Research Article
Preliminary Thermal Design and Analysis of Lunar Lander for Night Survival
Table 8
Summary of predicted mechanical reliability of U5 and U2 solder joints under lunar and LEO thermal environments.
| | Temperature range (°C) | Lunar thermal environment | LEO thermal environment | | U5 (%) | U2 (%) | U5 (%) | U2 (%) |
| | 0–50 | 7.71 × 10−8 | 3.00 × 10−16 | 0.59 | 2.59 × 10−8 | | −10–50 | 2.35 × 10−7 | 9.15 × 10−16 | 1.80 | 7.72 × 10−8 | | −20–50 | 6.05 × 10−7 | 2.36 × 10−15 | 4.58 | 1.95 × 10−7 | | −30–50 | 1.38 × 10−6 | 5.37 × 10−15 | 10.11 | 4.34 × 10−7 | | −40–50 | 2.85 × 10−6 | 1.11 × 10−14 | 19.79 | 8.79 × 10−7 |
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