Phase Evolution During Extraction and Recovery of Pure Nd from Magnet

• DOI: 10.24425/amm.2021.136414
• Publication Date: 2023-07-20T16:52:56Z
• Authors: Mohammad Zarar Ra...; Sun-Woo Nam; Sang-Hoon Lee; Sang-Min Park; Ju-Young Cho; Taek-Soo Kim
• Keywords: Industrial chemistry; Materials processing

Phase evolution During extraction anD recovery of Pure nd from magnetLiquid Metal process using molten Mg was carried out to obtain Nd-Mg alloys Nd based permanent magnets at 900 o C for 24 h.with a magnet magnesium mass ratio 1:10.Nd successfully extracted into resulting in ~4 wt.% alloy.Nd recovered the obtained on difference their vapor pressures vacuum distillation.Vacuum distillation experiments were 800 under 2.67 Pa various times high purity Nd.Nd having more than 99% time 120 min and above.The phase transformations alloy during process, 12 α-Nd, confirmed as per diagram different times.Pure result two step recycling process; Liquid followed by Vacuum distillation.