Valve for internal combustion engines
摘要:
A valve device for an internal combustion engine may include a valve and a metallic tungsten matrix coating containing at least one tungsten nanocarbide disposed on at least a portion of the valve via a chemical vapor deposition (CVD) process. The coating may include a thickness ranging from 5 μm to 150 μm and a hardness between 500 HV and 2000 HV.
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