以Ce为主研究了元素对起燃温度的影响并与国外研究较多的钙元素的作用进行了对比,认为Ce与Ca同样对镁合金的阻燃具有显著作用,添加1%的Ce,起燃温度提高约180℃,而添加1%的Ca,起燃温度提高约280℃.可直接暴露在大气中熔炼镁合金.研究表明:添加稀土Ce的镁合金的表面膜基体金属由原来的MgO疏松结构转变为由MgO,Ce2O3,Al2O3及Mg17Al2组成的复合致密结构,具有很好的阻燃效果.
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