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公开(公告)号：KR101823890B1
公开(公告)日：2018-02-01
申请号：KR1020120087796
申请日：2012-08-10
Abstract: 본발명은강의가스질화처리방법에관한것으로, 강을노(furnace)에장입하는단계, 열처리하는단계및 냉각하는단계를포함하는강의가스질화처리방법에있어서, 열처리온도(T) 및질화처리상수(K)를제어하여상기강의표면에γ' 단일상의화합물층을생성함으로써, 상기강의인성(靷性)을향상시키는것을특징으로하는강의가스질화처리방법에관한것이다.
Abstract translation: 气体氮化方法技术领域本发明涉及一种用于钢的气体氮化方法，该气体氮化方法包括用于将钢装入炉中的步骤，热处理步骤和冷却步骤; 更具体地说，涉及通过控制热处理温度（T）和氮化常数（KN）而在钢的表面上产生单相γ'的化合物层来提高钢的韧性的钢的气体氮化方法 ）。
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公开(公告)号：KR1020110061370A
公开(公告)日：2011-06-09
申请号：KR1020090117993
申请日：2009-12-01
Abstract: PURPOSE: An alloy steel for low temperature vacuum cementation is provided to improve the improvement effect of thermal transformation according to thermal process of annulus gear. CONSTITUTION: An alloy steel for low temperature vacuum cementation comprises C 0.17~0.24 weight%, Cr 0.8~1.2 weight%, Mn 0.4~0.8 weight%, Si 0.80~1.20 weight%, P less than 0.020 weight%, and remainder Fe. Vehicle transmission gears are processed under cementation quenching heat-treatment.
Abstract translation: 目的：提供用于低温真空胶结的合金钢，以根据环形齿轮的热过程提高热变形的改进效果。 构成：用于低温真空胶结的合金钢包括C 0.17〜0.24重量％，Cr 0.8〜1.2重量％，Mn 0.4〜0.8重量％，Si 0.80〜1.20重量％，P小于0.020重量％，余量为Fe。 车辆传动齿轮在胶结淬火热处理下进行加工。
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公开(公告)号：KR101327136B1
公开(公告)日：2013-11-07
申请号：KR1020110094132
申请日：2011-09-19
Abstract: Fe를 주성분으로 하고, C : 0.25~0.40 wt%, Mn : 0.50~1.0 wt%, Cr : 2.0~3.0 wt%, Mo : 0.3~1.0 wt%, Cu : 0.2~0.7 wt%, Nb : 0.03~0.1 wt%, Al : 0.03~0.1 wt%, V : 0.05~0.15 wt%, B : 0.001~0.005 wt% 및 기타 불가결한 불순물을 포함하는 조성의 질화강을 이용하여 단계적으로 온도를 높이는 반면 질소의 비율은 낮추는 고인성 가스 질화공법으로 제조된 고강도 변속기기어 및 그 제조방법이 소개된다.
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公开(公告)号：KR1020130030569A
公开(公告)日：2013-03-27
申请号：KR1020110094132
申请日：2011-09-19
Abstract: PURPOSE: A high intensity transmission gear and a manufacturing method thereof are provided to manufacture a transmission gear by implementing a shape control nitride heat treatment to high intensity fine grain nitralloy. CONSTITUTION: Nitralloy is used. Temperature is gradually increased. The rate of nitrogen is lowered. The nitralloy is mainly made of Fe. The nitralloy comprises C, Mn, Cr, Mo, Cu, Nb, Al, V, B, and inevitable impurities. A processing stage processes the nitralloy into a gear shape. A high toughness gas nitride stage gradually increases the temperature of processed materials. The high toughness gas nitride stage lowers the rate of nitrogen gas. The high toughness gas nitride stage forms a nitrogen compound. A forging stage hot forges a nitralloy composition before annealing. [Reference numerals] (AA) Material; (BB) Hot forging(die forging); (CC) Turning; (DD) Hobbing; (EE) Precision shaving; (FF) High toughness gas nitride stage
Abstract translation: 目的：提供一种高强度传动齿轮及其制造方法，通过对高强度细晶粒氮化合物进行形状控制氮化物热处理来制造传动齿轮。 构成：使用Nitralloy。 温度逐渐升高。 氮的速率降低。 硝化镍主要由铁制成。 氮化合物包括C，Mn，Cr，Mo，Cu，Nb，Al，V，B和不可避免的杂质。 处理阶段将氮化合金加工成齿轮形状。 高韧性气体氮化物阶段逐渐增加加工材料的温度。 高韧性气体氮化物级降低氮气的比例。 高韧性气体氮化物层形成氮化合物。 锻造阶段在退火前热锻氮化合金组成。 （附图标记）（AA）材料; （BB）热锻（锻模）; （CC）车削; （DD）滚齿; （EE）精密剃须; （FF）高韧性气体氮化物台
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公开(公告)号：KR100999151B1
公开(公告)日：2010-12-08
申请号：KR1020080087666
申请日：2008-09-05
Abstract: 진공 침탄로를 이용하여 부품을 A
1 ~A
3 온도 영역 내의 비교적 저온에서 침탄시킨 후 고압 가스로 소입시키는 침탄 열처리 방법이 소개된다. 여기서의 부품은 탄소를 0.10~0.35wt%의 범위 내에서 함유하는 통상적인 침탄용 합금강이다. 이 방법은, 애뉼러스 기어 같이 열변형에 민감한 스틸 부품의 침탄 열처리에, 플러그 소입을 이용한 기존의 가스 침탄법을 대체하여 적용될 수 있다.
애뉼러스 기어, 열변형, 침탄, 열처리-
Patent Agency Ranking
公开(公告)号：KR1020100028779A
公开(公告)日：2010-03-15
申请号：KR1020080087666
申请日：2008-09-05
Abstract: PURPOSE: A carburization method and a vehicle component carburized by the method are provided to maintain the initial shape of a component with reduced thermal deformation rate by keeping the initial ferrite not phase-changed during carburization in the deep part of the component. CONSTITUTION: A carburization method comprises the steps of: heating a vehicle component to a carburizing temperature within A1~A3 temperature range, carburizing the component surface while supplying carburizing gas, and quenching the part with high pressure gas so that a martensitic phase is formed on the surface and a mixed phase of martensite and initial ferrite not phase-changed are formed in the deep part.
Abstract translation: 目的：通过该方法渗碳的渗碳方法和车辆部件被设置为通过在部件的深部中的渗碳期间保持初始铁氧体不相变而保持具有降低的热变形率的部件的初始形状。 构成：渗碳方法包括以下步骤：将车辆部件加热至A1〜A3温度范围内的渗碳温度，在提供渗碳气体的同时对组分表面进行渗碳，并用高压气体淬火该部件，使马氏体相形成于 在深部形成马氏体的表面和混合相，而不是相变的初始铁素体。
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公开(公告)号：KR1020090062426A
公开(公告)日：2009-06-17
申请号：KR1020070129665
申请日：2007-12-13
IPC: C22C38/00
Abstract: A steel composition for induction hardened transmission shaft is provided to produce a material with very high durability in comparison with the high intensity alloy steel and to apply the material to a transmission shaft through high-frequency heat treatment. A steel composition for induction hardened transmission shaft is composed of Fe mainly, C 0.5~0.6 weight%, Si 0.60~0.80 weight%, Mn 0.45~0.55 weight%, P 0.020 weight% or less, S 0.020 weight% or less, Cr 0.45~0.55 weight%, Mo 0.15~0.25 weight%, Nb 0.015~0.025 weight%, B 20~40 ppm, and dissolved oxygen less than 10ppm added for cleanness of alloy. C serves to secure a proper surface hardness after the high frequency carburization. Si serves to improve the transmission shaft property by enhancing the contact fatigue property.
Abstract translation: 提供一种用于感应淬火传动轴的钢组合物以生产与高强度合金钢相比具有非常高的耐久性的材料，并通过高频热处理将该材料施加到传动轴上。 用于感应淬火传动轴的钢组合物主要由C组成，C为0.5〜0.6重量％，Si 0.60〜0.80重量％，Mn 0.45〜0.55重量％，P为0.020重量％以下，S为0.020重量％以下，Cr 0.45〜0.55重量％，Mo 0.15〜0.25重量％，Nb 0.015〜0.025重量％，B 20〜40ppm，溶解氧少于10ppm加入合金清洁度。 C用于在高频渗碳之后确保适当的表面硬度。 Si用于通过提高接触疲劳特性来提高传动轴的性能。
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公开(公告)号：KR1020140021775A
公开(公告)日：2014-02-20
申请号：KR1020120087796
申请日：2012-08-10
Abstract: The present invention relates to a gas nitriding method for steel, the gas nitriding method comprising a step for charging steel into a furnace, a heat treating step, and a cooling step; and more specifically, to a gas nitriding method for steel which is provided to improve toughness of steel by generating a compound layer of a single phase γ' on a surface of the steel by controlling heat treatment temperature (T) and a nitriding constant (KN).
Abstract translation: 本发明涉及一种钢的气体氮化方法，该气体氮化方法包括将钢装入炉中的步骤，热处理步骤和冷却步骤; 更具体地说，涉及通过控制热处理温度（T）和氮化常数（KN）而在钢的表面上生成单相γ'的化合物层而提供的钢的气体氮化方法，其用于提高钢的韧性 ）。
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公开(公告)号：KR100901572B1
公开(公告)日：2009-06-08
申请号：KR1020070083644
申请日：2007-08-20
Abstract: 본 발명은 자동변속기용 애뉼러스 기어의 열처리 방법에 관한 것으로서, 더욱 상세하게는 기존의 가스침탄법과 달리, 진공침탄 및 다이나믹 가스소입을 포함하는 열처리를 실시하여, 애뉼러스 기어의 열변형을 감소시킬 수 있도록 한 자동변속기용 애뉼러스 기어의 열처리 방법에 관한 것이다.
이를 위해, 본 발명은 애뉼러스 기어를 900℃~980℃에서 1시간 30분 동안 진공침탄 열처리하는 공정과; A1 변태온도의 40~100℃ 위의 온도까지 20℃/분의 냉각속도로 제어 냉각을 실시하는 공정과; 제어 냉각된 제품을 20~40분 동안 상온 유지시키는 공정과; 열변형을 감소시키기 위한 다단계 가스소입을 실시하는 공정; 을 포함하여 이루어진 것을 특징으로 하는 자동변속기용 애뉼러스 기어의 열처리 방법을 제공한다.
애뉼러스 기어, 열처리 방법, 진공 침탄, 다단계 가스 소입-
公开(公告)号：KR1020090019320A
公开(公告)日：2009-02-25
申请号：KR1020070083644
申请日：2007-08-20
Abstract: A heat treatment method of an annular gear for an auto transmission is provided to decrease a thermal transformation of the annular gear by processing the heat treatment including a vacuum carburizing and a dynamic gas quenching. A heat treatment method of an annular gear for an auto transmission comprises the following steps of: performing a heat treatment of the annular gear for an auto transmission; performing a vacuum carburizing heat treatment the annular gear at 900°C~980°C for one hour thirty minutes; performing a control cooling of a product; maintaining the product at a fixed temperature for 20~40 minutes; and performing a gas quenching for reducing a thermal transformation.
Abstract translation: 提供一种用于自动变速器的环形齿轮的热处理方法，通过加工包括真空渗碳和动态气体淬火的热处理来减小环形齿轮的热转变。 用于自动变速器的环形齿轮的热处理方法包括以下步骤：对用于自动变速器的环形齿轮进行热处理; 在900°C〜980°C的环形齿轮进行1小时30分钟的真空渗碳热处理; 对产品进行控制冷却; 将产品保持在固定温度20〜40分钟; 并进行气体淬火以减少热转变。
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