Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel
    1.
    发明授权
    Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel 有权
    耐热钢,耐热钢热处理方法以及由耐热钢制成的部件

    公开(公告)号:US06821360B2

    公开(公告)日:2004-11-23

    申请号:US09725234

    申请日:2000-11-29

    IPC分类号: C22C3818

    摘要: A heat-resisting steel comprising 0.15-0.30 wt. % C, 0.05-0.3 wt. % Si, 0.01-0.7 wt. % Mn, 1.8-2.5 wt. % Cr, 0.15-0.23 wt. % V, 1.5-2.5 wt. % W, 0.01-0.02 wt. % Ti, 0.01-0.08 wt. % Nb, 0.005-0.03 wt. % N, 0.001-0.015 wt. % B, and Fe and unavoidable impurities as the remainder; a heat-resisting steel comprising 0.15-0.30 wt. % C, 0.05-0.3 wt. % Si, 0.01-0.7 wt. % Mn, 1.8-2.5 wt. % Cr, 0.15-0.23 wt. % V, 1.5-2.5 wt. % W, 0.3-0.8 wt. % Mo, 0.01-0.02 wt. % Ti, 0.01-0.08 wt. % Nb, 0.005-0.03 wt. % N, 0.001-0.015 wt. % B, and Fe and unavoidable impurities as the remainder; and a heat-resisting steel that is obtained by subjecting one of the above heat-resisting steels to a heat treatment comprising the step of oil-cooling the heat-resisting steel to a temperature of 300° C. or lower. These heat-resisting steels are excellent in both high-temperature strength and impact properties.

    摘要翻译: 一种耐热钢,其含有0.15-0.30wt。 %C,0.05-0.3重量% %Si,0.01-0.7wt。 %Mn,1.8-2.5重量% %Cr,0.15-0.23wt。 %V,1.5-2.5wt。 %W,0.01-0.02wt。 %Ti,0.01-0.08wt。 %Nb,0.005-0.03wt。 %N,0.001-0.015wt。 %B,Fe和其余的不可避免的杂质; 包含0.15-0.30重量%的耐热钢。 %C,0.05-0.3重量% %Si,0.01-0.7wt。 %Mn,1.8-2.5重量% %Cr,0.15-0.23wt。 %V,1.5-2.5wt。 %W,0.3-0.8wt。 %Mo,0.01-0.02wt。 %Ti,0.01-0.08wt。 %Nb,0.005-0.03wt。 %N,0.001-0.015wt。 %B,Fe和其余的不可避免的杂质; 以及耐热钢,其通过使上述耐热钢中的一种进行热处理而获得,所述热处理包括将耐热钢的油冷却步骤至300℃或更低的温度。 这些耐热钢在高温强度和冲击性方面均优异。

    High toughness heat-resistant steel, turbine rotor and method of producing the same
    2.
    发明授权
    High toughness heat-resistant steel, turbine rotor and method of producing the same 失效
    高韧性耐热钢,涡轮转子及其制造方法

    公开(公告)号:US06193469B1

    公开(公告)日:2001-02-27

    申请号:US09046793

    申请日:1998-03-24

    IPC分类号: F01D528

    摘要: A high toughness heat-resistant steel, a turbine rotor formed of this steel and a method of producing the turbine rotor are described. The heat-resistant steel has a composition consisting essentially of: 0.05 to 0.30 wt % C, 0 to 0.20 wt % Si, 0 to 1.0 wt % Mn, 8.0 to 14.0 wt % Cr, 0.5 to 3.0 wt % Mo, 0.10 to 0.50 wt % V, 2.0 to 5.0 wt % Ni, 0.01 to 0.50 wt % Nb, 0.01 to 0.08 wt % N, 0.001 to 0.020 wt % B, balance Fe and unavoidable impurities. The steel has excellent characteristics in not only tensile strength and toughness at a relatively low temperature condition of a steam turbine such as high/low pressure combined type one but also creep rupture strength at a high temperature condition of this turbine.

    摘要翻译: 描述了一种高韧性耐热钢,由该钢形成的涡轮转子和制造该涡轮转子的方法。 耐热钢的组成主要包括:0.05〜0.30重量%的C,0〜0.20重量%的Si,0〜1.0重量%的Mn,8.0〜14.0重量%的Cr,0.5〜3.0重量%的Mo,0.10〜0.50 重量%V,2.0〜5.0重量%Ni,0.01〜0.50重量%Nb,0.01〜0.08重量%N,0.001〜0.020重量%B,余量为Fe和不可避免的杂质。 该钢具有不仅在蒸汽涡轮机的较低温度条件下的拉伸强度和韧性优异,例如高/低压组合型,而且在该涡轮的高温条件下也具有蠕变断裂强度。

    Rotor for steam turbine and manufacturing method thereof
    3.
    发明授权
    Rotor for steam turbine and manufacturing method thereof 失效
    蒸汽轮机转子及其制造方法

    公开(公告)号:US5779821A

    公开(公告)日:1998-07-14

    申请号:US276920

    申请日:1994-07-19

    摘要: A rotor for steam turbine rotor made of a heat resistant steel having a composition, which contains 0.05 to 0.3% by weight of C, 8.0 to 13.0% by weight of Cr, 1.0% by weight or less (excluding 0%) of Si, 1.0% by weight or less (excluding 0%) of Mn, 2.0% by weight or less (excluding 0%) of Ni, 0.10 to 0.50% by weight of V, 0.50 to 5.0% by weight of W, 0.025 to 0.10% by weight of N, 1.5% by weight or less excluding 0%) of Mo, at least one element selected from the group consisting of 0.03 to 0.25% by weight of Nb and 0.03 to 0.50% by weight of Ta, 0 to 3% of Re, 0 to 5.0% by weight of Co, 0 to 0.05% by weight of B and the balance of Fe and inevitable impurities, and having a ferrite/martensite structure.

    摘要翻译: 一种蒸汽涡轮转子的转子,其由耐热钢制成,其组成为:含有0.05〜0.3重量%的C,8.0〜13.0重量%的Cr,1.0重量%以下(不含0%)的Si, 1.0重量%以下(不包括0%)的Mn,2.0重量%以下(不含0%)的Ni,0.10〜0.50重量%的V,0.50〜5.0重量%的W,0.025〜0.10重量% 的N,1.5重量%以下,不含0%)的Mo,选自0.03〜0.25重量%的Nb和0.03〜0.50重量%的Ta中的至少一种元素,0〜3重量% 的Co,0〜5.0重量%的Co,0〜0.05重量%的B,余量由Fe和不可避免的杂质构成,具有铁素体/马氏体组织。

    Heat resisting steels
    4.
    发明授权
    Heat resisting steels 失效
    耐热钢

    公开(公告)号:US5560788A

    公开(公告)日:1996-10-01

    申请号:US461404

    申请日:1995-06-05

    CPC分类号: C22C38/30 C22C38/22

    摘要: A heat resisting steels comprising, on percentage by weight basis, 0.05 to 0.2% of C, not more than 1.0% of Ni, 9 to 13% of Cr, 0.05 to 1% of Mo, 0.05 to 0.3% of V, 1 to 3% of W, 1 to 5% of Co, 0.01 to 0.1% of N, at least one member selected from 0.01 to 0.15% of Nb, 0.01 to 0.15% of Ta, 0.003 to 0.03% of a rare earth element, 0.003 to 0.03% of Ca and 0.003 to 0.03% of B, and the remainder of Fe and unavoidable impurities have enhanced high temperature characteristics and are suitable for use in parts of turbine such as turbine rotors, turbine blades, turbine disks and bolts.

    摘要翻译: 一种耐热钢,其以重量%计含有0.05%至0.2%的C,不超过1.0%的Ni,9至13%的Cr,0.05至1%的Mo,0.05至0.3%的V,1至 3%的W,1〜5%的Co,0.01〜0.1%的N,选自0.01〜0.15%的Nb,0.01〜0.15%的Ta,0.003〜0.03%的稀土元素,0.003 至0.03%的Ca和0.003〜0.03%的B,其余的Fe和不可避免的杂质具有提高的高温特性,并且适用于涡轮机的部件,例如涡轮转子,涡轮叶片,涡轮盘和螺栓。

    Heat resistant steel casting and method of manufacturing the same
    6.
    发明授权
    Heat resistant steel casting and method of manufacturing the same 有权
    耐热铸钢及其制造方法

    公开(公告)号:US06494970B1

    公开(公告)日:2002-12-17

    申请号:US09721977

    申请日:2000-11-27

    IPC分类号: C22C3822

    摘要: Disclosed is a heat resistant steel casting, comprising C, 0.15-0.3%, Si, 0.1-0.30%, Mn, 0.01-0.1%, Cr, 2.0-2.5%, Mo, 0.3-0.8%, V, 0.23-0.3%, W, 1.6-2.6%, N, 0.005-0.03%, B, 0.001-0.004%, impurity elements including Ni not larger than 0.2%, P not larger than 0.03% and S not larger than 0.01%, B equivalent determined by B+0.5N given below being not larger than 0.02%, Mo equivalent determined by Mo+0.5W given below falling within a range of between 1.4% and 2.0%, and C equivalent determined by C+Mn/6+Si/24+Ni/40+Cr/5+Mo/14+V/14 given below being not smaller than 0.65%, and balance of iron wherein a precipitated phase consisting of a M23C6 carbide, a M7C3 carbide, and MX carbonitride is a texture finely precipitated in a matrix phase, and a ratio of the precipitated phase to the matrix phase falls within a range of between 0.6% and 1.0%.

    摘要翻译: 公开了一种耐热钢铸件,包括C:0.15-0.3%,Si,0.1-0.30%,Mn,0.01-0.1%,Cr,2.0-2.5%,Mo,0.3-0.8%,V,0.23-0.3% ,W为1.6-2.6%,N为0.005-0.03%,B为0.001-0.004%,包含Ni不大于0.2%的杂质元素,P不大于0.03%,S不大于0.01%,B等价物由 以下给出的B + 0.5N不大于0.02%,由Mo + 0.5W确定的Mo当量在1.4%至2.0%之间的范围内,C等于由C + Mn / 6 + Si / 24 + 下面给出的Ni / 40 + Cr / 5 + Mo / 14 + V / 14不小于0.65%,其中由M23C6碳化物,M7C3碳化物和MX碳氮化物组成的沉淀相的余量为精细沉淀的织构 在基质相中,析出相与基体相的比例在0.6%〜1.0%的范围内。

    High pressure-low pressure single cylinder turbine rotor and method of
making
    7.
    发明授权
    High pressure-low pressure single cylinder turbine rotor and method of making 失效
    高压低压单缸汽轮机转子及其制造方法

    公开(公告)号:US5611873A

    公开(公告)日:1997-03-18

    申请号:US413156

    申请日:1995-03-29

    CPC分类号: C22C38/46 C21D9/38

    摘要: A high pressure-low pressure single cylinder turbine rotor is disclosed which is characterized by being formed of a steel of a composition having, by weight, a C content of from 0.10 to 0.35%, a Si (silicon) content of not more than 0.3% (not including 0%), a Mn (manganese) content of not more than 1.0% (not including 0%), a Ni content of from 1.0 to 2.0%, a Cr (chromium) content of from 1.5 to 3.0%, a Mo content of from 0.9 to 1.3%, a V (vanadium) content of from 0.10 to 0.35%, a Nb (niobium) content of from 0.01 to 0.15%, a W content of from 0.1 to 1.5%, and the balance of Fe (iron) and inevitable impurities, the inevitable impurities having a P content of not more than 0.005%, a S content of not more than 0.001%, an As content of not more than 0.008%, a Sb content of not more than 0.004%, and a Sn content of not more than 0.008%.

    摘要翻译: 公开了一种高压低压单缸汽轮机转子,其特征在于由具有0.10至0.35重量%的C含量,不大于0.3的Si(硅)含量的组合物的钢形成 %(不包括0%),Mn(锰)含量不大于1.0%(不包括0%),Ni含量为1.0至2.0%,Cr(铬)含量为1.5至3.0% Mo含量为0.9〜1.3%,V(钒)含量为0.10〜0.35%,Nb(铌)含量为0.01〜0.15%,W含量为0.1〜1.5%,余量为 Fe(铁)和不可避免的杂质,P含量不大于0.005%,S含量不大于0.001%,As含量不大于0.008%,Sb含量不大于0.004的不可避免的杂质 %,Sn含量不大于0.008%。

    Process for producing high-and low-pressure integral-type turbine rotor
    8.
    发明授权
    Process for producing high-and low-pressure integral-type turbine rotor 失效
    制造高低压一体式涡轮转子的方法

    公开(公告)号:US5716468A

    公开(公告)日:1998-02-10

    申请号:US576460

    申请日:1995-12-21

    摘要: A rotor forging composed of Cr--Mo--V type alloy based on iron is normalizing-treated at a temperature of from 1000 to 1150.degree. C., the temperature is maintained at 650.degree.-750.degree. C. on the way of cooling the temperature from the normalizing-treating temperature to pearlite transform the microstructure of the rotor forging, the portions of the rotor forging corresponding to a high pressure or middle pressure portion are quenched at 940.degree.-1020.degree. C. and the portion corresponding to the low pressure portion is quenched at 850.degree.-940.degree. C. after the heat treatment is carried out at 920.degree.-950.degree. C. once or more times, and the rotor forging is subjected to tempering at 550.degree.-700.degree. C. once or more times. A high creep strength at the high and middle pressure portions can be obtained and, at the same time, the toughness at the low pressure portion is drastically enhanced.

    摘要翻译: 由铁基的Cr-Mo-V型合金构成的转子锻造在1000〜1150℃的温度下进行标准化处理,在冷却温度的过程中将温度保持在650〜 从归一化处理温度向珠光体转变为转子锻造的微观结构,对应于高压或中压部分的转子锻造部分在940-1020℃下淬火,对应于低压部分的部分 在920-950℃进行一次或多次热处理后,在850-940℃下淬火,转子锻件在550〜-78℃下回火一次或多次 。 可以获得高中压部分的高蠕变强度,并且同时,低压部分的韧性显着提高。

    LITHIUM SECONDARY-BATTERY PACK, ELECTRONIC DEVICE USING SAME, CHARGING SYSTEM, AND CHARGING METHOD
    10.
    发明申请
    LITHIUM SECONDARY-BATTERY PACK, ELECTRONIC DEVICE USING SAME, CHARGING SYSTEM, AND CHARGING METHOD 审中-公开
    锂二次电池组,使用相同的电子设备,充电系统和充电方法

    公开(公告)号:US20140227562A1

    公开(公告)日:2014-08-14

    申请号:US14241663

    申请日:2012-09-03

    IPC分类号: H02J7/00 H01M2/34

    摘要: A lithium secondary-battery pack of the present invention includes: a lithium secondary battery including an electrode body and a non-aqueous electrolyte, the electrode body including a positive electrode and a negative electrode facing each other, and a separator interposed therebetween; a PTC (Positive Temperature Coefficient) element; and a protection circuit including a field-effect transistor, wherein the negative electrode includes a negative electrode material mixture layer containing a Si-containing material as a negative electrode active material, and, where Z represents an impedance (Ω) of the lithium secondary-battery pack and Q represents a capacity (Ah) of the lithium secondary-battery pack, an impedance capacity index represented by Z/Q is 0.055 Ω/Ah or less.

    摘要翻译: 本发明的锂二次电池组包括:锂二次电池,其包括电极体和非水电解质,所述电极体包括正极和负极彼此面对的隔膜; PTC(正温度系数)元件; 以及包括场效应晶体管的保护电路,其中所述负极包括含有含Si材料作为负极活性物质的负极材料混合物层,并且其中Z表示所述锂二次电池的阻抗(& OHgr) 电池组,Q表示锂二次电池组的容量(Ah),Z / Q表示的阻抗容量指数为0.055&OHgr / Ah以下。