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用X射线衍射和电子显微镜对稀土硅铁合金粉化原因进行了研究,REP或CeC_2,La_2C_3的存在是合金粉化的原因,合金应力腐蚀与氢脆加速了合金的粉化。
The reason of powdering of rare earth ferrosilicon alloy was studied by X-ray diffraction and electron microscope. The reason of REP or CeC_2 and La_2C_3 was the reason of alloy powdering. The stress corrosion and hydrogen embrittlement accelerated the pulverization of the alloy.