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基于应力-强度干涉模型的火工品可靠性设计方法

Keywords: 军事化学与烟火技术,火工品,可靠性设计,应力-强度干涉模型

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Abstract:

考虑火工品外界刺激量具有随机性的特点,提出了基于应力-强度干涉模型的火工品可靠性设计方法.该方法将可靠性指标通过应力-强度干涉模型转换为火工品感度分布参数,通过感度分布参数的合理取值实现火工品发火可靠性与安全可靠性的兼容设计.推导了应力与强度分布服从正态-正态、对数正态-对数正态分布情况下的火工品可靠性设计公式.实例说明采用该方法的设计结果能同时满足发火可靠性指标和安全可靠性指标.

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