core surface modification technologies for cemented carbide, each boasting unique advantages that elevate the performance of cemented carbide tools and components in industrial applications.

CVD coatings stand out for their thicker deposition layer, excellent adhesion to cemented carbide substrates, and uniform coverage even on complex-shaped workpieces. They offer exceptional wear and corrosion resistance, making CVD-coated cemented carbide ideal for heavy-duty machining processes like rough turning and milling of high-hardness materials, with outstanding thermal stability at high cutting temperatures.

PVD coatings, by contrast, feature a low deposition temperature, which avoids thermal deformation and phase changes of cemented carbide, preserving the substrate’s original mechanical properties. They produce dense, smooth coating layers with low friction coefficients, reducing cutting force and chip adhesion. PVD coatings are perfect for precision machining and finish operations, and support diverse coating materials for customized performance in different machining scenarios.

Together, the two technologies expand the application scope of cemented carbide, balancing efficiency, precision and durability in modern manufacturing.