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硝酸铵含量对水胶炸药爆速影响研究

Coal Mine Blasting(2022)

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Abstract
为研究硝酸铵水溶液质量分数对化学敏化水胶炸药爆速的影响,分别使用质量分数为78%、80%、82%、84%、86%的硝酸铵水溶液制备化学敏化水胶炸药,观测盐溶液的析晶点及炸药的微观结构,测试炸药的黏度、爆热及爆速.结果表明:随着硝酸铵水溶液质量分数的增加,盐溶液的析晶点由26℃上升至36℃,炸药的黏度由36452 mPa?s增加至45753 mPa?s,爆热由3945.4 kJ/kg增加至4341.1 kJ/kg,爆速由4290 m/s增加至4830 m/s,后降至4438 m/s.当硝酸铵水溶液质量分数为84%时,炸药的爆速最大.
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