公开(公告)号：KR1020030085746A

公开(公告)日：2003-11-07

申请号：KR1020020023973

申请日：2002-05-01

Applicant: 한국과학기술연구원

Inventor： 심재혁 ,  조영환 ,  변정수

IPC: B22F9/04 ,  B82Y40/00

Abstract: PURPOSE: A fabrication method of nanocrystalline titanium nitride/titanium-metal compound composite powder by forming titanium nitride and titanium intermetallic compound by reaction milling using titanium and metal nitride as raw material powder is provided. CONSTITUTION: The method comprises the processes of mixing titanium (Ti) powder having purity of 95% or more and particle size of 100 nm or less with metal nitride powder having purity of 95% or more and particle size of 50 nm or less in a mole ratio of 1:1 to 20:1; injecting the mixture along with balls having diameter of 5 to 30 mm into a reaction jar; introducing argon (Ar), nitrogen or air into a reaction chamber; and performing high energy ball milling on the mixture, wherein the metal nitride is selected from boron nitride (BN), silicon nitride (Si3N4) and aluminum nitride (AlN), wherein the reaction chamber and balls are made of tool steel, stainless steel, hard metal or zirconia, wherein the mixture and balls are injected into the reaction chamber in a weight ratio of 1:1 to 1:100, wherein the milling process is performed using shaker mill, planetary mill or attritor mill, wherein particle size of powder formed by the reaction milling is 10 nm or less, and wherein the milling process is performed for 1 to 48 hours.

Abstract translation: 目的：提供通过使用钛和金属氮化物作为原料粉末的反应研磨形成氮化钛和钛金属间化合物的纳米晶体氮化钛/钛金属复合粉末的制造方法。 构成：该方法包括将纯度为95％以上，粒径为100nm以下的钛（Ti）粉末与纯度为95％以上，粒度为50nm以下的金属氮化物粉末混合在一起的方法 摩尔比为1：1至20：1; 将混合物与直径为5至30mm的球注入反应罐中; 将氩（Ar），氮气或空气引入反应室; 并对所述混合物进行高能球磨，其中所述金属氮化物选自氮化硼（BN），氮化硅（Si 3 N 4）和氮化铝（AlN），其中所述反应室和球由工具钢，不锈钢， 硬质金属或氧化锆，其中混合物和球以1:1至1:100的重量比注入反应室中，其中研磨过程使用振动筛研磨机，行星式磨机或磨碎机进行，其中粉末的粒径 通过反应研磨形成的是10nm以下，并且其中研磨过程进行1至48小时。

公开(公告)号：KR100456797B1

公开(公告)日：2004-11-10

申请号：KR1020020023973

申请日：2002-05-01

Applicant: 한국과학기술연구원

Inventor： 심재혁 ,  조영환 ,  변정수

IPC: B22F9/04 ,  B82Y40/00

Abstract: PURPOSE: A fabrication method of nanocrystalline titanium nitride/titanium-metal compound composite powder by forming titanium nitride and titanium intermetallic compound by reaction milling using titanium and metal nitride as raw material powder is provided. CONSTITUTION: The method comprises the processes of mixing titanium (Ti) powder having purity of 95% or more and particle size of 100 nm or less with metal nitride powder having purity of 95% or more and particle size of 50 nm or less in a mole ratio of 1:1 to 20:1; injecting the mixture along with balls having diameter of 5 to 30 mm into a reaction jar; introducing argon (Ar), nitrogen or air into a reaction chamber; and performing high energy ball milling on the mixture, wherein the metal nitride is selected from boron nitride (BN), silicon nitride (Si3N4) and aluminum nitride (AlN), wherein the reaction chamber and balls are made of tool steel, stainless steel, hard metal or zirconia, wherein the mixture and balls are injected into the reaction chamber in a weight ratio of 1:1 to 1:100, wherein the milling process is performed using shaker mill, planetary mill or attritor mill, wherein particle size of powder formed by the reaction milling is 10 nm or less, and wherein the milling process is performed for 1 to 48 hours.

Abstract translation: 目的：提供一种通过使用钛和金属氮化物作为原料粉末通过反应研磨来形成氮化钛和钛金属间化合物的纳米晶氮化钛/钛 - 金属化合物复合粉末的制造方法。 该方法包括以下步骤：将具有95％或更高的纯度和100nm或更小的粒度的钛（Ti）粉末与纯度为95％或更高且粒径为50nm或更小的金属氮化物粉末 摩尔比为1：1至20：1; 将该混合物与直径为5至30mm的球一起注入反应罐中; 将氩（Ar），氮气或空气引入反应室; 对所述混合物进行高能球磨，所述金属氮化物选自氮化硼（BN），氮化硅（Si3N4）和氮化铝（AlN），所述反应室和球体由工具钢，不锈钢， 硬金属或氧化锆，其中混合物和球以1：1至1：100的重量比注入反应室中，其中研磨过程使用振动研磨机，行星式研磨机或超微磨碎机进行，其中粉末 通过反应研磨而形成的颗粒为10nm或更小，并且其中研磨过程进行1至48小时。