Research Article
Tribological Behavior of Ni-Based WC-Co Coatings Deposited via Spray and Fuse Technique Varying the Oxygen Flow
Table 3
Average results of scratch resistance of MetaCeram coatings.
| | Coating | O2 flow (SCFH) | Scratch test load (N) | Projected cone area Ac (µm2) | Variation coefficient Vr (%) | Failure |
| | MetaCeram | 11.04 | 5 | — | — | - | | 10 | 9089.8 | 17.25 | Adhesive/cohesive | | 15 | 11284 | 18.41 | Adhesive/cohesive | | 12.88 | 5 | — | — | - | | 10 | 3224.34 | 20.05 | Adhesive/cohesive | | 15 | 6280.75 | 19.16 | Adhesive/cohesive | | 14.72 | 5 | — | — | - | | 10 | 1685.4 | 18.21 | Adhesive/cohesive | | 15 | 1870.26 | 20.84 | Adhesive/cohesive | | 16.56 | 5 | — | — | - | | 10 | 8282 | 19.45 | Adhesive/cohesive | | 15 | 17289 | 18.37 | Adhesive/cohesive |
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