Alloys having excellent erosion resistance and stress corrosion cracking
resistance
    1.
    发明授权
    Alloys having excellent erosion resistance and stress corrosion cracking resistance 失效
    合金具有优异的耐腐蚀性和抗应力腐蚀开裂性能

    公开(公告)号:US5096664A

    公开(公告)日:1992-03-17

    申请号:US648524

    申请日:1991-01-30

    IPC分类号: C22C38/00 C22C38/38

    CPC分类号: C22C38/38

    摘要: Alloys according to the present invention exhibit good resistance to erosion and stress corrosion cracking. The contents of individual components in these alloys as expressed in terms of wt. % are as follows:______________________________________ 0.35 .ltoreq. C .ltoreq. 1.7, Si .ltoreq. 2.5, 10 .ltoreq. Mn .ltoreq. 25, 6 .ltoreq. Cr .ltoreq. 20, 0.5 .ltoreq. V .ltoreq. 7, 0.5 .ltoreq. Nb .ltoreq. 3, and N .ltoreq. 0.1, Fe = balance. ______________________________________ Further, a mutual relationship represented by the following formula is maintained amoung the contents of V, Nb and C:(V/5+Nb/8)/C.gtoreq.1.0

    摘要翻译: 根据本发明的合金表现出良好的抗侵蚀和应力腐蚀开裂性能。 这些合金中的各成分的含量按wt表示。 %如下:-0.35 / = 1.0

    Method of manufacturing high strength and high toughness stainless steel
    2.
    发明授权
    Method of manufacturing high strength and high toughness stainless steel 失效
    制造高强度高韧性不锈钢的方法

    公开(公告)号:US5288347A

    公开(公告)日:1994-02-22

    申请号:US893888

    申请日:1992-06-04

    IPC分类号: C22C38/30 C22C38/52

    CPC分类号: C22C38/30 C22C38/52

    摘要: A high strength, high toughness stainless steel consisting, by weight, of C more than 0.16% but less than 0.25%, Si not more than 2.0%, Mn not more than 1.0%, Ni not more than 2.0%, Cr from 11 to 15%, Mo not less than 0.5% but less than 3.0%, Co from 12 to 21%, at least one kind selected from the group consisting of V from 0.1 to 0.5% and Nb less than 0.1% which at least one kind is added as occasion demands, and the balance Fe and incidental impurities. This steel is produced by a method comprising the steps of: preparing a stainless steel having the composition of any one of the claims 1 to 4; subjecting the stainless steel to a solution heat treatment at a temperature of 950.degree. to 1150.degree. C.; quenching the steel; subjecting the steel to a sub zero treatment at a temperature of -50 to -100.degree. C.; and subjecting the steel to a tempering at a temperature of 120.degree. to 450.degree. C.

    摘要翻译: 一种高强度,高韧性的不锈钢,其重量含量大于0.16%但小于0.25%,Si不大于2.0%,Mn不大于1.0%,Ni不大于2.0%,Cr从11到 15%,Mo不小于0.5%但小于3.0%,Co为12至21%,选自V为0.1至0.5%,Nb小于0.1%的至少一种,其中至少一种为 根据需要添加,余量为Fe和附带杂质。 该钢通过包括以下步骤的方法制备:制备具有权利要求1至4中任一项所述的组合物的不锈钢; 在950〜1150℃的温度下对不锈钢进行固溶热处理。 淬火钢; 在-50至-100℃的温度下对钢进行二次处理; 并在120〜450℃的温度下进行回火。

    High strength and high toughness martensitic stainless steel and method
of manufacturing the same
    3.
    发明授权
    High strength and high toughness martensitic stainless steel and method of manufacturing the same 失效
    高强度高韧性马氏体不锈钢及其制造方法

    公开(公告)号:US5358577A

    公开(公告)日:1994-10-25

    申请号:US93860

    申请日:1993-07-20

    IPC分类号: C22C38/30 C22C38/52

    CPC分类号: C22C38/30 C22C38/52

    摘要: A high strength, high toughness stainless steel consisting, by weight, of C more than 0.16% but less than 0.25%, Si not more than 2.0%, Mn not more than 1.0%, Ni not more than 2.0%, Cr from 11 to 15%, Mo not less than 0.5% but less than 3.0%, Co from 12 to 21%, at least one kind selected from the group consisting of V from 0.1 to 0.5% and Nb less than 0.1% which at least one kind is added as occasion demands, and the balance Fe and incidental impurities. This steel is produced by a method comprising the steps of: preparing a stainless steel having the composition of any one of the claims 1 to 4; subjecting the stainless steel to a solution heat treatment at a temperature of 950 to 1150.degree. C.; quenching the steel; subjecting the steel to a sub zero treatment at a temperature of -50.degree. to -100.degree. C.; and subjecting the steel to a tempering at a temperature of 120.degree. to 450.degree. C.

    摘要翻译: 一种高强度,高韧性的不锈钢,其重量含量大于0.16%但小于0.25%,Si不大于2.0%,Mn不大于1.0%,Ni不大于2.0%,Cr从11到 15%,Mo不小于0.5%但小于3.0%,Co为12至21%,选自V为0.1至0.5%,Nb小于0.1%的至少一种,其中至少一种为 根据需要添加,余量为Fe和附带杂质。 该钢通过包括以下步骤的方法制备:制备具有权利要求1至4中任一项所述的组合物的不锈钢; 对不锈钢进行950〜1150℃的固溶热处理。 淬火钢; 在-50℃至-100℃的温度下对钢进行二次处理; 并在120〜450℃的温度下对钢进行回火处理。

    Alloys having excellent erosion resistance
    4.
    发明授权
    Alloys having excellent erosion resistance 失效
    耐蚀性优良的合金

    公开(公告)号:US4882124A

    公开(公告)日:1989-11-21

    申请号:US256214

    申请日:1988-10-11

    CPC分类号: C22C38/38

    摘要: The alloys of this invention illustrate good property on erosion resistance. The compositions of these alloys are C: more than 0.09 wt. % and less than 1.7 wt. %, Si: 2.5 wt. % or less, Mn: 10-25 wt. %, Cr: 6-20 wt. %, V: more than 4 wt. % and less than 7 wt. % , N: 0.1 wt. % or less, and Fe: the rest. Optional small content is Ni and /or Mo.

    摘要翻译: 本发明的合金表现出耐侵蚀性的良好性能。 这些合金的组成是C:大于0.09wt。 %且小于1.7wt。 %,Si:2.5wt。 %以下,Mn:10〜25重量% %,Cr:6〜20wt。 %,V:大于4wt。 %且小于7wt。 %,N:0.1wt。 %以下,Fe:其余。 可选的小内容是Ni和/或Mo。

    Heat resistant steel for use as material of engine valve
    5.
    发明授权
    Heat resistant steel for use as material of engine valve 失效
    耐热钢用作发动机阀门材料

    公开(公告)号:US5064610A

    公开(公告)日:1991-11-12

    申请号:US559334

    申请日:1990-07-30

    IPC分类号: F01L3/02 C22C38/00 C22C38/58

    CPC分类号: C22C38/001 C22C38/58

    摘要: A heat resistant steel for use as a material of engine valves, having a composition containing, not less than 0.01% and below 0.20% of carbon, from 0.05% to 1.0% of silicon, from 7.5% to 15.0% of manganese, from 2.0% to 20.0% in total of at least one of nickel and cobalt, from 15.0% to 25.0% of chromium, not more than 3.0% of molybdenum, above 2.0% and not more than 10.0% of tungsten, not less than 0.01% and below 0.50% of niobium, from 0.30% to 0.65% of nitrogen, not more than 0.02% of boron, and the balance incidental inclusions and iron. Cobalt content is determined to meet the condition of % Co=(Ni.+-.5)%. The heat resistant steel meets the conditions of: oxidation weight loss when held at 1000.degree. C. for 100 hours being not greater than 0.15 mg/cm.sup.2 /hour in atmosphere; tensile strength being not less than 20 kgf/mm.sup.2 at 900.degree. C. after a solution treatment at 1030.degree. to 1070.degree. C. and a subsequent aging treatment; and creep rupture life at 900.degree. C. under stress load of 6 kgf/mm.sup.2 being not less than 25 hours.

    Heat resistant single crystal nickel-base super alloy
    6.
    发明授权
    Heat resistant single crystal nickel-base super alloy 失效
    耐热单晶镍基超合金

    公开(公告)号:US4976791A

    公开(公告)日:1990-12-11

    申请号:US469740

    申请日:1990-01-19

    IPC分类号: C22C19/05

    CPC分类号: C22C19/057

    摘要: This invention relates to a heat resistant single-crystal nickel-base super alloy that possesses microstructural stability and excellent creep rupture strength and oxidation resistance. This alloy is composed of 4-9% chromium, 4-6.5% aluminum, 5-8.5% wolfram, 5-8.5% tantalum, 3-6% molybdenum, 0.01-0.30% hafnium, 0.02-4% cobalt by weight, and the balance of nickel and incidental elements and meets the conditional expression wolfram+tantalum

    摘要翻译: 本发明涉及具有微结构稳定性和优异的抗蠕变断裂强度和抗氧化性的耐热单晶镍基超合金。 该合金由4-9%铬,4-6.5%铝,5-8.5%钨,5-8.5%钽,3-6%钼,0.01-0.30%铪,0.02-4%重量钴组成,以及 镍和偶然元素的平衡,满足条件表达式wolfram +钽<16%。 该合金的优选化学组成为约6.4%的铬,约5.1%的铝,约7.3%的钨,7.3%的钽,约4.3%的钼,约0.1%的铪,约1%的钴,余量的镍和 附带要素

    Copper-base alloys for leadframes
    7.
    发明授权
    Copper-base alloys for leadframes 失效
    用于引线框架的铜基合金

    公开(公告)号:US4612167A

    公开(公告)日:1986-09-16

    申请号:US707206

    申请日:1985-03-01

    IPC分类号: C22C9/06 H01L23/495

    摘要: A copper-base alloy for leadframes comprising 0.8-4.0 weight % of Ni, 0.2-4.0 weight % of Ti, and balance Cu and inevitable impurities, the ratio of Ni to Ti being 1-4. It may also comprise 0.1-2.0 weight % of Zn. It may further comprise 0.01-2.0 weight % of at least one of Fe and Co and 0.005-0.5 weight % of at least one element selected from the group consisting of Al, Si, Mn and Mg. The copper-base alloy has good electric conductivity and high mechanical strength. It further has good solderability and solder durability.

    摘要翻译: 一种用于引线框的铜基合金,其包含0.8-4.0重量%的Ni,0.2-4.0重量%的Ti,余量为Cu和不可避免的杂质,Ni与Ti的比例为1-4。 它还可以包含0.1-2.0重量%的Zn。 还可以包含0.01-2.0重量%的Fe和Co中的至少一种和0.005-0.5重量%的选自Al,Si,Mn和Mg的至少一种元素。 铜基合金具有良好的导电性和较高的机械强度。 它还具有良好的可焊性和焊料耐久性。

    Ferritic heat resisting steel having superior high-temperature strength
    9.
    发明授权
    Ferritic heat resisting steel having superior high-temperature strength 失效
    具有超高温强度的耐热钢

    公开(公告)号:US5061440A

    公开(公告)日:1991-10-29

    申请号:US546860

    申请日:1990-07-02

    IPC分类号: C22C38/00 C22C38/52 C22C38/54

    CPC分类号: C22C38/52

    摘要: A ferritic heat resisting steel usable as the material of parts of steam and gas turbines of a power generating plant. Co content and Mo content are increased as compared with known alloy steels of the same kind. For instance, the alloy steel has a composition containing, by weight, 0.05 to 0.20% C, 0.05 to 1.5% Mn, 0.05 to 1.0% Ni, 9.0 to 13.0% Cr, 0.05 to less than 0.50% Mo, 2.0 to 3.5% W, 0.05 to 0.30% V, 0.01 to 0.20% Nb, 2.1 to 10.0% Co, 0.01 to 0.1% N, and the balance substantially Fe and incidental impurities, with Si as an impurity limited to be not more than 0.15%.

    Single-crystal Ni-based super-heat-resistant alloy
    10.
    发明授权
    Single-crystal Ni-based super-heat-resistant alloy 失效
    单晶镍基超耐热合金

    公开(公告)号:US4802934A

    公开(公告)日:1989-02-07

    申请号:US927109

    申请日:1986-11-05

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056

    摘要: A single-crystal Ni-based super-heat-resistant alloy consisting essentially of, by weight percentage, 4 to 10% of Cr, 4 to 6.5% of Al, 4 to 10% of W, 4 to 9% of Ta, 1.5 to 6% of Mo, and the balance substantially Ni and impurities; or the alloy containing not greater than 12% of Co in addition to the above composition; wherein the contents of W, Ta and Mo are selected to meet the following condition: 1/2.W+1/2.Ta+Mo=9.5% to 13.5%.

    摘要翻译: 单晶Ni基超耐热合金,其重量百分比为4〜10%的Cr,4〜6.5%的Al,4〜10%的W,4〜9%的Ta,1.5 至6%的Mo,余量基本上为Ni和杂质; 或除了上述组成外还含有不超过12%Co的合金; 其中选择W,Ta和Mo的含量以满足以下条件:1 / 2.W + 1 / 2.Ta + Mo = 9.5%至13.5%。