阅读说明：本技术 MnAl合金、其颗粒和生产方法 (MnAl alloy, particles thereof and production method ) 是由 方海梁 M·H·萨尔伯格 B·斯卡尔曼 于 2018-09-03 设计创作，主要内容包括：本发明涉及式(Mn<Sub>x</Sub>Al<Sub>y</Sub>)C<Sub>z</Sub>所示的合金,所述合金由铝(Al)、锰(Mn)和碳(C)和任选的不可避免的杂质组成；其中x＝56.0至59.0,y＝41.0至44.0,x+y＝100,且z＝1.5至2.4。所述合金非常适用于形成高纯度和高微结构均质性的ε和τ相。本发明进一步涉及加工式(Mn<Sub>x’</Sub>Al<Sub>y’</Sub>)C<Sub>z’</Sub>的合金的方法,其中x’＝52.0至59.0,y’＝41.0至48.0,x’+y’＝100,且z’＝0.1至3.0,所述方法包含一个或多个下列步骤：a.提供所述合金的原材料、熔融所述原材料和通过熔融合金的气体雾化形成所述合金的颗粒；b.在900-1200℃下对所述合金进行热处理；c.在-20℃或更低,优选-100℃或更低,更优选-150℃或更低的温度下研磨式(II)所示的合金；和/或d.在900至1000℃的温度下对式(II)所示的合金的颗粒进行热处理0.5至20分钟,优选5至15分钟的时间。这些工艺步骤各自,单独地和组合地,促进形成具有高相纯度的合金并能够获得具有改进的磁性质的MnAl合金。(The present invention relates to a compound of formula (Mn) x Al y )C z The alloy of (a), consisting of aluminum (Al), manganese (Mn), and carbon (C), and optionally unavoidable impurities; wherein x is 56.0 to 59.0, y is 41.0 to 44.0, x + y is 100, and z is 1.5 to 2.4. The alloys are well suited for forming high purity and high microstructural homogeneity and tau phases. The invention further relates to the processed formula (Mn) x’ Al y’ )C z’ Wherein x' is 520 to 59.0, y '═ 41.0 to 48.0, x' + y '═ 100, and z' ═ 0.1 to 3.0, the method comprising one or more of the following steps: a. providing a raw material of the alloy, melting the raw material and forming particles of the alloy by gas atomization of the molten alloy; b. heat treating the alloy at 900-1200 ℃; c. milling the alloy of formula (II) at a temperature of-20 ℃ or less, preferably-100 ℃ or less, more preferably-150 ℃ or less; heat treating the particles of the alloy of formula (II) at a temperature of 900 to 1000 ℃ for a time of 0.5 to 20 minutes, preferably 5 to 15 minutes. Each of these process steps, individually and in combination, facilitates the formation of alloys with high phase purity and enables the obtaining of MnAl alloys with improved magnetic properties.)