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    • 2. 发明公开
    • 질화 금속
    • 金属氮化物
    • KR1020080088554A
    • 2008-10-02
    • KR1020080089324
    • 2008-09-10
    • 일진제강(주)
    • 정희원이동녕박영준김동삼오규환심인충
    • C23C8/50C23C8/48
    • A metal nitride is provided to harden a surface of steel and obtain abrasion resistance and corrosion resistance by increasing hardness and tensile strength of the metal through salt nitriding. A metal nitride is nitrided in a salt bath having at least one of KNO3, KNO2, Ca(NO3)2, NaN03, and NaNo2 in which a base is a non-cyanogen molten salt. The base is carbon steel or IF steel. The metal nitride has a nitride layer which is formed by nitride diffusion. A compound layer having iron and nitrogen is not contacted in the surface of the metal nitride.
    • 提供金属氮化物以通过增加通过盐氮化的金属的硬度和拉伸强度来硬化钢的表面并获得耐磨性和耐腐蚀性。 在具有KNO 3,KNO 2,Ca(NO 3)2,NaNO 3和NaN 2)中的至少一种的盐浴中氮化金属氮化物,其中碱是非氰化熔盐。 基座为碳钢或IF钢。 金属氮化物具有通过氮化物扩散形成的氮化物层。 具有铁和氮的复合层在金属氮化物的表面不接触。
    • 7. 发明授权
    • 스크롤압축기용 스윙링크 및 그 표면처리방법
    • 滚动式压缩机的旋转连接器及其表面处理方法
    • KR101138344B1
    • 2012-04-26
    • KR1020110056093
    • 2011-06-10
    • 이래오토모티브시스템 주식회사
    • 윤은영최용완주상현배재현신진영이재욱
    • C23C8/48C23C8/02
    • C23C8/02C23C8/32
    • PURPOSE: A swing link for a scroll compressor and a method of treating the surface of the same are provided to enhance surface hardness since a carbon nitride compound layer is uniformly formed on the surface of a swing link through low-temperature tufftriding treatment. CONSTITUTION: A method of treating the surface of a swing link for a scroll compressor comprises next steps. The swing link is cooled after being maintained at a temperature of 480~660°C for 120±10 minutes(S1). The swing link is air-quenched after being maintained at a temperature of 820~930°C for 180±10 minutes(S2). The swing link is cooled in a nitriding furnace after being maintained at a temperature of 580±10°C for 300±30 minutes in a tufftriding furnace(S3). Residuals are removed from the surface of the wing link through washing.
    • 目的:提供一种用于涡旋压缩机的摆动连杆和处理其表面的方法,以提高表面硬度,因为碳纳米管化合物层通过低温冲击处理在摆动连杆的表面上均匀地形成。 构成:用于处理涡旋压缩机的回转连杆的表面的方法包括以下步骤。 在480〜660℃的温度保持120±10分钟后,使回转管冷却(S1)。 在820〜930℃的温度保持180±10分钟后,将回转链路进行空气骤冷(S2)。 在鼓风炉(S3)中,在580±10℃的温度下保持300±30分钟后,在氮化炉中冷却回转连杆。 残留物通过洗涤从翼连杆的表面移除。
    • 8. 发明公开
    • 비시안계 염욕으로 질화된 금속
    • 不锈钢盐浴制造的钢铁
    • KR1020070111439A
    • 2007-11-21
    • KR1020070112581
    • 2007-11-06
    • 일진제강(주)
    • 정희원이동녕박영준김동삼오규환심인충
    • C23C8/50C23C8/48
    • C23C8/50
    • A metal nitrided using a non-cyan based salt bath is provided, a metal of which an inner part as well as a surface are nitrided is provided, and a nitrided metal having improved tensile strength and hardness compared to a metal on which salt bath nitriding is not performed is provided. A method for salt bath nitriding of metal comprises the steps of: injecting a non-cyan based salt into a salt bath; melting the salt to maintain the salt at a predetermined temperature; and nitriding the metal in the salt bath. The non-cyan based salt includes at least one of NaNO3, NaNO2, KNO3, KNO2, and Ca(NO3)2. The metal nitriding step is performed at a molten salt bath temperature of 400 to 700 deg.C for a dipping time of 1 minute to 24 hours. A nitrided pure iron is characterized in that pure iron nitrided in at least one salt bath of KNO3, KNO2, Ca(NO3)2, NaNO3 and NaNO2 has a nitriding thickness of 0.1 to 3.0 mm.
    • 提供了使用非青色盐浴进行氮化处理的金属,其内部部分和表面被氮化,并且与金属氮化氮化金属相比,具有改善的拉伸强度和硬度的氮化金属 不提供。 金属盐浴氮化方法包括以下步骤:将非氰基盐注入盐浴中; 使盐熔化以将盐保持在预定温度; 并在盐浴中渗透金属。 非氰基盐包括NaNO 3,NaNO 2,KNO 3,KNO 2和Ca(NO 3)2中的至少一种。 金属氮化步骤在熔融盐浴温度为400-700℃的条件下进行浸渍时间为1分钟至24小时。 氮化纯铁的特征在于,在至少一种KNO 3,KNO 2,Ca(NO 3)2,NaNO 3和NaNO 2的盐浴中氮化的纯铁的氮化厚度为0.1〜3.0mm。