Table 1 Dynamic tests for fatigue
Torsion (N-m) | % of static strength | HIP− | HIP +  | ||
|---|---|---|---|---|---|
Result (cycle) | Failure mode | Result (cycle) | Failure mode | ||
Dynamic torsional test for fatigue | |||||
− 10 ~ 10 | 25.00 | Failure (16,042) | Fracture | N/A | N/A |
− 5 ~ 5 | 12.50 | Failure (635,681) | Fracture | N/A | N/A |
− 2.5 ~ 2.5 | 6.30 | Failure (2,096,610) | Fracture | N/A | N/A |
− 2 ~ 2 | 5.00 | Surviving (4,105,587) | Fracture | Surviving (5,000,000) | No failure |
− 1.8 ~ 1.8 | 4.50 | Surviving (5,000,000) | No failure | N/A | N/A |
Axial load (N) | % of static strength | Result (cycle) | Failure mode | Result (cycle) | Failure mode |
|---|---|---|---|---|---|
Dynamic Axial Compression Test for Fatigue | |||||
300 ~ 3000 | 11.40 | Failure (960,322) | Fracture | N/A | N/A |
220 ~ 2200 | 8.40 | Failure (19,258,030) | Fracture | Surviving (5,000,000) | No failure |
160 ~ 1600 | 6.10 | Failure (3,255,271) | Fracture | N/A | N/A |
140 ~ 1400 | 5.30 | Surviving (5,000,000) | No failure | N/A | N/A |
Dynamic Shear Test for Fatigue | |||||
200 ~ 2000 | 27.40 | Failure (91,358) | Fracture | N/A | N/A |
140 ~ 1400 | 19.20 | Failure (204,641) | Fracture | Surviving (5,000,000) | No failure |
100 ~ 1000 | 13.70 | Failure (3,910,002) | Fracture | N/A | N/A |
80 ~ 800 | 11.00 | Surviving (5,000,000) | No failure | N/A | N/A |
90 ~ 900 | 12.30 | Surviving (5,000,000) | No failure | N/A | N/A |