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在6MPa下用超声气体雾化法制得Nd13Fe80B7粉末研究粒径不同的粉末的形貌及结构阐述了冷却速度是尺寸不同的颗粒具有不同形貌及结构的原因
The morphology and structure of Nd13Fe80B7 powders were studied by ultrasonic gas atomization at 6MPa. The results show that the cooling rate is due to the different morphology and structure of the particles with different sizes