| 航天器电子元器件疲劳寿命分析 |
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| 引用本文： | 代锋,唐德效,付永辉,邵兆申.航天器电子元器件疲劳寿命分析[J].计算机辅助工程,2010,19(2):56-59. |
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| 作者姓名： | 代锋 唐德效 付永辉 邵兆申 |
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| 作者单位： | 中国空间技术研究院西安分院,结构技术研究室,西安,710000 |
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| 摘 要： | 为研究空间环境效应对航天器电子设备元器件疲劳寿命的影响，应用Miner累积损伤理论及三带宽技术，根据表贴元器件经历的试验、发射和在轨运行等实际环境进行振动及热疲劳寿命分析．给出振动及热循环疲劳寿命的计算方法，并以某BGA（Ball Grid Array）器件为例进行分析．该方法可为长寿命、高可靠的航天器电子设备抗力学及热设计提供分析途径．
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| 关 键 词： | 航天器电子元器件 振动 热循环 Miner累积损伤理论 三带宽技术 疲劳寿命因子 |
| 收稿时间： | 2009/9/13 0:00:00 |
| 修稿时间： | 2009/11/6 0:00:00 |
Fatigue life span analysis on spacecraft electronic components |
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| dai feng,TANG Dexiao,FU Yonghui and SHAO Zhaoshen.Fatigue life span analysis on spacecraft electronic components[J].Computer Aided Engineering,2010,19(2):56-59. |
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| Authors: | dai feng TANG Dexiao FU Yonghui and SHAO Zhaoshen |
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| Affiliation: | ( Structural Tech. Research Dept. , Xi＇ an Branch of China Academy of Space Tech. , Xi＇ an 710000, China) |
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| Abstract: | To study the effect of space environment on the fatigue life of spacecraft electronic components, the Miner cumulative damage theory and the three band technology are used to analyze the vibration and thermal fatigue life span according to the experienced environment such as test, launch, motion on orbit and so on. A calculation method on the analysis of vibration and thermal fatigue life is proposed and a BGA(Ball Grid Array) component is taken as an example to perform the analysis. The method is an analysis way for the anti mechanics and thermal design on long life space electronic equipment with high reliability. |
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| Keywords: | spacecraft electronic component vibration thermal cycle Miner cumulative damage theory three band technology fatigue life factor |
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