Estimation Method for Storage Life of Magnetorheological Fluid Fuze Arming Device

doi:10.3969/j.issn.1000-1093.2016.09.008

Abstract

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

CLC Number:

TJ430.4

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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