강/알루미늄의 접합구조체
    51.
    发明公开
    강/알루미늄의 접합구조체 有权
    钢/铝合金结构

    公开(公告)号:KR1020060093702A

    公开(公告)日:2006-08-25

    申请号:KR1020067006115

    申请日:2004-09-27

    IPC分类号: B23K35/36

    摘要: A copper/aluminum joined structure having a hot-dip- aluminized steel sheet (1) and, laminated thereon by spot welding, aluminum or an aluminum alloy (2), wherein a plating layer (4) comprises 3 to 12 mass % of Si and 0.5 to 5 mass % of Fe, the area percentage of an Al-Fe binary alloy layer (7) in its joining interface is suppressed to 90 % or less, and a region (9) having no alloy layer appears between an Al-Fe-Si ternary alloy layer (6) being present in a base steel (5)/plating layer (4) interface and the Al-Fe binary alloy layer (7); and the above copper/aluminum joined structure which uses a plated steel sheet (1) having a base steel(5) comprising 0.002 to 0.020 mass % of N and having an N-rich layer containing 3.0 atomic % or more of N formed on its surface contacting with the hot dip aluminizing layer (4). The above copper/aluminum joined structure, particularly, the latter one is inhibited in the extension of the Al-Fe binary alloy layer (7), which is low in strength, and as a result, exhibits improved steel/aluminum joining strength.

    摘要翻译: 一种铜/铝接合结构,其具有热镀铝钢板(1),并通过点焊层压在铝或铝合金(2)上,其中镀层(4)包含3〜12质量%的Si 和0.5〜5质量%的Fe,其接合界面中的Al-Fe二元合金层(7)的面积百分比抑制在90%以下,并且在Al-Fe系合金层之间出现没有合金层的区域(9) Fe-Si三元合金层(6)存在于基体钢(5)/镀层(4)界面和Al-Fe二元合金层(7)中; 以及上述铜/铝接合结构,其使用具有含有0.002〜0.020质量%的N并且在其上形成有N原子%以上的N的富含N层的基础钢(5)的镀覆钢板(1) 表面与热浸镀铝层(4)接触。 上述铜/铝接合结构,特别是后者,在强度低的Al-Fe二元合金层(7)的延伸中被抑制,结果表现出改善的钢/铝接合强度。

    프레스 성형성, 2차 가공성이 우수한 페라이트계스테인레스 강판 및 그 제조방법
    53.
    发明公开
    프레스 성형성, 2차 가공성이 우수한 페라이트계스테인레스 강판 및 그 제조방법 有权
    FERRITIC不锈钢板,可以压制成预定型材,没有缺陷,如不良的循环和扭曲,然后被二次成型为具有良好的热挤压的最终型材及其制造方法

    公开(公告)号:KR1020040104939A

    公开(公告)日:2004-12-13

    申请号:KR1020040041004

    申请日:2004-06-04

    IPC分类号: C22C38/18

    摘要: PURPOSE: To provide a ferritic stainless steel sheet improved in dimensional accuracy and secondary formability in a press-formed state by controlling particle size and distribution of precipitates, which are dispersed in a steel matrix, and a method of manufacturing thereof. CONSTITUTION: The ferritic stainless steel sheet excellent in press formability and secondary formability has a composition consisting of 0.02 mass % or less of C, 0.8 mass % or less of Si, 1.5 mass % or less of Mn, 0.050 mass % or less of P, 0.01 mass % or less of S, 8.0-35.0 mass % of Cr, 0.05 mass % or less of N, 0.05-0.40 mass % of Ti, 0.10-0.50 mass % of Nb, optionally one or more selected from a group consisting of 0.5 mass % or less of Ni, 3.0 mass % or less of Mo, 2.0 mass % or less of Cu, 0.3 mass % or less of V, 0.3 mass % or less of Zr, 0.3 mass % or less of Al and 0.0100 mass % or less of B, and the balance being Fe except inevitable impurities with a product of (%Tix%N) less than 0.005, wherein the metallurgical structure contains precipitates, excluding TiN, of 0.15 μm or more in particle size distributed at a rate of 5000-50000/mm¬2 in a steel matrix.

    摘要翻译: 目的:通过控制分散在钢基体中的析出物的粒径和分布来提供在压制成形状态下提高尺寸精度和二次成形性的铁素体系不锈钢板及其制造方法。 构成:压制成形性和二次成型性优异的铁素体系不锈钢板具有C:0.02质量%以下,Si:0.8质量%以下,Mn:1.5质量%以下,P:0.050质量%以下 ,0.01质量%以下的S,8.0〜35.0质量%的Cr,0.05质量%以下的N,0.05〜0.40质量%的Ti,0.10〜0.50质量%的Nb,任选的一种以上,选自 0.5质量%以下的Ni,3.0质量%以下的Mo,2.0质量%以下的Cu,0.3质量%以下的V,0.3质量%以下的Zr,0.3质量%以下的Al和0.0100 质量%以下的B,余量为Fe(%Tix%N)以下的不可避免的杂质小于0.005的金属,其中,冶金结构含有不含TiN的析出物,粒径分布为0.15μm以上 在钢基体中为5000-50000 / mm2。

    고강도,고연성복상조직스테인레스강및그제조방법
    55.
    发明授权
    고강도,고연성복상조직스테인레스강및그제조방법 失效
    高强度,高韧性阶段组织不锈钢及其制造方法

    公开(公告)号:KR100324892B1

    公开(公告)日:2002-08-01

    申请号:KR1019950702868

    申请日:1994-11-10

    IPC分类号: C22C38/40 C21D8/02

    摘要: 질량 % 로서,
    c : 0.10 % 이하,
    Si : 2.0 % 이하,
    Mn : 4.0% 이하,
    P : 0.040 % 이하,
    S : 0.010 % 이하,
    Ni : 4.0 % 이하,
    Cr : 10.0 ∼ 20.0 %,
    N : 0.12 % 이하,
    B : 0.0050 초과 ∼ 0.0300 %,
    O : 0.02 % 이하,
    Cu : 4.0% 이하를 함유하고,
    필요에 따라 0.20 % 이하의 Al, 3% 이하의 Mo, 0.20 % 이하의 REM, 0.20 % 이하의 Y, 0.10 % 이하의 Ca, 0.10 % 이하의 Mg의 1 종 또는 2 종 이상을 함유하며, 나머지가 Fe 및 불가피한 불순물로 된 고강도, 고연성 복상조직(複相組織) 스테인레스강이고, 강대 자체에서 20 vol.%이상 95 vol.%이하이고 평균 입경이 10 μm 이하인 마르텐샤이트상과 나머지가 페라이트상으로 된 복상 조직을 가지며 HV 200 이상인 경도를 가진다.

    Fe-Cr 계 연자성 재료 및 그 제조 방법
    56.
    发明公开
    Fe-Cr 계 연자성 재료 및 그 제조 방법 有权
    FE-CR软磁材料及其制造方法

    公开(公告)号:KR1020020042517A

    公开(公告)日:2002-06-05

    申请号:KR1020010075382

    申请日:2001-11-30

    IPC分类号: H01F1/14

    摘要: PURPOSE: A Fe-Cr soft magnetic material is provided to improve properties as a magnetic sensor operated in a high-frequency low-magnetic field as well as corrosion resistance and to reduce manufacturing costs. CONSTITUTION: The Fe-Cr soft magnetic material having an electric resistivity not less than 50μm Ωcm and a metallurgical structure composed of ferritic grains at a surface ratio not less than 95% with precipitates of 1μm or less in particle size at a ratio not more than 6x10/mm in number. The Fe-Cr soft magnetic material consists of C up to 0.05 mass%, N up to 0.05 mass%, Si up to 3.0 mass%, Mn up to 1.0 mass%, Ni up to 1.0 mass%, P up to 0.04 mass%, S up to 0.01 mass%, 5.0-20.0 mass% Cr, Al up to 4.0 mass%, 0-3 mass% Mo, 0-0.5 mass% Ti and the balance being Fe except inevitable impurities.

    摘要翻译: 目的:提供一种Fe-Cr软磁材料,以提高作为高频低磁场操作的磁传感器的性能以及耐腐蚀性,并降低制造成本。 构成:具有不小于50μmΩcm的电阻率的Fe-Cr软磁性材料和由不小于95%的表面比的铁素体晶粒组成的冶金结构,其粒径为1μm以下的析出物,比例不大于 6x10 / mm的数量。 Fe-Cr软磁性材料由C:0.05质量%以下,N以上0.05质量%以下,Si:3.0质量%以下,Mn:1.0质量%以下,Ni:1.0质量%以下,P:0.04质量% ,S:0.01质量%以下,5.0〜20.0质量%的Cr,Al:4.0质量%,0〜3质量%的Mo,0〜0.5质量%的Ti,余量:Fe,除了不可避免的杂质。

    내식성이 개선된 화성처리 강판
    57.
    发明公开
    내식성이 개선된 화성처리 강판 有权
    改善耐腐蚀性的化学处理钢板

    公开(公告)号:KR1020020036710A

    公开(公告)日:2002-05-16

    申请号:KR1020010068787

    申请日:2001-11-06

    IPC分类号: C23C22/44

    摘要: PURPOSE: A processed zinc-coated steel sheet remarkably improved in corrosion resistance by generation of a converted layer containing insoluble or scarcely-soluble compounds useful as a barrier for insulation of a steel base from an atmosphere and soluble compounds with a self-repairing faculty for repairing damaged parts of the converted layer is provided. CONSTITUTION: The chemically processed steel sheet excellent in corrosion resistance comprises a steel base coated with a Zn or its alloy plating layer; and a converted layer, which contains both of at least one insoluble or scarcely-soluble metal compound and at least one soluble metal compound, generated on a surface of the Zn or its alloy plating layer, wherein the converted layer is composed of at least one complex compound of Mn and Ti, wherein the complex compound is selected from oxides, phosphates, fluorides and organic acids, the converted layer further contains one or more lubricants, the converted layer further contains one or more of insoluble or soluble phosphates and complex phosphates, the converted layer further contains one or more of organic acid salts, wherein the insoluble or scarcely-soluble metal compound is one or more of oxides and hydroxides of valve metals, and the soluble metal compound is one or more of valve metal fluorides, the valve metal is selected from Ti, Zr, Hf, V, Nb, Ta, Mo and W, the converted layer contains the fluoride at an F/O atomic ratio not less than 1/100, the converted layer further contains one or more of soluble or insoluble phosphates and complex phosphates, and the converted layer further contains one or more of organic acid salts.

    摘要翻译: 目的:通过生成含有不溶性或几乎不溶于水的化合物的转化层,可以显着提高耐蚀性的加工镀锌钢板,这些化合物可用作钢碱与大气绝缘的屏障,可溶性化合物与自修复工程师 提供修复转换层的损坏部分。 构成:耐腐蚀性优异的化学处理钢板包括涂有Zn或其合金镀层的钢基体; 以及在Zn或其合金镀层的表面上生成的含有至少一种不溶性或几乎不溶解的金属化合物和至少一种可溶性金属化合物的转化层,其中,所述转化层由至少一种 复合化合物Mn和Ti,其中络合物选自氧化物,磷酸盐,氟化物和有机酸,转化层还含有一种或多种润滑剂,转化层还含有一种或多种不溶性或可溶性磷酸盐和复合磷酸盐, 转化层还含有一种或多种有机酸盐,其中不溶性或几乎不溶的金属化合物是阀金属的氧化物和氢氧化物中的一种或多种,​​并且可溶性金属化合物是阀金属氟化物中的一种或多种,​​阀 金属选自Ti,Zr,Hf,V,Nb,Ta,Mo和W,转化层含有F / O原子比不小于1/100的氟化物, 含有一种或多种可溶性或不溶性磷酸盐和复合磷酸盐,并且转化层还含有一种或多种有机酸盐。

    휨에 대한 저항성이 개선된 디스크 브레이크용 강판 및 이강판으로 제조된 디스크
    58.
    发明公开
    휨에 대한 저항성이 개선된 디스크 브레이크용 강판 및 이강판으로 제조된 디스크 有权
    具有改进的耐腐蚀和磁盘的盘式制动器的钢板

    公开(公告)号:KR1020020034905A

    公开(公告)日:2002-05-09

    申请号:KR1020010066970

    申请日:2001-10-30

    IPC分类号: C22C38/20

    摘要: PURPOSE: To provide a steel sheet for a disk brake having a performance of suppressing the generation of warpage in martensitic stainless steel in which the content of C is reduced and to provide a brake disk using the same. CONSTITUTION: This steel sheet for a disk brake has a chemical composition containing, by mass, 0.05 to 0.15% C,

    摘要翻译: 目的:提供具有抑制C含量降低的马氏体系不锈钢的翘曲发生性能的盘式制动器用钢板,并提供使用该钢板的制动盘。 本发明的盘式制动用钢板的化学成分含有C:0.05〜0.15%,Si:1.0%以下,Mn:1.0%以下,Cr:9.0〜15.0%,Cr:0.5〜 4.0%Cu,0.10〜2.0%Mo,≤0.10%N和0.05〜1.0%Nb,如果需要,含有选自<= 0.50%Ti,<= 0.2%Al,≤0.015% B,<= 0.2%稀土金属,<= 0.2%Y,<= 0.1%Ca和<= 0.1%Mg,余量为Fe,不可避免的杂质。 定义为γmax = 420℃+ 470N + 23Ni + 23Ni + 7Mn + 9Cu-11.5Cr-11.5Si-12 Mo-3.5Nb + 189的γmax被控制为<= 80。 在从同一钢板获得的制动盘中,在升温速度为5〜20℃/秒→保持600℃×10秒→升温后,盘的外周的翘曲高度→ 将500次循环的水冷控制为<= 0.3mm。

    도장금속판
    59.
    发明公开
    도장금속판 有权
    涂层薄膜中使用非化学化合物防腐颜料的涂层金属片

    公开(公告)号:KR1020020006425A

    公开(公告)日:2002-01-19

    申请号:KR1020010037155

    申请日:2001-06-27

    IPC分类号: C09D5/08

    CPC分类号: C09D5/084

    摘要: PURPOSE: To provide a coated metallic sheet which does not contain chromium compounds in coating pretreatment and in an undercoating resin and increased in rust preventability and moisture resistance. CONSTITUTION: The surface of a Zn or Al or Zn-Al plated metallic sheet is provided with a non-chromic chemical conversion treated layer containing one or more kinds of fluoroacids such as H2TiF6 so as to be controlled to 0.5 to 500 mg/m2 by the coating weight of fluorine or to 0.1 to 500 mg/m2 by the coating weight of the whole metal, and the surface is provided with an undercoating film layer in which a corrosion inhibitor (A) obtained by bonding calcium ions for suppressing corrosion to porous silica particles by ion exchange is added by 2 to 50 pts.mass to 100 pts.mass of the resin component in the coating film, and further, polyphosphate (B) is added to the coating film resin in such a manner that the ratio between the corrosion inhibitor (A) and the polyphosphate (B) is controlled, by mass, to A/B=60/40 to 5/95, and moreover, the total amount of the corrosion inhibitor (A) and the polyphosphate (B) to be added is controlled to 5 to 150 to 100 pts.mass of the resin.

    摘要翻译: 目的:提供在涂层预处理和底涂层树脂中不含铬化合物的涂层金属片,并提高防锈性和防潮性。 构成:Zn或Al或Zn-Al镀金属片的表面设置有含有一种或多种氟酸如H 2 TiF 6的非铬化学转化处理层,以便通过以下方式控制为0.5-500mg / m 2 氟的涂层重量或整个金属的涂层重量为0.1〜500mg / m 2,并且表面设置有底涂膜层,其中通过将用于抑制腐蚀的钙离子结合到多孔中而获得的腐蚀抑制剂(A) 通过离子交换的二氧化硅颗粒在涂膜中加入2〜50质量份至100质量%的树脂组分,此外,将多磷酸盐(B)以这样的方式加入到涂膜树脂中, 防腐剂(A)和多磷酸盐(B)的质量控制为A / B = 60/40〜5/95,此外,防腐剂(A)和多磷酸盐(B) 被添加到5至150至100磅/立方米的树脂中。

    고강도, 고인성 마르텐사이트계 스테인레스 강판, 냉연 강판 엣지 크래킹의 억제방법 및 당해 강판의 제조방법
    60.
    发明公开
    고강도, 고인성 마르텐사이트계 스테인레스 강판, 냉연 강판 엣지 크래킹의 억제방법 및 당해 강판의 제조방법 有权
    高强度,高韧性马氏体不锈钢板,抑制冷轧钢板边缘裂纹的方法及其制造方法

    公开(公告)号:KR1020010076405A

    公开(公告)日:2001-08-11

    申请号:KR1020010003302

    申请日:2001-01-19

    IPC分类号: C22C38/44

    摘要: PURPOSE: A high-strength, high-toughness martensitic stainless steel sheet suitable for use in various types of springs, metal gaskets, metal masks, flapper valves, steel belts and the like is provided, a method of inhibiting cold-rolled steel sheet edge cracking during production thereof is provided, and a method of producing the steel sheet is provided. CONSTITUTION: The -strength, high-toughness martensitic stainless steel sheet having a chemical composition comprises, in mass percent, more than 0.03 to 0.15% of C, 0.2 to 2.0% of Si, not more than 1.0% of Mn, not more than 0.06% of P, not more than 0.006% of S, 2.0 to 5.0% of Ni, 14.0 to 17.0% of Cr, more than 0.03 to 0.10% of N, 0.0010 to 0.0070% of B, and the balance of Fe and unavoidable impurities and having an A value defined by Equation(1) of not less than -1.8: A value=30(C+N)-1.5Si+0.5Mn+Ni-1.3Cr+11.8. The high-strength, high-toughness martensitic stainless steel sheet for metal gaskets comprises, in mass percent, more than 0.03 to 0.15% of C, 0.2 to 2.0% of Si, not more than 1.0% of Mn, not more than 0.06% of P, not more than 0.006% of S, 2.0 to 5.0% of Ni, 14.0 to 17.0% of Cr, more than 0.03 to 0.10% of N, 0.0010 to 0.0070% of B, and the balance of Fe and unavoidable impurities and including not less than 85 vol% martensite phase, a test specimen of which imparted with a nominal tensile strain of 0.1% exhibits a spring bending elastic limit Kb0.1 measured in conformity with JIS H 3130 of not less than 700 N/mm¬2.

    摘要翻译: 目的:提供一种适用于各种弹簧,金属垫片,金属掩模,挡板阀,钢带等的高强度高韧性马氏体不锈钢板,其特征在于,抑制冷轧钢板边缘 提供了在其生产过程中的裂纹,并提供了制造钢板的方法。 构成:具有化学成分的强度高韧性马氏体系不锈钢板以质量%计含有C:0.03〜0.15%,Si:0.2〜2.0%,Mn:1.0%以下,不大于 0.06%的P,不超过0.006%的S,2.0〜5.0%的Ni,14.0〜17.0%的Cr,0.03〜0.10%的N,0.0010〜0.0070%的B,剩余的Fe和不可避免的 具有等式(1)定义的A值不小于-1.8的值:A值= 30(C + N)-1.5Si + 0.5Mn + Ni-1.3Cr + 11.8。 用于金属垫圈的高强度,高韧性马氏体不锈钢板以质量%计含有C:0.03〜0.15%,Si:0.2〜2.0%,Mn:1.0%以下,0.06%以下 的P不超过0.006%,Ni为2.0〜5.0%,Cr为14.0〜17.0%,N为0.03〜0.10%,B为0.0010〜0.0070%,余量为Fe和不可避免的杂质, 包括不低于85体积%的马氏体相,赋予标称拉伸应变为0.1%的试样表现出根据JIS H 3130测量的弹性弯曲弹性极限Kb0.1不小于700N / mm2 。