Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Chemical composition of spectrum 2
| Element | Intensity | Weight% | Weight%, σ | Atomic% |
|---|---|---|---|---|
| CK | 3.1867 | 49.38 | 0.57 | 77.22 |
| OK | 0.5512 | 5.61 | 0.29 | 7.44 |
| FK | 0.4215 | 1.02 | 0.22 | 1.03 |
| PK | 0.9402 | 0.06 | 0.04 | 0.04 |
| SK | 0.7728 | 0.53 | 0.12 | 0.23 |
| CaK | 1.2703 | 1.03 | 0.07 | 0.52 |
| FeK | 0.9234 | 0.98 | 0.11 | 0.31 |
| NiK | 0.7966 | 2.74 | 0.14 | 0.91 |
| CuK | 0.8837 | 35.27 | 0.52 | 11.68 |
| MoL | 0.6979 | 3.38 | 0.29 | 0.62 |
| Result | 100.00 | 100.00 |
Chemical composition of spectrum 3
| Element | Intensity | Weight% | Weight%, σ | Atomic% |
|---|---|---|---|---|
| CK | 4.7439 | 67.59 | 0.57 | 89.30 |
| OK | 0.4207 | 3.78 | 0.34 | 3.71 |
| FK | 0.3612 | 0.63 | 0.27 | 0.53 |
| SK | 0.8711 | 0.36 | 0.09 | 0.13 |
| CaK | 1.0372 | 1.56 | 0.08 | 0.58 |
| CrK | 0.9261 | 0.38 | 0.06 | 0.05 |
| FeK | 0.8968 | 0.44 | 0.06 | 0.11 |
| NiK | 0.8198 | 1.54 | 0.12 | 0.38 |
| CuK | 0.8246 | 21.59 | 0.40 | 4.99 |
| MoL | 0.7734 | 2.13 | 0.22 | 0.22 |
| Result | 100.00 | 100.00 |
Comparative antifriction properties of the studied composite and cast bronze
| Composition, wt.% | Friction coefficient (f)/wear rate (I), μm/km, at load of 4.0 MPa and rotation speed, rph | Maximum permissible rotation speed, rph | Comments | ||
|---|---|---|---|---|---|
| 3,000 | 5,000 | 7,000 | |||
| Cu + 5Ni + 3Mo + 9CaF2 | 0.21/61 | 0.24/75 | 0.28/153 | 7,500 | Antifriction films have formed on the contact surfaces |
| Cast bronze CuSn5ZnPb* [1] | 0.37–0.41/388–405 | Plastic deformation | 800–1,000 | Liquid oil smokes and burns | |
Chemical composition of spectrum 1
| Element | Intensity | Weight% | Weight%, σ | Atomic% |
|---|---|---|---|---|
| CK | 2.0816 | 12.57 | 0.71 | 39.81 |
| OK | 0.7860 | 4.71 | 0.25 | 9.91 |
| FK | 0.5422 | 1.82 | 0.25 | 3.54 |
| SK | 0.8207 | 0.23 | 0.22 | 0.31 |
| CaK | 1.0503 | 1.47 | 0.09 | 1.35 |
| FeK | 1.1168 | 0.47 | 0.11 | 0.30 |
| NiK | 0.9799 | 4.58 | 0.22 | 2.80 |
| CuK | 0.9441 | 66.84 | 0.80 | 39.23 |
| MoL | 0.6776 | 7.31 | 0.64 | 2.75 |
| Result | 100.00 | 100.00 |