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    • 1. 发明授权
    • 철-망간,철-크롬합금철의글래스비드제조시합금철의장입방법및글래스비드제조방법
    • KR100321055B1
    • 2002-07-08
    • KR1019960068745
    • 1996-12-20
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 이윤희정성욱
    • C21B3/00
    • PURPOSE: A method for charging Fe-Mn or Fe-Cr alloy iron is provided to manufacture glass beads of Fe-Mn or Fe-Cr alloy iron for analyzing fluorescence X-rays without damage of platinum container, and a method for manufacturing the glass beads of Fe-Mn or Fe-Cr alloy iron using the alloy iron charging method is provided. CONSTITUTION: The method for charging Fe-Mn or Fe-Cr alloy iron into a platinum container during manufacture of glass beads for analyzing constituents of Fe-Mn or Fe-Cr alloy iron using fluorescence X-rays is characterized in that the flux is again charged into the platinum container so that the alloy iron powder sample, oxidizer and flux charged into the lower part of the platinum container are covered by the flux after mixing and charging a Fe-Mn or Fe-Cr alloy iron powder sample and oxidizer having a lower melting point than the flux into the upper central part of the flux so that a mixture of the alloy iron powder sample and oxidizer does not directly contact with the platinum container after charging flux into a platinum container. The method for manufacturing glass beads of Fe-Mn or Fe-Cr alloy iron comprises a step of oxidizing alloy iron by reacting the alloy iron with the oxidizer at a temperature that is higher than the melting point of oxidizer, but lower than the melting point of flux as maintaining the state that a Fe-Mn or Fe-Cr alloy iron powder sample does not directly contact with a platinum container; a step of melting the alloy iron sample by increasing temperature of the oxidized alloy iron to a point higher than the melting point of the flux so that the oxidized alloy iron is reacted with the flux; and a step of forming glass beads by heating the melted alloy iron sample using high frequency, burner or ordinary manner used in manufacturing other glass beads, and cooling the formed glass beads.
    • 8. 发明公开
    • 용융도금액 시료채취장치
    • 用于熔融镀层溶液的样品加工装置
    • KR1020000040950A
    • 2000-07-15
    • KR1019980056705
    • 1998-12-21
    • 재단법인 포항산업과학연구원주식회사 포스코
    • 정성욱이윤희박신화
    • G01N1/10
    • PURPOSE: A sample gathering device for a fusion plating solution is provided which makes concentration control of the plating solution easy, improves products' quality and reduces gathering time at a plating tank to improve workability. CONSTITUTION: In the sample gathering device for the fusion plating solution, it comprises of: an outer gathering pipe(6) which is formed in a certain length to be dipped into the plating tank as deep as wanted and which forms a positive screw part(6a) on the lower edge; a connection pipe(7) which is connected to the lower edge of the outer gathering pipe to be exchangeable and forms multiple penetration holes(8) on the outer circumference such that a plating solution flows in; and an inner gathering pipe(10) which is inserted into the inner hole of the outer gathering pipe to block the penetration hole and is bound with a lower negative screw part to fill an inner space with the sample.
    • 目的:提供一种用于熔敷电镀液的样品采集装置,使电镀液的浓度控制变得容易,提高产品质量,减少电镀槽的聚集时间,提高加工性。 构成:在熔敷液的采样装置中,包括:一定长度的外部聚集管(6),将其浸入镀槽内,并形成正螺纹部( 6a)在下边缘; 连接管(7),其与所述外聚集管的下边缘连接以可交换,并且在外周上形成多个贯通孔(8),使得电镀液流入; 以及内聚集管(10),其插入到外聚集管的内孔中以阻挡穿透孔并与下负螺纹部分结合以填充样品的内部空间。
    • 10. 发明公开
    • 강의 개재물 산소 측정 방법
    • 钢包含氧含量的方法
    • KR1020090071187A
    • 2009-07-01
    • KR1020070139415
    • 2007-12-27
    • 주식회사 포스코
    • 홍재화이윤희신용태
    • G01N27/18G01N27/00
    • A method for measuring the oxygen amount of inclusion of a steel is prevent to predict the steel property accurately by measuring the oxygen amount of inclusion of a steel and to reduce measurement cost by using an existing oxygen analyzer. A method for measuring the oxygen amount of inclusion of a steel comprises: a step of measuring the oxygen amount of a sample to the temperature of the sample by heating the steel sample and producing data of the oxygen amount to temperature; a step of calculating the critical temperature by analyzing the data of the oxygen amount to the temperature; a step of measuring the oxygen amount of the steel with the oxygen amount of the steel inclusion by heating the steel which is the same kind of the sample at higher temperature than critical temperature; and a step of heating the steel which is the same kind of the sample at the temperature lower than the critical temperature and measuring dissolved oxygen amount of the steel.
    • 通过测定钢的夹杂物的氧量,能够准确地测定钢的含有量的方法,通过使用现有的氧分析仪来降低测定成本。 钢的包含氧量的测定方法包括以下步骤:通过加热钢样品测定样品的氧量至样品的温度,并产生氧气数据的温度; 通过分析氧气量对温度的数据计算临界温度的步骤; 通过在比临界温度高的温度下加热与样品相同种类的钢来测量钢夹杂物的氧量的钢的氧量的步骤; 以及在低于临界温度的温度下加热与样品相同种类的钢并测量钢的溶解氧量的步骤。