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含能材料  2013 

储氢材料在乳化炸药中的应用

Keywords: 爆炸力学,乳化炸药,冲击波,储氢材料

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Abstract:

乳化炸药具有安全、环保、稳定的特点,在工程爆破中得到了广泛应用。向乳化基质中添加储氢材料能够提高乳化炸药的作功能力,改善乳化炸药的爆炸性能。通过水下爆炸实验和猛度测定实验,研究了两种储氢材料敏化的乳化炸药爆炸能量输出特性,并与玻璃微球敏化的传统乳化炸药进行比较。研究结果表明:储氢材料能够显著改善乳化炸药的爆炸特性,其中储氢材料MgH2敏化的乳化炸药能量增加了32%,储氢材料TiH2冲击波衰减时间增加了42%。储氢材料水解产生的H2起到敏化作用并参与爆炸反应,因此其总输出能量会大于现有乳化炸药的输出能量。储氢材料在乳化炸药中起到了敏化剂和含能材料的双重作用。

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