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NGH nano-amorphous superhard gradient coating
Introduction :NGH is a nano-amorphous coating composed of Cr, W, Mo, Al, Ti and other metal elements in a magnetron sputtering system, with high hardness and high wear resistance.
Performance parameter table
| category | parameter | Remark |
hardness | ≥3500HV | Equivalent to twice the hardness of high-speed steel |
thickness | 3-5μm | |
Wear rate | ≤1×10－19 m3/Nm | F5WC grinding ball, the load is 80N, the sliding speed is 200mm/s |
critical load | ≥120N | F1 diamond sliding needle, loading rate 100N/min, sliding speed 10.0mm/min |
color | silver grey |
Microstructure of nano-amorphous superhard gradient coating
