Research Article
[Retracted] Influence of Sulfur and Additives on Wear of Exhaust Valve Seat of Cylinder Head
Table 7
Contact surface element analysis.
| 0# | | | Element | Atomic ratio | C | 87.81 | O | 11.85 | S | 0.08 | Ca | 0.08 | Fe | 0.17 | Summation | 100.00 |
| 0#+ | | | Element | Atomic ratio | C | 46.95 | O | 31.44 | S | 7.26 | K | 14.21 | Ba | 0.14 | Summation | 100.00 |
| ā10# | | | Element | Atomic ratio | C | 83.19 | O | 16.72 | Si | 0.03 | S | 0.05 | Ca | 0.02 | Summation | 100.00 |
| ā10#+ | | | Element | Atomic ratio | C | 78.48 | O | 13.76 | S | 2.47 | K | 4.36 | Ca | 0.19 | Ni | 0.67 | Ba | 0.07 | Summation | 100.00 |
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