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1. 发明专利

JP2006153735A Spark discharge-emission spectrochemical analysis method for element s in stainless steel 有权
标题翻译：不锈钢元件的SPARK放电光谱分析方法
公开(公告)号：JP2006153735A
公开(公告)日：2006-06-15
申请号：JP2004346777
申请日：2004-11-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUSHIMA TOMOHIRO , JODAI TETSUSHI , YASUHARA HISAO
IPC分类号： G01N21/67
摘要： PROBLEM TO BE SOLVED: To provide a spark discharge-emission spectrochemical analysis method capable of executing easily quantitative analysis for an element S in stainless steel.
SOLUTION: This spark discharge-emission spectrochemical analysis method for the sulfur (S) element in the stainless steel uses two kinds or more of analytical curves classified in response to an Ni concentration range in a stainless steel sample, when a large number of spark discharges is executed between the stainless steel sample and a counter electrode under an inert gas atmosphere, when a characteristic spectrum of the sulfur (S) element is selected from emission spectra accompanied to the respective discharges, and when an emission intensity of the characteristic spectrum of the element S is compared with the analytical curves indicating a relation between an S concentration and the emission intensity prepared preliminarily using a standard sample to determine quantitatively the element S.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够对不锈钢中的元素S进行容易的定量分析的火花放电发射光谱化学分析方法。解决方案：不锈钢中硫（S）元素的这种火花放电发射光谱化学分析方法使用两种或更多种在不锈钢样品中响应于Ni浓度范围分析的分析曲线，当大量在惰性气体气氛下，当硫（S）元素的特征谱选自伴随各自放电的发射光谱时，在不锈钢样品和对电极之间进行火花放电，当特性的发射强度将元素S的光谱与表示S浓度和使用标准样品初步制备的发射强度之间的关系的分析曲线进行比较，以定量确定元素S.版权所有：（C）2006，JPO和NCIPI

2. 发明专利

JP2004191060A Average composition analytical method of inclusion 审中-公开
公开(公告)号：JP2004191060A
公开(公告)日：2004-07-08
申请号：JP2002355564
申请日：2002-12-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUSHIMA TOMOHIRO , YAMAMOTO AKIRA , MAKIISHI NORIKO , SATO SUSUMU
IPC分类号： G01N23/225 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide an analytical method for determining the average composition of an inclusion accurately and quickly. SOLUTION: A reflected electron image or a secondary electron image of an analytical object sample is imaged with a magnification below 200 times, and the position of the inclusion in the sample is specified by performing image analysis. Then, only the region where the inclusion is positioned is re-imaged with a magnification over 200 times, and the shape and the position of the inclusion are specified based on an image processing result of the re-imaging. Scanning by an electron beam is performed only inside the analytical region specified as the inclusion, and an X-ray generated from inside the analytical area is detected, and the average composition of the inclusion is determined from the detection result. COPYRIGHT: (C)2004,JPO&NCIPI

3. 发明专利

JP2007256187A Spark discharge emission spectral analysis method and analyzer thereof 审中-公开
标题翻译： SPARK排放光谱分析方法及其分析仪
公开(公告)号：JP2007256187A
公开(公告)日：2007-10-04
申请号：JP2006083425
申请日：2006-03-24
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YASUHARA HISAO , MATSUSHIMA TOMOHIRO
IPC分类号： G01N21/67 , G01N1/10 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a spark discharge emission spectral analysis method capable of further enhancing the analytical precision than before, by averting the effects of a metal structure on an analyzed result using a simple device, and to provide an analyzer thereof.
SOLUTION: The spark discharge emission spectral analysys method, which quantifies an element contained in an analyzing sample, on the basis of the spectral line obtained by spark discharge caused between the placed and fixed analyzing sample and the electrode provided at the position opposed to the analyzing sample, is improved. More specifically, the analyzing sample is sampled from a molten metal to be cooled and solidified and the solidified analyzing sample is positioned so that its measuring target surface becomes the columnar crystal part in the metal structure of the analyzing sample.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题：为了提供能够进一步提高分析精度的火花放电发射光谱分析方法，通过使用简单的装置避免金属结构对分析结果的影响，并提供其分析仪。解决方案：火花放电发射光谱分析方法，其基于通过放置和固定的分析样品与设置在相对位置的电极之间引起的火花放电获得的光谱线来量化分析样品中所含的元素对分析样品进行了改进。更具体地说，将分析样品从熔融金属中取样以进行冷却和固化，并将固化的分析样品定位成使得其测量目标表面成为分析样品的金属结构中的柱状晶体部分。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007248297A Apparatus and method for analyzing acid concentration in mixed acid 审中-公开
标题翻译：用于分析混合酸中酸分浓度的装置和方法
公开(公告)号：JP2007248297A
公开(公告)日：2007-09-27
申请号：JP2006072965
申请日：2006-03-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUSHIMA TOMOHIRO , YASUHARA HISAO , KIKUYAMA MASATAKE
IPC分类号： G01N27/416 , C23G5/04
摘要： PROBLEM TO BE SOLVED: To provide an analysis method capable of rapidly and precisely measuring a nitric acid concentration and a hydrofluoric acid concentration, even with respect to a mixed acid, such as an acid cleaning liquid or the like that contains metal ions. SOLUTION: The method for analyzing nitric acid concentration and hydrofluoric acid concentration uses an ion electrode method to analyze the mixed acid including nitric acid, hydrofluoric acid and the metal ions. An apparatus and the method for analyzing the nitric acid concentration and the hydrofluoric acid concentration in the mixed acid are characterized, in that a liquid prepared by removing the metal ions in the mixed acid is analyzed. Furthermore, the apparatus and the method for analyzing nitric acid concentration and hydrofluoric acid concentration in the mixed acid are characterized, in that an ion-exchange method, especially a Na +type positive ion-exchange resin is used to remove the metal ions in the mixed acid. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使对于含有金属离子的酸性清洗液等混合酸，也能够提供能够快速，精确地测定硝酸浓度和氢氟酸浓度的分析方法。解决方案：硝酸浓度和氢氟酸浓度分析方法采用离子电极法分析硝酸，氢氟酸和金属离子等混合酸。分析混合酸中硝酸浓度和氢氟酸浓度的装置和方法，分析了通过除去混合酸中的金属离子制备的液体。此外，用于分析混合酸中的硝酸浓度和氢氟酸浓度的装置和方法的特征在于，使用离子交换方法，特别是Na +型正离子交换树脂来除去其中的金属离子混酸。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005265544A Method for measuring particle size distribution of alumina enclosure in steel material 审中-公开
标题翻译：用于测量钢材中氧化铝外壳颗粒尺寸分布的方法
公开(公告)号：JP2005265544A
公开(公告)日：2005-09-29
申请号：JP2004076815
申请日：2004-03-17
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： JODAI TETSUSHI , MATSUSHIMA TOMOHIRO , ISHIDA TOMOHARU
IPC分类号： G01N21/67 , G01N15/02 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a method for more rapidly and accurately measuring the particle size distribution of the alumina enclosure dispersed in a steel material using a spark discharge type emission spectral analyzing method.
SOLUTION: The emission due to the spark discharge of the steel material is spectrally measured to measure the intrinsic spectral intensities of Fe and Al at every discharge of each time and, after the minimum values of Fe intensity and Al intensity at every discharge are subtracted from Fe intensity and Al intensity to apply background correction, the intensity ratio Mi of Al/Fe, the statistical central value Mc thereof and a ratio R of Al intensity and an Al evaporation weight are calculated. The straight line L passing the origin and Mc in a scatter diagram of Al intensity Fe intensity with respect to each discharge is calculated and the difference of Al intensity positioned above the straight line with the Al intensity on the straight line L is calculated and divided by R to calculate an aluminum evaporation weight in discharge to convert the same to an alumina evaporation weight to calculate the volume and particle size of the alumina enclosure.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供使用火花放电型发射光谱分析方法更快速和准确地测量分散在钢材中的氧化铝外壳的粒度分布的方法。
解决方案：对钢材火花放电产生的发射进行光谱测量，以测量每次放电时Fe和Al的固有光谱强度，以及每次放电后Fe强度和Al强度的最小值从Fe强度和Al强度中减去应用背景校正，计算Al / Fe的强度比Mi，其统计中心值Mc以及Al强度和Al蒸发重量的比率R. 计算通过原点的直线L和相对于每个放电的Al强度Fe强度的散射图中的Mc，并且计算位于直线上方的Al强度与在直线L上的Al强度的差异，并除以 R计算放电中的铝蒸发重量，以将其转化为氧化铝蒸发重量，以计算氧化铝外壳的体积和粒度。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004323942A Steel sheet for ultrahigh heat input welding 审中-公开
公开(公告)号：JP2004323942A
公开(公告)日：2004-11-18
申请号：JP2003122618
申请日：2003-04-25
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YAMASHITA TAKAKO , MATSUSHIMA TOMOHIRO , SATO SUSUMU , SHIOTANI KAZUHIKO , OI KENJI
IPC分类号： C21D6/00 , C22C38/00 , C22C38/06 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for an ultrahigh heat input welding in which the toughness of the weld zone is not reduced even if ultrahigh heat input welding in which heat input exceeds 800 kJ/cm is performed.
SOLUTION: The steel sheet for ultrahigh heat input welding has a composition comprising, by mass, 0.001 to 0.15% C, 0.05 to 0.8% Si, ≤0.01% Al, 0.5 to 2.0% Mn, 0.0005 to 0.0100% O, 0.0005 to 0.0100% S and 0.0010 to 0.0100% rare earth metals, and in which the content of O, the content of Mn and the content of rare earth metals satisfy the following relationship (1), and the content of S and the content of Mn satisfy the following inequality (2), and the balance iron with inevitable impurities: the inequality (1) is expressed by [Mn]×[O]×0.2≤[REM]≤[Mn]×[O]×1.2, and the inequality (2) is expressed by [S]≥0.00294/[Mn].
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2004045366A Analytical method and analytical device of cluster-like amorphous inclusion 审中-公开
公开(公告)号：JP2004045366A
公开(公告)日：2004-02-12
申请号：JP2002307290
申请日：2002-10-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUSHIMA TOMOHIRO , YAMAMOTO AKIRA , MAKIISHI NORIKO , SATO SUSUMU
IPC分类号： G01N23/225 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide an analytical method for determining a cluster-like amorphous inclusion in a steel accurately and quickly. SOLUTION: The position of the inclusion is specified, and the distance between mutual inclusions is measured, and composition analysis of the inclusion is performed based on an image processing result acquired by utilizing brightness of a reflected electron image or a secondary electron image acquired by irradiating an analytical object sample with electron beams. The inclusion wherein the distance between mutual inclusions is within a reference distance set beforehand and combination of elements constituting the inclusion is mutually the same is determined as an inclusion constituting the cluster-like amorphous inclusion. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2006177922A Emission spectral analysis method and analyzing device 审中-公开
标题翻译：发射光谱分析方法和分析装置
公开(公告)号：JP2006177922A
公开(公告)日：2006-07-06
申请号：JP2005098467
申请日：2005-03-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YASUHARA HISAO , MATSUSHIMA TOMOHIRO , JODAI TETSUSHI
IPC分类号： G01N21/67
摘要： PROBLEM TO BE SOLVED: To analyze a metal sample with accuracy, even if the metal sample obtained from severance is of low smoothness when analyzing metal samples, through the use of spark electrical discharge emission spectral analysis methods.
SOLUTION: In an emission spectral analysis method where plural number of times of spark electric discharges are generated in an inert gas between a metal sample 3 attached to a sample supporting stand 10 and a pair of electrodes 4 deployed facing the metal sample concerned and the element within the metal sample is quantified by implementing spectroscopy of emission for each spark discharge, let the aforementioned metal sample to attach on a protruding portion 11 prepared on the sample supporting stand to generate spark discharge. Since the metal sample contacts the protruding portion, the analysis is possible without being affected due to the ruggedness, even if the ruggedness exists on the surface of the metal sample.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在分析金属样品时，通过使用火花放电发射光谱分析方法，即使从分离中获得的金属样品的平滑度较低，也要精确地分析金属样品。解决方案：在发射光谱分析方法中，在安装在样品支撑台10上的金属样品3与面对金属样品的一对电极4之间的惰性气体中产生多次火花放电通过对每个火花放电实施发射光谱来量化金属样品中的元素，使上述金属样品附着在样品支撑架上制备的突出部分11上以产生火花放电。由于金属样品接触突出部分，所以即使在金属样品的表面上存在坚固性，也可以不受到粗糙度的影响而进行分析。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2009052137A Steel sheet for high strength sour resistant line pipe, method for producing the same, and steel pipe 有权
标题翻译：用于高强度电阻线管的钢板，其制造方法和钢管
公开(公告)号：JP2009052137A
公开(公告)日：2009-03-12
申请号：JP2008179976
申请日：2008-07-10
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ISHIKAWA NOBUYUKI , SHINGU TOYOHISA , SUEYOSHI HITOSHI , SUZUKI MAKOTO , MATSUSHIMA TOMOHIRO , SHIKAUCHI NOBUO
IPC分类号： C21D8/02 , B21B1/38 , B21B3/00 , B21C37/08 , C22C38/00 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for a high strength sour resistant line pipe with a sheet thickness of ≥30 mm having high strength, and excellent toughness, sour resisting performance and formability, to provide a method for producing the same, and to provide a steel pipe.
SOLUTION: A steel having a composition comprising, by mass, 0.02 to 0.06% C, ≤0.5% Si, 0.5 to 1.5% Mn, ≤0.01% P, ≤0.001% S, ≤0.08% Al, 0.005 to 0.035% Nb, 0.005 to 0.025% Ti and 0.0010 to 0.0035% Ca, and further comprising one or more kinds selected from Cu, Ni, Cr, Mo and V, and the balance Fe with inevitable impurities is heated at 1,000 to 1,200°C, is hot-rolled, is subjected to accelerated cooling where cooling starting temperature is controlled to (Ar
3 -10°C) or above by the surface temperature of the steel sheet and cooling stopping temperature is controlled to 250 to 500°C by the average temperature in the cross-section of the steel sheet, and is then heated at 550 to 700°C by the surface temperature of the steel sheet and at 400 to 580°C by the average temperature in the cross-section of the steel sheet by induction heating.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了提供一种具有高强度的片材厚度≥30mm的高强度耐酸性管线钢板，具有优异的韧性，耐酸性能和成形性的钢板，以提供一种生产同样，并提供钢管。＆lt; P＆gt;解决方案：一种组合物，其组成包括：质量分数为0.02〜0.06％的C，≤0.5％的Si，0.5〜1.5％的Mn，≤0.01％的P，≤0.001％的S，≤0.08％的Al，0.005〜0.035 ％Nb，0.005〜0.025％的Ti和0.0010〜0.0035％的Ca，并且还包含选自Cu，Ni，Cr，Mo和V中的一种或多种，余量为不可避免的杂质的Fe被加热到1000-1200℃，热轧后，通过钢板的表面温度将冷却开始温度控制在（Ar 3 -10℃）以上，进行加速冷却，冷却停止温度控制在250℃ 在500℃以上的钢板的截面的平均温度，然后在550〜700℃的钢板表面温度下加热，在400〜580℃下加上交叉的平均温度通过感应加热切割钢板。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006266949A Emission spectrophotometry and emission spectrophotometer 审中-公开
标题翻译：发射光谱测定和发射光谱仪
公开(公告)号：JP2006266949A
公开(公告)日：2006-10-05
申请号：JP2005087214
申请日：2005-03-24
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MATSUSHIMA TOMOHIRO , YASUHARA HISAO , JODAI TETSUSHI
IPC分类号： G01N21/67
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for analyzing precisely an element contained in a metal sample in a short time, by moving the metal sample and a counter electrode respectively to the optimum position the element by the element, when determining quantitatively the element by an emission spectrophotometric technique. SOLUTION: The quantitative determination is carried out by moving the metal sample and the counter electrode respectively to the optimum position the element by the element, in emission spectrochemical analysis of executing spark discharge many times between the metal sample and the counter electrode under an inert gas atmosphere. COPYRIGHT: (C)2007,JPO&INPIT

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