论文部分内容阅读
The alkaline treatment of NdFeB powders in NaOH solution with various equivalents of NaOH and the leaching of its resultant powders in 0.5M H2SO4 solution at 25℃ were performed.At 5 equivalent of NaOH,neodymium in NdFeB powders was partially transformed to neodymium hydroxide.