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通过差示扫描量热(DSC)分析、流变性能测试等实验手段并结合理论分析,证实了储氢合金自身的特性、高氯酸铵的存在以及浇注速度不当是储氢合金推进剂在固化过程中出现大量气孔的根本原因。通过调整加料顺序并控制浇注速度,较好地解决了含储氢合金的丁羟推进剂固化气孔问题。
Through the differential scanning calorimetry (DSC) analysis, rheological properties test and other experimental methods combined with theoretical analysis, confirmed the hydrogen storage alloy its own characteristics, the presence of ammonium perchlorate and improper casting speed is hydrogen storage alloy in the curing agent The root causes of large numbers of stomata appear during the process. By adjusting the feeding order and controlling the pouring speed, the problem of curing stomatal of butyrolacrylate containing hydrogen storage alloy is solved well.