Lg Chem, Ltd

Ik Jin Choi

Soon Jae Kwon

Hyounsoo Uh

Byung Kyu Lim

In Gyu Kim

Pum Suk Park

Jung Won Park

Jung Goo Lee

Hyoun Soo Uh

June Ho In

A method for preparing a sintered magnet is provided according to one embodiment of the present disclosure. The method includes preparing a mixed powder by coating fluorides on a surface of magnetic powder, adding heavy rare earth hydrides to the mixed powder, and heating the mixed powder, wherein the magnetic powder includes rare earth element-iron-boron-based powder, and the fluorides include at least one of an organic fluoride or an inorganic fluoride.

Method for preparing sintered magnet and sintered magnet

A method for preparing a metal powder includes preparing a mixture by mixing a fluoride of a group 1 element, a fluoride of a group 2 element or a transition metal fluoride, with neodymium oxide, boron, iron, and a reducing agent; and heating the mixture at a temperature of 800&#xb0; C. to 1100&#xb0; C.

Method for preparing metal powder, and metal powder

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Daejeon, South Korea

Ik Jin Choi