The fine powders of Mn-Zn ferrites with uniform size were prepared via chemical co-precipitation method. X-ray diffracti......

研究了烧结Ｎｄ－Ｆｅ－Ｂ磁体制作过程中从原材料、熔炼，粗破碎，气流磨，压型一直到烧结的各个环节中磁粉／体中氧含量的变化情况，观察到：在带筛球磨到气......