Influence of additives on the coverage degree and mechanical sensitivity of RDX

Huang Ju; Wang Bo-liang; Liu Wei; Zhao Xin-ying; Peng Jin-hua

doi:10.11883/1001-1455(2015)04-0454-05

Volume 35 Issue 4

Jun. 2016

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Article Navigation > Explosion And Shock Waves > 2015 > 35(4): 454-458

Huang Ju, Wang Bo-liang, Liu Wei, Zhao Xin-ying, Peng Jin-hua. Influence of additives on the coverage degree and mechanical sensitivity of RDX[J]. Explosion And Shock Waves, 2015, 35(4): 454-458. doi: 10.11883/1001-1455(2015)04-0454-05

Citation:

Huang Ju, Wang Bo-liang, Liu Wei, Zhao Xin-ying, Peng Jin-hua. Influence of additives on the coverage degree and mechanical sensitivity of RDX[J]. Explosion And Shock Waves, 2015, 35(4): 454-458. doi: 10.11883/1001-1455(2015)04-0454-05

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Influence of additives on the coverage degree and mechanical sensitivity of RDX

doi: 10.11883/1001-1455(2015)04-0454-05

1.
School of chemical engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
School of chemistry and chemical engineering, Xuzhou Institute of Technology, Xuzhou 221111, Jiangsu, China

Received Date: 2012-06-12
Rev Recd Date: 2013-07-28
Publish Date: 2015-08-10

Abstract

Abstract

The surface tension of binder containing different additives and the contact angle with RDX were measured by a contact angle meter. The coating quality is evaluated according to the micro-images acquired by scanning electron microscopy (SEM), the spectrum by X-ray photoelectron spectroscopy (XPS) and the impact sensitivity of the samples. The spreading coefficient (S) and adhesive work (W₁₂) were calculated, and then the dependence of the coverage degree (R) on S and W₁₂ were analyzed. The results show that R increased with the increase of S, and reduced with the increase of W₁₂. It indicates that the better coating quality comes with the bigger S and the smaller W₁₂. And the lower mechanical sensitivity comes with the greater coverge degree. The results of SEM show that a thin layer of film was formed on the surface of RDX. The results of XPS show that the additives can raise the coverage degree from 16.85% to 95.41%. The results of impact sensitivity show that the additives can raise the characteristic fall distance from 11.47 cm to 25.12 cm, and significantly reduce friction sensitivity.
- mechanics of explosion,
- surface coating,
- additives,
- RDX,
- mechanical sensitivity

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References(7)

References

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