Table 1 Results of plain radiographs, visual inspection, surface mapping and material loss assessment
Case | Rod | Rod type | Lot number | Plain radiographs | Visual inspection (wear marks) | Map 1 | Map 2 | Wear depth (μm) | Wear area (mm2) | Normalised wear area (mm2/mm) |
|---|---|---|---|---|---|---|---|---|---|---|
1 | 1 | 1.2 | A130313–03 | intact | circumferential | unmatched | matched | 41.2 | 0.428 | 0.071 |
2 | 1.2 | A130523–01 | intact | circumferential | unmatched | unmatched | 1.9 | 0.008 | 0.001 | |
2 | 3 | 1.2 | A130130–02 | intact | circumferential | matched | matched | 95.8 | 2.757 | 0.084 |
3 | 4 | 1.2 | 120,314–002 | unclear | circumferential | unmatched | unmatched | 5.8 | 0.002 | 0.001 |
4 | 5 | 1.2 | A140702–09 | intact | circumferential | matched | matched | 62.2 | 0.588 | 0.098 |
6 | 1.2 | A140605–01 | dislocated thread | longitudinal | matched | matched | 131.0 | 0.567 | 0.142 | |
5 | 7 | 1.2 | A141014–17 | intact | circumferential | matched | matched | 26.9 | 0.063 | 0.016 |
8 | 1.2 | A150220–08 | intact | no | unmatched | unmatched | 2.3 | 0.005 | 0.002 | |
6 | 9 | 1.1 | 110,112–010-017 | intact | circumferential | matched | matched | 38.2 | 1.169 | 0.032 |
7 | 10 | 1.2 | A130614–04 | fractured pin | combined | matched | matched | 103.0 | 2.918 | 0.224 |
11 | 1.2 | A130306–03 | dislocated thread | combined | matched | matched | 85.4 | 3.946 | 0.219 | |
8 | 12 | 1.2 | A130604–10 | fractured pin | combined | unmatched | matched | 129.0 | 12.873 | 0.348 |
9 | 13 | 1.2 | A140127–09 | intact | circumferential | unmatched | unmatched | 12.2 | 0.060 | 0.002 |
14 | 1.2 | A130919–13 | intact | circumferential | matched | matched | 28.7 | 0.747 | 0.026 | |
10 | 15 | 1.3 | A150403–08 | intact | circumferential | matched | matched | 15.8 | 0.087 | 0.005 |
16 | 1.3 | A150717–14 | intact | circumferential | matched | matched | 60.7 | 2.574 | 0.135 | |
11 | 17 | 1.3 | A150728–01 | intact | circumferential | matched | matched | 25.6 | 0.077 | 0.013 |
18 | 1.2 | A140702–09 | intact | circumferential | matched | matched | 26.9 | 0.518 | 0.020 | |
12 | 19 | 2.0 | A150519–14-00 | fractured pin | longitudinal | unmatched | matched | 92.4 | 3.424 | 0.245 |
20 | 2.0 | A150519–12-00 | fractured pin | longitudinal | unmatched | unmatched | 48.9 | 1.252 | 0.125 | |
13 | 21 | 1.2 | A140604–05 | intact | circumferential | matched | unmatched | 89.0 | 4.675 | 0.195 |
22 | 1.2 | A140220–03 | intact | circumferential | matched | matched | 44.0 | 0.161 | 0.032 | |
14 | 23 | 1.2 | A131111–06 | unclear | circumferential | unmatched | unmatched | 10.2 | 0.004 | 0.002 |
24 | 1.2 | A140414–06 | intact | circumferential | matched | matched | 27.2 | 0.051 | 0.026 | |
15 | 25 | 1.2 | A140425–12 | intact | circumferential | matched | matched | 65.2 | 1.147 | 0.048 |
26 | 1.2 | A140127–09 | intact | circumferential | unmatched | matched | 31.4 | 0.168 | 0.013 | |
16 | 27 | 1.2 | A140301–05 | intact | circumferential | matched | matched | 52.7 | 1.423 | 0.119 |
28 | 1.2 | A140813–02 | intact | circumferential | matched | matched | 88.5 | 1.187 | 0.148 | |
17 | 29 | 1.2 | A140604–05 | intact | circumferential | matched | matched | 65.4 | 1.728 | 0.052 |
30 | 1.2 | A131111–06 | intact | circumferential | matched | matched | 15.8 | 0.367 | 0.015 | |
18 | 31 | 1.2 | A140127–09 | fractured pin | longitudinal | matched | matched | 16.7 | 0.099 | 0.008 |
19 | 32 | 1.2 | A141222–01 | fractured pin | circumferential | matched | matched | 9.9 | 0.036 | 0.009 |
20 | 33 | 1.2 | A140308–03 | fractured pin | combined | matched | matched | 168.0 | 10.356 | 0.414 |
34 | 1.2 | A140127–08 | fractured pin | combined | matched | matched | 99.4 | 4.043 | 0.225 |