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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Abou-Hanna, Jeries Carlson, John Lozano, Jose´ |
| Copyright Year | 2005 |
| Abstract | Tungsten-doped diamond-like carbon (DLC) coatings have been magnetron sputtered onto 52100 steel blocks with chromium and chromium / tungsten carbide compound interlayers. The surface finish (Ra) of the substrate before deposition was 0.102 to 0.203 μm. The effect on the growth of the film of this substrate finish as well as surface contaminants is investigated using SEM and TEM. In areas of greatest substrate roughness, the coatings exhibited cracks from near the columnar structured chromium interlayer through the coating thickness. STEM EDS analysis shows chemistry variations at the interlayers to be minimal. In the areas with surface contaminants, cracks are observed in the film at an approximately 45° angle to the substrate. |
| Sponsorship | Tribology Division |
| Starting Page | 19 |
| Ending Page | 26 |
| Page Count | 8 |
| File Format | |
| ISBN | 0791842339 |
| DOI | 10.1115/IMECE2005-79135 |
| e-ISBN | 0791837696 |
| Volume Number | Tribology |
| Conference Proceedings | ASME 2005 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2005-11-05 |
| Publisher Place | Orlando, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Cracks Surface finish Magnetron sputtering Tungsten Diamond like carbon coatings Film growth Steel substrate Finishes Diamonds Fracture (materials) Coatings Steel Carbon |
| Content Type | Text |
| Resource Type | Article |
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