Influences of HMX Content on the Impact Sensitivity and Non-Shock Initiation Reaction Characteristics of PBT Based Propellants

YANG Nian; MA Teng; GUO Guangfei; WU Sanzhen; XIA Yu; HUANG Yinsheng; LIU Dabin; XU Sen

doi:10.11858/gywlxb.20230824

Volume 38 Issue 3

Jun 2024

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Chinese Journal of High Pressure Physics > 2024 > 38(3): 035201.

YANG Nian, MA Teng, GUO Guangfei, WU Sanzhen, XIA Yu, HUANG Yinsheng, LIU Dabin, XU Sen. Influences of HMX Content on the Impact Sensitivity and Non-Shock Initiation Reaction Characteristics of PBT Based Propellants[J]. Chinese Journal of High Pressure Physics, 2024, 38(3): 035201. doi: 10.11858/gywlxb.20230824

Citation:

YANG Nian, MA Teng, GUO Guangfei, WU Sanzhen, XIA Yu, HUANG Yinsheng, LIU Dabin, XU Sen. Influences of HMX Content on the Impact Sensitivity and Non-Shock Initiation Reaction Characteristics of PBT Based Propellants[J]. Chinese Journal of High Pressure Physics, 2024, 38(3): 035201. doi: 10.11858/gywlxb.20230824

Citation:

YANG Nian, MA Teng, GUO Guangfei, WU Sanzhen, XIA Yu, HUANG Yinsheng, LIU Dabin, XU Sen. Influences of HMX Content on the Impact Sensitivity and Non-Shock Initiation Reaction Characteristics of PBT Based Propellants[J]. Chinese Journal of High Pressure Physics, 2024, 38(3): 035201. doi: 10.11858/gywlxb.20230824

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Influences of HMX Content on the Impact Sensitivity and Non-Shock Initiation Reaction Characteristics of PBT Based Propellants

doi: 10.11858/gywlxb.20230824

School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

Received Date: 20 Dec 2023
Rev Recd Date: 17 Mar 2024

Available Online: 25 May 2024

Issue Publish Date: 03 Jun 2024

Abstract

Abstract

In order to investigate the effect of HMX content on the impact sensitivity and non-shock initiation reaction characteristics of PBT based propellants, BAM impact sensitivity tests, friability tests and Susan tests were carried out. The experimental results show that with the increase of HMX content, the characteristic drop height of PBT based propellants at 50% explosion probability (H₅₀) decreases, indicating that the impact sensitivity increases with higher HMX content. In friability tests, the critical non-shock initiation velocities for the PBT based propellants with the HMX mass fraction of 0, 5%, 10%, and 15% are 168, 147, 136, and 131 m/s, respectively, showing a decline in the critical non-shock initiation velocity as HMX content rises. In Susan tests, four different kinds of PBT based propellants react as explosion or partial detonation at velocities range of 120 m/s to 300 m/s. The PBT based propellant with the HMX mass fraction of 10% exhibits more intense reactions compared to the other three PBT based propellants at the same velocity.
- HMX,
- PBT based propellants,
- impact sensitivity,
- non-shock initiation,
- reaction characteristics

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References(23)

References

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Influences of HMX Content on the Impact Sensitivity and Non-Shock Initiation Reaction Characteristics of PBT Based Propellants

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