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药型罩初始孔隙度对聚能射流行为的影响

DOI: 10.11858/gywlxb.2008.04.019, PP. 445-448

Keywords: 爆炸力学,孔隙,聚能射流,粉末药型罩,X光测试

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Abstract:

多孔材料药型罩由于其可压缩性,在压垮之前受炸药爆炸冲击压缩作用而使温度升高,为延迟射流的断裂时间提供了可能,估算了多孔材料药型罩压垮之前的冲击温升,并结合脉冲X光摄影研究了孔隙度对射流行为的影响。测试结果表明,一定的孔隙度范围内,射流的韧性随着孔隙度的增加而提高,射流直径随孔隙度的增加而变细。

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