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BORON NITRIDE CRUCIBLE FOR PRODUCTION OF NEODYMIUM ALLOY AND METHOD FOR PRODUCING NEODYMIUM ALLOY USING CRUCIBLE
PROBLEM TO BE SOLVED: To provide a crucible for the production of a neodymium alloy that has a long useful life when used in the production of a neodymium alloy, and enables a neodymium alloy to be produced efficiently and stably.SOLUTION: The present invention provides a crucible for the production of a neodymium alloy that is composed of a sintered body containing boron nitride. The crucible contains boron nitride 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坩堝の提供。【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坩堝であって、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 CRUCIBLE FOR PRODUCTION OF NEODYMIUM ALLOY AND METHOD FOR PRODUCING NEODYMIUM ALLOY USING CRUCIBLE
PROBLEM TO BE SOLVED: To provide a crucible for the production of a neodymium alloy that has a long useful life when used in the production of a neodymium alloy, and enables a neodymium alloy to be produced efficiently and stably.SOLUTION: The present invention provides a crucible for the production of a neodymium alloy that is composed of a sintered body containing boron nitride. The crucible contains boron nitride 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坩堝の提供。【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坩堝であって、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 CRUCIBLE FOR PRODUCTION OF NEODYMIUM ALLOY AND METHOD FOR PRODUCING NEODYMIUM ALLOY USING CRUCIBLE
ネオジム合金製造用の窒化ホウ素坩堝および当該坩堝を用いたネオジム合金の製造方法
SHIOTSUKI HIROYUKI (Autor:in) / NONAKA SHUHEI (Autor:in) / NISHIKAWA MASATO (Autor:in) / NAGATA TAKEHARU (Autor:in) / FUSHII YASUTO (Autor:in)
07.12.2017
Patent
Elektronische Ressource
Japanisch
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