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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
Through the experimental study on the thermal aging of the solid propellant grains with initial porosity, the accumulative damage method was used to predict the storage life of the grains. A new method to predict the storage life of the grains in advance accurately, economically and conveniently was proposed. technology