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1. 发明专利

JP2014136810A Si-KILLED STEEL WIRE EXCELLENT IN FATIGUE CHARACTERISTIC AND SPRING USING THE SAME 有权
标题翻译： Si-KILLED钢丝在其疲劳特性和弹簧方面表现优异
公开(公告)号：JP2014136810A
公开(公告)日：2014-07-28
申请号：JP2013004500
申请日：2013-01-15
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUGIMURA TOMOKO , SAKAI HIROAKI , YOSHIDA YASUMASA , TAI TAKAFUMI , OTA HIROMI , ONODA HIROYUKI
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21C7/076 , C22C38/04 , C22C38/58 , F16F1/02
CPC分类号： F16F1/021 , C21C7/06 , C21D8/065 , C21D9/02 , C22C38/00 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/10 , C22C38/12 , C22C38/14 , C22C38/18 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/34 , C22C38/40 , C22C38/44 , C22C38/46
摘要： PROBLEM TO BE SOLVED: To provide a Si-killed steel wire further excellent in a fatigue characteristic and a spring.SOLUTION: There is a Si-killed steel containing a specific chemical composition and in which 80% in the number contains a specific CaO-AlO-SiO-based inclusion, and an average composition of the CaO-AlO-SiO-based inclusion satisfying (3A) satisfies (3B). (3A) MnO+AlO+SiO≥80% and MnO>CaO when CaO+AlO+SiO+MgO+MnO is standardized as 100%. (3B) MnO:10 to 70%, AlO:3 to 50%, and SiO:20 to 75% when CaO+AlO+SiO+MgO+MnO is standardized as 100%.
摘要翻译：要解决的问题：提供一种疲劳特性和弹簧进一步优异的Si镇静钢丝。解决方案：含有特定化学成分的Si镇静钢，其中80％的数量含有特定的CaO- AlO-SiO系夹杂物，并且满足（3A）的CaO-AlO-SiO系夹杂物的平均组成满足（3B）。（3A）当CaO + AlO + SiO + MgO + MnO标准化为100％时，MnO + AlO +SiO≥80％，MnO> CaO。（3B）当CaO + AlO + SiO + MgO + MnO被标准化为100％时，MnO：10〜70％，AlO：3〜50％，SiO：20〜75％。

2. 发明专利

JP2010121199A Steel having excellent weld heat-affected zone toughness and base metal low temperature toughness, and method for producing the same 有权
标题翻译：具有优异的焊接热影响区域韧性和基础金属低温韧性的钢及其制造方法
公开(公告)号：JP2010121199A
公开(公告)日：2010-06-03
申请号：JP2008298555
申请日：2008-11-21
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KANEKO MASAHITO , DEURA TETSUSHI , SUGIMURA TOMOKO
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21C7/06 , C21C7/10 , C21D8/02 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a steel in which variation in HAZ toughness is reduced, and further, the low temperature toughness of the base metal itself is increased as well, and to provide a method for producing the same.
SOLUTION: The invention is characterized in that: (A) the steel comprises inclusions including REM and Zr; (B) solid solution REM and solid solution Zr in the steel satisfy solid solution REM: ≤0.0010% (including 0%) and solid solution Zr: ≤0.0010% (including 0%); and (C), when the metallic structure of the steel is observed by an EBSP (Electron Diffraction Image) method, the steel satisfies inequality; D≤30 (wherein, D denotes the average equivalent circle diameter (μm) of the crystal grains surrounded by large angle boundaries with a crystal orientation difference of ≥15° upon measurement of the orientation difference of the adjoining two crystals by an EBSP method), and inequality; 50≤M (wherein, M denotes the ratio (area%) of the crystal grains surrounded by large angle boundaries with a crystal orientation difference of ≥55° occupied in the whole of the steel).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种其中HAZ韧性变化降低的钢，并且还增加了贱金属本身的低温韧性，并提供其制造方法。解决方案：本发明的特征在于：（A）钢包括包括REM和Zr的夹杂物; （B）固溶体REM和固溶体钢中的Zr满足固溶体REM：≤0.0010％（含0％）和固溶体Zr：≤0.0010％（含0％）; 和（C），当用EBSP（Electron Diffraction Image）方法观察钢的金属结构时，钢满足不等式; D≤30（其中，D表示通过EBSP法测定相邻的两个结晶的取向差时，由大角度边界包围的晶粒的平均当量圆直径（μm），晶体取向差为15°以上）和不平等 50≤M（其中，M表示在整个钢中占据的晶体取向差≥55°的大角度边界包围的晶粒的比例（面积％））。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010024523A Steel having excellent toughness in weld-heat affected zone 有权
标题翻译：在焊接热影响区域具有优异韧性的钢
公开(公告)号：JP2010024523A
公开(公告)日：2010-02-04
申请号：JP2008189909
申请日：2008-07-23
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUGITANI TAKASHI , DEURA TETSUSHI , SUGIMURA TOMOKO , OKAZAKI YOSHIOMI , NAKO HIDENORI , OTA HIROMI
IPC分类号： C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel which is extremely excellent in the toughness in an HAZ by suitably adjusting a chemical componential composition, thus dispersing suitable composite oxide into the steel structure, and further, dispersing TiN which does not dissipate even by heat upon welding. SOLUTION: The steel has a composition comprising 0.02 to 0.10% C, ≤0.5% (excluding 0%) Si, 1.0 to 2.0% Mn, ≤0.03% (excluding 0%) P, ≤0.02% (excluding 0%) S, ≤0.05% (excluding 0%) Al, 0.005 to 0.10% Ti, 0.001 to 0.007% REM, 0.001 to 0.050% Zr, 0.002 to 0.010% N, 0.001 to 0.010% Ca and 0.0010 to 0.015% O, respectively, and in which A value regulated by prescribed relational formula lies in the range of 500 to 6,000. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过适当地调整化学成分组成，从而将合适的复合氧化物分散到钢结构体中，并且进一步分散不均匀分散的TiN，从而提供HAZ中韧性极好的钢通过焊接加热。钢的组成为：含有0.02〜0.10％C，≤0.5％（不含0％）Si，1.0〜2.0％Mn，≤0.03％（不含0％）P，≤0.02％（不含0％）S，≤0.05％（不含0％）Al，0.005〜0.10％Ti，0.001〜0.007％REM，0.001〜0.050％Zr，0.002〜0.010％N，0.001〜0.010％Ca和0.0010〜0.015％O ，其中以规定关系式调节的A值在500至6000之间。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2008163426A Si-KILLED STEEL WIRE ROD AND SPRING SUPERIOR IN FATIGUE CHARACTERISTIC 有权
标题翻译：钝化钢丝绳和弹簧超级疲劳特性
公开(公告)号：JP2008163426A
公开(公告)日：2008-07-17
申请号：JP2006356311
申请日：2006-12-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUGIMURA TOMOKO , SAKAMOTO KOICHI
IPC分类号： C22C38/00 , C21C7/04 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an Si-killed steel wire rod for a spring superior in fatigue characteristics, by lowering melting points of all inclusions so as to make the Si-killed steel wire rod easily deformed, and to provide a spring superior in fatigue characteristics, which is obtained from the steel wire rod.
SOLUTION: The Si-killed steel wire rod includes Ba and Sr in a total amount of 0.04 to 30 ppm (by mass, hereafter the same; and while controlling Sr to 20 ppm or less), 1 to 30 ppm Al, 0.2 to 4% (by mass, hereafter the same) Si respectively, and Mg and/or Ca in a total amount of 0.5 to 30 ppm. The spring superior in fatigue characteristics is obtained through a process of forming such a steel wire rod into the spring.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种耐疲劳特性优异的弹簧的Si镇静钢线材，通过降低所有夹杂物的熔点，使Si镇静钢线棒容易变形，并提供一种弹性优于疲劳特性，由钢丝杆获得。解决方案：Si镇静钢线材包括总量为0.04至30ppm（以质量计，以下相同;并且同时控制Sr至20ppm以下）的Ba和Sr，1〜30ppm的Al， 0.2〜4质量％，以下相同的Si），Mg和/或Ca总量为0.5〜30ppm。疲劳特性优异的弹簧是通过将这种钢丝杆形成弹簧的过程获得的。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007169769A High cleanliness steel having excellent fatigue strength 有权
标题翻译：具有优异的疲劳强度的高清洁钢
公开(公告)号：JP2007169769A
公开(公告)日：2007-07-05
申请号：JP2005373093
申请日：2005-12-26
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SAKAMOTO KOICHI , DEURA TETSUSHI , SUGIMURA TOMOKO , YOSHIDA ATSUHIKO , FUKUZAKI YOSHIO , SUDA SUMIE
IPC分类号： C22C38/00 , B22D1/00 , C21C7/00 , C21C7/04 , C21C7/06 , C22C38/44 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a high cleanliness steel having improved fatigue properties.
SOLUTION: The high cleanliness steel comprises total-Li in the range of 0.020 to 20 ppm (by mass), or comprises total-Li and Si so as to satisfy total-Li/Si (by mass)=5×10
-6 to 9000×10
-6 , and cross-sectional inclusion size (cross-sectional area of √ inclusions) is controlled to ≤160 μm. The high cleanliness steel has chemical components ordinarily comprising, by mass, ≤1.0% C, ≤0.6% Si, ≤1.5% Mn, ≤4% Ni, ≤12% Cr, ≤1.0% Mo, ≤0.01% total-Al, ≤0.005% O, 0.1 to 15 ppm total-Mg, and 0.1 to 40 ppm total-Ca.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有改善的疲劳性能的高清洁度钢。
解决方案：高清洁度钢包括0.020〜20ppm（质量）范围内的总Li，或者包含总Li和Si，以满足总Li / Si（质量％）= 5×10 -6 〜9000×10 -6 ，横截面夹杂物尺寸（夹杂物的截面积）控制在≤160μm。高洁净度钢具有通常包含质量分数为≤1.0％，Si：≤1.5％，Mn≤4％，≤12％Cr，≤1.0％Mo，≤0.01％总Al， ≤0.005％O，0.1〜15ppm总Mg，0.1〜40ppm总Ca。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005315648A Method for extracting oxide based inclusion in metal 有权
标题翻译：在金属中提取基于氧化物的包裹方法
公开(公告)号：JP2005315648A
公开(公告)日：2005-11-10
申请号：JP2004131884
申请日：2004-04-27
申请人： Kobe Steel Ltd , Kobelco Kaken:Kk , 株式会社コベルコ科研 , 株式会社神戸製鋼所
发明人： KIMURA SEII , SUGIMURA TOMOKO , HAGIWARA OSAMU
IPC分类号： G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a method capable of preventing the formation of an SiO
2 based inclusion becoming the obstruction of analysis after the extraction of an oxide based inclusion to the utmost, if necessary, a method for excluding SiO
2 mixed in a filtering/extraction process to the utmost.
SOLUTION: For extracting the oxide based inclusion in a metal sample by a hot nitric acid method or a hot sulfuric acid method, a nitric acid solution or a sulfuric acid solution is preheated to 50°C or above and the metal sample is charged and dissolved in the solution to filter/extract the oxide based inclusion. If necessary, in a metal sample dissolving process and the filtering/extraction process of the oxide based inclusion succeeding thereto, the material of a machine coming into contact with the solution contains no SiO
2 .
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种能够防止形成基于SiO 2 / SB 2的夹杂物的方法，在最大程度地提取氧化物基夹杂物之后变成阻碍分析，如果需要，在过滤/提取过程中混合的SiO 2 的方法最大。解决方案：为了通过热硝酸法或热硫酸法将金属样品中的氧化物基夹杂物萃取，将硝酸溶液或硫酸溶液预热至50℃以上，金属样品为充电并溶解在溶液中以过滤/提取基于氧化物的夹杂物。如果需要，在金属试样溶解工序中，与之后的氧化物系夹杂物的过滤/萃取工序相比，与溶液接触的机器的材料不含SiO 2 。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2014100715A Spout and vertical continuous casting method 有权
标题翻译：喷射和垂直连续铸造方法
公开(公告)号：JP2014100715A
公开(公告)日：2014-06-05
申请号：JP2012252577
申请日：2012-11-16
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUGIMURA TOMOKO , YOSHIMURA YUKIHIKO , MORISHITA MAKOTO , ABE MITSUHIRO
IPC分类号： B22D11/00 , B22D11/049 , B22D11/10 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To provide a spout in which molten metal clogging hardly occurs and further oxidation degradation does not occur even in casting under an ambient air atmosphere, and to provide a vertical continuous casting method of aluminum or an aluminum alloy.SOLUTION: A cylindrical spout used for a vertical continuous casting method of aluminum or an aluminum alloy includes a refractory layer disposed on the outer surface side and comprising an oxide or a nitride, and a graphite layer disposed at least on the inner surface side and comprising graphite. The tip part of the spout preferably comprises only the graphite layer. Further, the graphite preferably comprises CIP material.
摘要翻译：要解决的问题：为了提供几乎不发生熔融金属堵塞的喷口，并且即使在环境空气气氛下铸造也不会发生进一步的氧化降解，并且提供铝或铝合金的垂直连续铸造方法。解决方案：A 用于铝或铝合金的垂直连续铸造方法的圆柱形喷口包括设置在外表面侧并包含氧化物或氮化物的耐火层，以及至少设置在内表面侧并且包括石墨的石墨层。喷嘴的尖端部分优选仅包括石墨层。此外，石墨优选包含CIP材料。

8. 发明专利

JP2014019911A Bearing steel material and bearing part with excellent rolling fatigue characteristic 有权
标题翻译：轴承钢材料和轴承部件具有优异的滚动疲劳特性
公开(公告)号：JP2014019911A
公开(公告)日：2014-02-03
申请号：JP2012160011
申请日：2012-07-18
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SHIMAMOTO MASAKI , SUGIMURA TOMOKO , DEURA TETSUSHI , KAIZUKA MASAKI , NAGAHAMA MUTSUHISA , OTA HIROMI
IPC分类号： C22C38/00 , C22C38/28
摘要： PROBLEM TO BE SOLVED: To provide a bearing steel material capable of being more excellent in rolling fatigue properties than conventional technologies and preventing early peeling, for a bearing part to which a load in a radial direction such as a roller, a needle, or a ball is applied repeatedly.SOLUTION: A chemical composition of a steel material is appropriately adjusted and an oxide-based inclusion in the steel is CaO, AlO, SiO, MnO, MgO, ZrOand inevitable impurities, their average compositions are CaO:20 to 45%, AlO:20 to 45%, SiO:30 to 50%, ZrO:2.0 to 10% based on total 100% of CaO, AlO, SiO, MnO, MgO, ZrOand a spherical type cementite structure is included.
摘要翻译：要解决的问题：为了提供一种能够比常规技术更优异的滚动疲劳性能并防止早期剥离的轴承钢材料，对于诸如辊，针或者其它的径向方向的负载的轴承部件适当调整钢材的化学成分，钢中的氧化物系夹杂物为CaO，AlO，SiO，MnO，MgO，ZrO及不可避免的杂质，平均成分为CaO：20〜45 ％，AlO：20〜45％，SiO：30〜50％，ZrO：相对于总计100％的CaO，AlO，SiO，MnO，MgO，ZrO 2为2.0〜10％，并且包括球形的渗碳体结构。

9. 发明专利

JP2010127916A Method for extracting and evaluating inclusion 有权
标题翻译：提取和评估包含的方法
公开(公告)号：JP2010127916A
公开(公告)日：2010-06-10
申请号：JP2008306746
申请日：2008-12-01
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUGIMURA TOMOKO , OTA HIROMI , HAGIWARA OSAMU
IPC分类号： G01N1/28 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a method useful for effective extraction and evaluation of inclusions (especially compound oxide), including alkali earth metals that are to be represented by CaO-SiO
2 , while avoiding inconveniences due to the generation of SiO
2 gel.
SOLUTION: When inclusions are to be extracted from a steel product, the steel product is inserted in a bromine-methanol solution and melted. After residues are filtered out by treating an acquired substance containing inclusions with an ammonium hydrogen fluoride solution, the inclusions contained in the substance containing the inclusions are extracted and evaluated.
COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2010024539A Spring steel and spring superior in fatigue property 有权
标题翻译：弹簧钢和弹簧超级疲劳性能
公开(公告)号：JP2010024539A
公开(公告)日：2010-02-04
申请号：JP2008198377
申请日：2008-07-31
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUGIMURA TOMOKO , SAKAMOTO KOICHI , YOSHIDA ATSUHIKO , MASUMOTO KEI
IPC分类号： C22C38/00 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a spring steel for obtaining a spring superior in fatigue properties by suppressing the production of hard crystals, and to provide a spring superior in fatigue properties which is obtainable from such spring steel. SOLUTION: The spring steel satisfies a chemical componential composition, contains oxide inclusions satisfying the following conditions (1) to (3) in a number of 1×10 -4 or more per square millimeter: (1) the oxide inclusions each contain a total of 80% by mass or more of Al 2 O 3 and SiO 2 based on 100% by mass of the inclusion composition excluding Li 2 O, (2) the oxide inclusions each have a ratio by mass of Al 2 O 3 to SiO 2 of from 1:4 to 2:3; and (3) the oxide inclusions each contain Li, and further contains Mg-containing oxide inclusions satisfying the following conditions (4) to (6) in a number of 1×10 -4 /mm 2 or more per square millimeter: (4) the Mg-containing oxide inclusions each contain a total of 80% by mass or more of MgO and SiO 2 based on 100% by mass of the Mg-containing oxide inclusion composition; (5) the Mg-containing oxide inclusions each have an MgO content (% by mass) larger than an SiO 2 content (% by mass); and (6) the Mg-containing oxide inclusions each have an SiO 2 content of more than 25% by mass. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种弹簧钢，用于通过抑制硬晶体的生成来获得具有优异的疲劳特性的弹簧，并且提供可从这种弹簧钢获得的疲劳性能优异的弹簧。解决方案：弹簧钢满足化学成分组成，包含满足以下条件（1）至（3）的氧化物夹杂物，其数量为每平方毫米1×10 -4 （1）基于100％的氧化物夹杂物，总共含有80质量％以上的Al 2 3 和SiO 2 的二氧化物夹杂物，（2）氧化物夹杂物各自具有的比例为Al 2 3 〜 1:2至1:3的SiO 2 ; 和（3）氧化物夹杂物各自含有Li，并且还含有满足以下条件（4）至（6）的含Mg氧化物夹杂物，数量为1×10 -4 / mm 2 以上：（4）基于100质量％，含Mg氧化物夹杂物各自含有总计为80质量％以上的MgO和SiO 2 的含Mg氧化物夹杂物组合物; （5）含Mg氧化物夹杂物的MgO含量（质量％）大于SiO 2 含量（质量％）; 和（6）含Mg氧化物夹杂物的SiO 2 含量大于25质量％。版权所有（C）2010，JPO＆INPIT

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