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BORON NITRIDE NOZZLE FOR NEODYMIUM ALLOY MANUFACTURE, AND MANUFACTURING METHOD OF NEODYMIUM ALLOY USING NOZZLE
PROBLEM TO BE SOLVED: To provide a nozzle for a neodymium alloy manufacture capable of having a long useful life when being used for manufacture of the neodymium alloy, and capable of manufacturing an efficient and stable neodymium alloy.SOLUTION: A nozzle for a neodymium alloy manufacture constituted of a sintered body containing boron nitride, contains boron nitride at the rate of 50.0 wt% or more and 97.5 wt% or less, and does not contain oxide or nitride of Al, Zr, Mg, Si or Hf excluding inevitable impurities.SELECTED DRAWING: Figure 1
【課題】ネオジム合金の製造で用いた際に長い耐用寿命を有することができ、効率的かつ安定的なネオジム合金の製造を可能とするネオジム合金製造用ノズルの提供。【解決手段】ネオジム合金製造用の、窒化ホウ素を含む焼結体から構成されるノズルであって、窒化ホウ素を５０．０ｗｔ％以上９７．５ｗｔ％以下の割合で含み、不可避的な不純物を除いてＡｌ、Ｚｒ、Ｍｇ、Ｓｉ、もしくはＨｆの酸化物または窒化物を含まないことを特徴とする。【選択図】図１
BORON NITRIDE NOZZLE FOR NEODYMIUM ALLOY MANUFACTURE, AND MANUFACTURING METHOD OF NEODYMIUM ALLOY USING NOZZLE
PROBLEM TO BE SOLVED: To provide a nozzle for a neodymium alloy manufacture capable of having a long useful life when being used for manufacture of the neodymium alloy, and capable of manufacturing an efficient and stable neodymium alloy.SOLUTION: A nozzle for a neodymium alloy manufacture constituted of a sintered body containing boron nitride, contains boron nitride at the rate of 50.0 wt% or more and 97.5 wt% or less, and does not contain oxide or nitride of Al, Zr, Mg, Si or Hf excluding inevitable impurities.SELECTED DRAWING: Figure 1
【課題】ネオジム合金の製造で用いた際に長い耐用寿命を有することができ、効率的かつ安定的なネオジム合金の製造を可能とするネオジム合金製造用ノズルの提供。【解決手段】ネオジム合金製造用の、窒化ホウ素を含む焼結体から構成されるノズルであって、窒化ホウ素を５０．０ｗｔ％以上９７．５ｗｔ％以下の割合で含み、不可避的な不純物を除いてＡｌ、Ｚｒ、Ｍｇ、Ｓｉ、もしくはＨｆの酸化物または窒化物を含まないことを特徴とする。【選択図】図１
BORON NITRIDE NOZZLE FOR NEODYMIUM ALLOY MANUFACTURE, AND MANUFACTURING METHOD OF NEODYMIUM ALLOY USING NOZZLE
ネオジム合金製造用の窒化ホウ素ノズルおよび当該ノズルを用いたネオジム合金の製造方法
SHIOTSUKI HIROYUKI (author) / NONAKA SHUHEI (author) / NISHIKAWA MASATO (author) / NAGATA TAKEHARU (author) / FUSHII YASUTO (author)
2017-12-07
Patent
Electronic Resource
Japanese
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