引信磁流变液解除保险机构贮存寿命评估方法

doi:10.3969/j.issn.1000-1093.2016.09.008

兵工学报 ›› 2016, Vol. 37 ›› Issue (9): 1606-1611.doi: 10.3969/j.issn.1000-1093.2016.09.008

引信磁流变液解除保险机构贮存寿命评估方法

胡明，王炅，吴小琅

(南京理工大学机械工程学院，江苏南京 210094)

收稿日期:2015-11-26 修回日期:2015-11-26 上线日期:2016-11-04
通讯作者: 胡明 E-mail:18652088301@163.com
作者简介:胡明(1989—)，男，博士研究生
基金资助:
国家自然科学基金项目(51175265)

Estimation Method for Storage Life of Magnetorheological Fluid Fuze Arming Device

HU Ming, WANG Jiong, WU Xiao-lang

(School of Mechanical Engineering,Nanjing University of Science and Technology, Nanjing 210094，Jiangsu, China)

Received:2015-11-26 Revised:2015-11-26 Online:2016-11-04
Contact: HU Ming E-mail:18652088301@163.com

摘要/Abstract

摘要： 针对引信磁流变液解除保险机构贮存后使用的安全性和可靠性问题，提出一种贮存寿命评估方法，并对其进行寿命评估。通过贮存稳定性实验，分析在恶劣环境下存贮对磁流变液的屈服应力和黏度的影响以及对引信磁流变液解除保险机构的性能影响。实验结果表明长时间的高温会导致磁流变液中的铁磁颗粒沉降团聚，说明高温可加速引信磁流变液解除保险机构失效；通过建立贮存寿命加速模型，提出适用于引信磁流变液解除保险机构贮存寿命的评估方法；采用这种评估方法对引信磁流变液解除保险机构在正常贮存条件下的可靠贮存寿命进行评估。评估结果表明：引信磁流变液解除保险机构的可靠贮存寿命为15.2 a，具有较好的贮存性能，满足引信的可靠性和安全性要求。

关键词: 兵器科学与技术, 引信, 磁流变液, 解除保险机构, 贮存, 失效, 寿命评估方法

Abstract: An estimation method is proposed to study the safety and reliability of magnetorheological fluid (MRF) arming device using after a long-term storage, by which the storage life of MRF fuze arming device is estimated. The effect of harsh environment on the yield stress and viscosity of MRF and the performance of fuze arming device is analyzed through storage stability experiment. The experimental results show that a long-time high temperature results in sedimentating and aggregating the ferromagnetic particles in MRF, and speeding up the failure of MRF fuze arming device. An estimation method for the storage life of MRF fuze arming device is presented by establishing an accelerated storage life model. The reliable storage life of MRF fuze arming device under normal storage condition is estimated by the proposed method. The estimated results indicate that the reliable storage life of MRF fuze arming device is 15.2 years.

Key words: ordnance science and technology, fuze, magnetorheological fluid, arming device, storage, failure, storage life estimation method

中图分类号:

TJ430.4

胡明，王炅，吴小琅. 引信磁流变液解除保险机构贮存寿命评估方法[J]. 兵工学报, 2016, 37(9): 1606-1611.

HU Ming, WANG Jiong, WU Xiao-lang. Estimation Method for Storage Life of Magnetorheological Fluid Fuze Arming Device[J]. Acta Armamentarii, 2016, 37(9): 1606-1611.

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引信磁流变液解除保险机构贮存寿命评估方法

Estimation Method for Storage Life of Magnetorheological Fluid Fuze Arming Device

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