应力水平组合 | 测量次数 | 最优分布类型 | ||
正态分布 | 对数正态分布 | 威布尔分布 | ||
S1 (55℃, 72RH%) | 9 | 6 | 1 | 2 |
S2 (55℃, 84RH%) | 11 | 10 | 1 | 0 |
S3 (55℃, 96RH%) | 12 | 10 | 1 | 1 |
S4 (65℃, 72RH%) | 9 | 7 | 2 | 0 |
S5 (65℃, 84RH%) | 11 | 7 | 2 | 2 |
S6 (65℃, 96RH%) | 12 | 8 | 2 | 2 |
S7 (75℃, 72RH%) | 9 | 5 | 2 | 2 |
S8 (75℃, 84RH%) | 11 | 9 | 0 | 2 |
S9 (75℃, 96RH%) | 12 | 9 | 1 | 1 |