Nd-Fe-B ribbon magnet and preparation method for same

• Main Authors: YIN FUXING, BU SHAOJING, LIU SHUAI, ZHU AN, SUN JIBING
• Format: Patent
• Language: Chinese; English
• Published: 15.08.2017
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; INDUCTANCES; MAGNETS; METALLURGY; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention provides an Nd-Fe-B ribbon magnet and a preparation method for the same and relates to rare-earth-iron-based permanent magnet alloy. A general formula of composition elements of the Nd-Fe-B ribbon magnet is NdaFebBcAldNieCofCugTihSiiNbj; Alnico alloy of various amounts is added to the Nd-Fe-B alloy, which is equal to add multi-component Alnico alloy to the Nd-Fe-B alloy in a regular way; and an Nd-Fe-B ribbon magnet with the general formula of component element of NdaFebBcAldNieCofCugTihSiiNbj can be prepared by the method. A deficiency in the prior art can be overcome that after a single element is added, other performance is reduced or changed and further performance is way lower than a theoretical value when one or a limited number of performance of the magnet material is improved; and also, a deficiency of inconvenient post-research due to the lack of rules when various elements are added can be overcome. 本发明种Nd-Fe-B薄带磁体及其制备方法，涉及稀土铁基永磁合金，该Nd-Fe-B薄带磁体的元素组成成分通式为NdFeBAlNiCoCuTiSiNb，由在Nd-Fe-B合金组