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    • 3. 发明公开
    • 플라즈마 처리를 통한 구형 티타늄 분말의 제조방법 및 이에 따라 제조된 구형 티타늄 분말
    • 通过等离子体处理和球状钛粉的球形钛粉的制造方法
    • KR1020140040477A
    • 2014-04-03
    • KR1020120107188
    • 2012-09-26
    • 한국기계연구원
    • 양상선윤중열김용진임태수최한신
    • B22F9/14B22F9/04B22F1/00
    • B22F9/14B22F1/0011B22F1/0048B22F9/04B22F2009/001B22F2301/205
    • The purpose of the present invention is to provide a method for manufacturing spherical titanium powder through a plasma treatment and the spherical titanium powder manufactured thereby. The provided manufacturing method of the spherical titanium powder according to the present invention for the purpose comprises: a step (step 1) of hydrogenating titanium scraps; a step (step 2) of manufacturing titanium hydride powder by pulverizing titanium hydrogenated in the step 1; and a step (step 3) of manufacturing the spherical titanium powder by applying the plasma treatment to the titanium hydride powder manufactured in the step 2 by pulverizing the hydrogenated titanium. In addition, the provided spherical titanium powder manufactured by the method according to the present invention for the purpose has a granularity of 5 to 100nm or 500 to 200 μm. According to the present invention, the titanium powder manufactured through an existing hydrogenation-dehydrogenation process (H-DH process) from which a dehydrogenation process is excluded is applied with the plasma treatment and is sintered so that a manufacturing process for the titanium powder can be simplified, and, as a result, economic feasibility in the manufacturing process can be improved. In addition, the angled titanium hydride powder manufactured by pulverizing the hydrogenated titanium can be formed into spherical shapes by being applied with the plasma treatment; the particle size of the titanium hydride powder can be reduced; and hydrogen and impurities can be removed from inside the titanium hydride powder. [Reference numerals] (AA) Ti powder (hydrogenation process only + plasma treatment)
    • 本发明的目的是提供一种通过等离子体处理制造球形钛粉末的方法和由此制备的球形钛粉末。 所提供的本发明的球形钛粉末的制造方法为:将钛废料氢化的工序(工序1) 通过粉碎在步骤1中氢化的钛制造氢化钛粉末的步骤(步骤2) 以及通过对氢化钛进行粉碎而对步骤2中制造的氢化钛粉末进行等离子体处理来制造球形钛粉末的步骤(步骤3)。 此外,通过本发明的方法制造的所提供的球状钛粉末的粒度为5〜100nm或500〜200μm。 根据本发明,通过等离子体处理对通过现有的氢化 - 脱氢方法(H-DH工艺)进行脱氢处理而制造的钛粉末进行等离子体处理,并进行烧结,使钛粉末的制造工序为 简化,从而可以提高制造过程中的经济可行性。 此外,通过粉碎氢化钛制成的角钛氢化物粉末可以通过施加等离子体处理而形成球形; 可以减少氢化钛粉末的粒径; 可以从氢化钛粉末内部除去氢和杂质。 (附图标记)(AA)Ti粉末(仅氢化处理+等离子体处理)
    • 6. 发明公开
    • 구형 티타늄 분말의 제조방법 및 이에 따라 제조된 구형 티타늄 분말
    • 球形钛粉和球状钛粉的制造方法
    • KR1020140040476A
    • 2014-04-03
    • KR1020120107187
    • 2012-09-26
    • 한국기계연구원
    • 양상선윤중열김용진임태수최한신
    • B22F9/14B22F9/04B22F1/00
    • B22F9/14B22F1/0011B22F1/0048B22F9/04B22F2009/001
    • The purpose of the present invention is to provide a manufacturing method of spherical titanium powder and the spherical titanium powder manufactured thereby. The provided manufacturing method of the spherical titanium powder according to the present invention for the purpose comprises: a step (step 1) of hydrogenating titanium scraps; a step (step 2) of manufacturing angled titanium hydride powder by pulverizing titanium hydrogenated in the step 1; a step (step 3) of manufacturing angled titanium powder by applying a vacuum heat treatment to the angled titanium hydride powder manufactured in the step 2 by pulverizing the hydrogenated titanium; and a step (step 4) of manufacturing the spherical titanium powder by applying a plasma treatment to the angled titanium powder manufactured in the step 3. In addition, the provided spherical titanium powder manufactured by the method according to the present invention for the purpose has a granularity of 5 to 100nm or 500 to 200 μm. According to the present invention, through the plasma treatment, the angled titanium powder manufactured through an existing hydrogenation-dehydrogenation process (H-DH process) can be formed into spherical shapes to be used in metal injection molding; the particle size of the titanium powder can be reduced; and impurities can be removed from inside the titanium powder. [Reference numerals] (AA) Ti powder (H-DH process + plasma treatment)
    • 本发明的目的是提供一种球形钛粉及其制造的球形钛粉的制造方法。 所提供的本发明的球形钛粉末的制造方法为:将钛废料氢化的工序(工序1) 步骤(步骤2)通过在步骤1中粉碎氢化的钛来制造倾斜的氢化钛粉末; 通过对氢化钛粉碎的步骤2中制造的倾斜氢化钛粉末进行真空热处理来制造倾斜钛粉末的步骤(步骤3); 以及通过对在步骤3中制造的倾斜钛粉末进行等离子体处理来制造球形钛粉末的步骤(步骤4)。此外,通过本发明的方法制造的球形钛粉末为此目的具有 粒度为5至100nm或500至200μm。 根据本发明,通过等离子体处理,通过现有的氢化 - 脱氢方法(H-DH工艺)制造的成角钛粉可以形成为用于金属注射成型的球形; 可以减少钛粉末的粒径; 并且可以从钛粉内部除去杂质。 (AA)Ti粉末(H-DH工艺+等离子体处理)
    • 10. 发明公开
    • 철 분말의 제조방법
    • 铁粉的制造工艺
    • KR1020130027602A
    • 2013-03-18
    • KR1020110039473
    • 2011-04-27
    • 강신규
    • 강신규
    • B22F9/04
    • B22F9/04B22F2009/001B22F2301/35
    • PURPOSE: A manufacturing method of iron powder is provided to simplify complex manufacturing processes by crushing iron scrap under 30 mm of a diameter with a crusher after inputting the iron scrap into liquid nitrogen and quickly cooling the iron scrap to be - 195.8 °c. CONSTITUTION: A manufacturing method of iron powder comprises a step of quickly cooling iron scrap by inputting the iron scrap into liquid nitrogen; a step of crushing the cooled iron scrap with a crusher; and a step of selecting the crushed iron scrap. The iron scrap is comprised of over 98 % by weight of iron, under 0.1 % by weight of silicon, under 0.35 % by weight of manganese, under 0.05 % by weight of carbon, under 0.02 % by weight of sulfur, under 0.02 % by weight of phosphorus. A diameter of the iron scrap is less than 30 mm. The iron scrap is quickly cooled to be - 195.8 °c. The liquid nitrogen in a stainless beaker, in which the iron scrap is inputted, is remove after evaporation and boiling phenomenon of the liquid nitrogen are stopped, and the iron scrap in - 195.8 °c is inputted in a hammer mill to be crushed. The crushed iron powder is collected through an outlet of the hammer mill, and the outlet of the hammer mill comprises a sorting mesh in 100 um sizes.
    • 目的:提供铁粉的制造方法,通过在将铁废料输入液氮后将破碎机的直径为30mm的铁屑粉碎,并将铁屑快速冷却至195.8℃,从而简化复杂的制造工艺。 构成:铁粉的制造方法包括通过将铁废料输入液氮来快速冷却废铁的步骤; 用破碎机粉碎冷却的废铁的步骤; 并选择碎铁屑的步骤。 废铁由超过98重量%的铁,0.1重量%以下的硅,0.35重量%以下的锰,0.05重量%以下的碳,0.02重量%以下的硫,0.02重量%以下 磷重量。 废铁的直径小于30mm。 废铁快速冷却至195.8℃。 输入废铁的不锈钢烧杯中的液氮在蒸发后被除去,液氮的沸腾现象停止,而在195.8℃的废铁输入锤式粉碎机粉碎。 粉碎的铁粉通过锤磨机的出口收集,锤磨机的出口包括100um尺寸的分选筛网。