【摘要】 通过对固体推进剂药柱进行初始气孔率热老化试验研究，探讨了用累积损伤方法来预测药柱贮存寿命， 提出了一种准确、经济、方便地提前预测药柱贮存寿命的新方法和新技术更多还原

【Abstract】 A method for predicting the storage life of solid propellant grain by cumulative damage was developed based on heat ageing experiment on initial void content rate of propellant grain,and its application was discussed.A new method which can accurately,economically and conveniently predict the storage life of solid propillant grain was prosoed更多还原