POWDER COMPOSITION FOR MANUFACTURING BOND MAGNET, AND MAGNETIC ANISOTROPIC PERMANENT MAGNET, AND MANUFACTURE OF MAGNETIC ANISOTROPIC PERMANENT MAGNET

摘要

PURPOSE: To provide a powder composition for manufacturing a bond magnet excellent in magnetic property and easy of molding and a magnetic anisotropic magnetic permanent magnet using the composition, and the manufacture of the magnetic anisotropic permanent magnet. ;CONSTITUTION: A powder composition for manufacturing a bond magnet is one being made by heat-treating the mixture consisting of 13-18wt.% metallic neodymium powder, 4-10wt.% boron powder in the shape of elements, and the remainder of aluminum phosphate-covered acicular iron particles in reductive gas atmosphere containing hydrogen at first at a temperature of 600C or over, and next, in inert gas atmosphere, and a magnetic anisotropic magnet can be gotten by mixing a binder into this powder composition and heating and compressing it under the existence of a magnetic field molding.;COPYRIGHT: (C)1995,JPO