Low thermal expansion Ni-base superalloy
    1.
    发明申请
    Low thermal expansion Ni-base superalloy 有权
    低热膨胀Ni基超合金

    公开(公告)号:US20070284018A1

    公开(公告)日:2007-12-13

    申请号:US11808614

    申请日:2007-06-12

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056 C22C19/055

    摘要: The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5% or more but less than 20%; at least one of Mo, W and Re, in which Mo+½(W+Re) is 5% or more but less than 20%; W: 10% or less; Al: 0.1 to 2.5%; Ti: 0.10 to 0.95%; Nb+½Ta: 1.5% or less; B: 0.001 to 0.02%; Zr: 0.001 to 0.2%; Fe: 4.0% or less; and a balance of inevitable impurities and Ni, in which the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5% in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.

    摘要翻译: 本发明涉及以质量%计含有C:0.15%以下的低热膨胀性Ni基超合金。 Si:1%以下; Mn:1%以下; Cr:5%以上但小于20%; Mo,W和Re中的至少一种,其中Mo + 1/2(W + Re)为5%以上但小于20%; W:10%以下; Al:0.1〜2.5% Ti:0.10〜0.95% Nb +½Ta:1.5%以下; B:0.001〜0.02%; Zr:0.001〜0.2% Fe:4.0%以下; 余量为不可避免的杂质和Ni,其中Al,Ti,Nb和Ta的总量按原子%计为2.0〜6.5%。 本发明的低热膨胀性Ni基超合金的热膨胀系数几乎与12Cr铁素体钢的热膨胀系数相当,耐高温性优异,耐腐蚀性,耐氧化性优异,热加工性良好,焊接性优异。

    Low thermal expansion Ni-base superalloy
    2.
    发明授权
    Low thermal expansion Ni-base superalloy 有权
    低热膨胀Ni基超合金

    公开(公告)号:US08491838B2

    公开(公告)日:2013-07-23

    申请号:US11808614

    申请日:2007-06-12

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056 C22C19/055

    摘要: The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5% or more but less than 20%; at least one of Mo, W and Re, in which Mo+½(W+Re) is 5% or more but less than 20%; W: 10% or less; Al: 0.1 to 2.5%; Ti: 0.10 to 0.95%; Nb+½Ta: 1.5% or less; B: 0.001 to 0.02%; Zr: 0.001 to 0.2%; Fe: 4.0% or less; and a balance of inevitable impurities and Ni, in which the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5% in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.

    摘要翻译: 本发明涉及以质量%计含有C:0.15%以下的低热膨胀性Ni基超合金。 Si:1%以下; Mn:1%以下; Cr:5%以上但小于20%; Mo,W和Re中的至少一种,其中Mo + 1/2(W + Re)为5%以上但小于20%; W:10%以下; Al:0.1〜2.5% Ti:0.10〜0.95% Nb +½Ta:1.5%以下; B:0.001〜0.02%; Zr:0.001〜0.2% Fe:4.0%以下; 余量为不可避免的杂质和Ni,其中Al,Ti,Nb和Ta的总量按原子%计为2.0〜6.5%。 本发明的低热膨胀性Ni基超合金的热膨胀系数几乎与12Cr铁素体钢的热膨胀系数相当,耐高温性优异,耐腐蚀性,耐氧化性优异,热加工性良好,焊接性优异。

    Thermal fatigue resistant cast steel
    3.
    发明授权
    Thermal fatigue resistant cast steel 有权
    耐热疲劳铸钢

    公开(公告)号:US07326307B2

    公开(公告)日:2008-02-05

    申请号:US10395236

    申请日:2003-03-25

    IPC分类号: C22C38/48

    摘要: Disclosed is a heat resistant cast steel having not only good heat resistance but also good thermal fatigue resistance, which is suitable as the material for engine parts, particularly, such as exhaust gas manifold and turbo-housing, which are repeatedly exposed to such a high temperature as 900° C. or higher. The heat resistant cast steel comprises, by weight percent, C: 0.2-1.0%, Ni: 8.0-45.0%, Cr: 15.0-30.0%, W: up to 10% and Nb: 0.5-3.0%, provided that [%C]-0.13[%Nb]: 0.05-0.95%, the balance being Fe and inevitable impurities, and the cast structure contains dispersed therein, by atomic percent, MC-type carbides: 0.5-3.0% and M23C6-type carbides: 0.5-10.0%. The matrix of the steel is an austenitic phase mainly composed of Fe—Ni—Cr and the steel has the mean coefficient of thermal expansion in the range from room temperature to 1050° C. up to 20.0×10−4 and a tensile strength in the temperature range up to 1050° C. 50 MPa or higher.

    摘要翻译: 本发明公开了一种不仅具有良好的耐热性,而且具有良好的耐热疲劳性的耐热铸钢,其适合作为反复暴露于这样高的发动机部件,特别是排气歧管和涡轮壳体的材料 温度为900℃以上。 耐热铸钢以C:0.2-1.0%,Ni:8.0-45.0%,Cr:15.0-30.0%,W:至多10%和Nb:0.5-3.0%的重量百分比包含,条件是[% C] -0.13 [%Nb]:0.05-0.95%,余量为Fe和不可避免的杂质,并且铸态结构含有分散在其中的原子百分比为MC-型碳化物:0.5-3.0%和M 23 / 6类型碳化物:0.5-10.0%。 钢的基质是主要由Fe-Ni-Cr组成的奥氏体相,并且钢的平均热膨胀系数在室温至1050℃至20.0×10 -4的范围内 >和在1050℃以上的温度范围内的拉伸强度为50MPa以上。

    DEVICE AND METHOD FOR EXTRACTING AND SEPARATING SODIUM AND POTASSIUM
    4.
    发明申请
    DEVICE AND METHOD FOR EXTRACTING AND SEPARATING SODIUM AND POTASSIUM 审中-公开
    用于提取和分离钠和钾的装置和方法

    公开(公告)号:US20120093708A1

    公开(公告)日:2012-04-19

    申请号:US13378389

    申请日:2010-07-22

    IPC分类号: C01D7/00 B01J19/00

    摘要: Provided is an extracting and separating device which includes: an ash reactor 12 for preparing a solution having a temperature of about 60° C. by using incineration ash containing sodium, potassium, and chlorine; a cooling crystallizer 16 for reducing the temperature of the solution to 30° C. to produce and separate potassium chloride; an absorption tower 11 for reacting the solution with carbon dioxide-containing gas to produce and separate sodium hydrogen carbonate; and a circulation path 13 for returning to the ash reactor 12 a liquid obtained after the production and separation of the potassium chloride in the cooling crystallizer 16 and the sodium hydrogen carbonate in the absorption tower 11.

    摘要翻译: 提供了一种提取分离装置,其包括:灰烬反应器12,用于通过使用含有钠,钾和氯的焚烧灰制备温度为约60℃的溶液; 冷却结晶器16,用于将溶液的温度降低至30℃以产生和分离氯化钾; 用于使溶液与含二氧化碳的气体反应以产生和分离碳酸氢钠的吸收塔11; 以及循环路径13,用于在冷却结晶器16中生产和分离氯化钾之后获得的液体和吸收塔11中的碳酸氢钠返回到灰尘反应器12。

    Heat-resistant austenitic stainless steel and a production process thereof
    5.
    发明申请
    Heat-resistant austenitic stainless steel and a production process thereof 审中-公开
    耐热奥氏体不锈钢及其制造方法

    公开(公告)号:US20050194073A1

    公开(公告)日:2005-09-08

    申请号:US11071333

    申请日:2005-03-04

    摘要: To provide a heat-resistant austenitic stainless steel having high-temperature strength and sag-resistance capable of resisting working temperatures of not less than 550° C. as well as being low in cost, and a production process thereof. The steel consistent with the present invention contains not more than 0.1 wt % C, less than 1.0 wt % Si, 1.0 wt % to 10.0 wt % Mn, not more than 0.03 wt % P, not more than 0.01 wt % S, 0.01 wt % to 3.0 wt % Cu, 7.0 wt % to 15.0 wt % Ni, 15.0 wt % to 25.0 wt % Cr, 0.5 wt % to 5.0 wt % Mo, not more than 0.03 wt % Al, 0.4 wt % to 0.8 wt % N, and the remainder substantially consisting of Fe and unavoidable impurities.

    摘要翻译: 本发明提供一种具有耐温度不低于550℃的高温强度和耐流挂性的耐热奥氏体不锈钢,并且成本低,及其制造方法。 与本发明一致的钢含有不超过0.1重量%的C,小于1.0重量%的Si,1.0重量%至10.0重量%的Mn,不大于0.03重量%的P,不大于0.01重量%的S,0.01重量% %至3.0wt%的Cu,7.0wt%至15.0wt%的Ni,15.0wt%至25.0wt%的Cr,0.5wt%至5.0wt%的Mo,不大于0.03wt%的Al,0.4wt%至0.8wt%的N ,其余基本上由Fe和不可避免的杂质组成。

    Martensitic stainless steel
    7.
    发明申请
    Martensitic stainless steel 审中-公开
    马氏体不锈钢

    公开(公告)号:US20050194067A1

    公开(公告)日:2005-09-08

    申请号:US11071170

    申请日:2005-03-04

    摘要: A martensitic stainless steel of this invention, aimed at achieving excellent corrosion resistance and cold workability and a desirable level of toughness, while keeping the hardness equivalent to that of conventional martensitic stainless steel, which consists essentially of, in % by mass, C: less than 0.15%, Si: 0.05% or more and less than 0.20%, Mn: 0.05-2.0%, P: 0.03% or less, S: 0.03% or less, Cu: 0.05-3.0%, Ni: 0.05-3.0%, Cr: 13.0-20.0%, Mo: 0.2-4.0%, V: 0.01-1.0%, Al: 0.030% or less, Ti: less than 0.020%, O: 0.020% or less, N: 0.40-0.80%, and the balance of Fe and inevitable impurities.

    摘要翻译: 本发明的马氏体不锈钢旨在实现优异的耐腐蚀性和冷加工性,并且具有理想的韧性水平,同时保持与常规马氏体不锈钢相当的硬度,其基本上以质量%计,C:少 不超过0.15%,Si:0.05%以上且小于0.20%,Mn:0.05〜2.0%,P:0.03%以下,S:0.03%以下,Cu:0.05〜3.0%,Ni:0.05〜3.0% ,Cr:13.0〜20.0%,Mo:0.2〜4.0%,V:0.01〜1.0%,Al:0.030%以下,Ti:0.020%以下,O:0.020%以下,N:0.40〜0.80% 余量为Fe和不可避免的杂质。

    Stainless cast steel having good heat resistance and good machinability
    8.
    发明授权
    Stainless cast steel having good heat resistance and good machinability 有权
    不锈钢铸钢具有良好的耐热性和良好的机械加工性能

    公开(公告)号:US06685881B2

    公开(公告)日:2004-02-03

    申请号:US09956108

    申请日:2001-09-20

    IPC分类号: C22C3844

    摘要: Disclosed is an austenitic stainless cast steel which has such a good heat resistance as can be used at a high temperature higher than 950° C. and a good machinability. The stainless cast steel consists essentially of, by weight %, C: 0.2-0.4%, Si: 0.5-2.0%, Mn: 0.5-2.0%, P: up to 0.10%, S: 0.04-0.2%, Ni: 8.0-42.0%, Cr: 15.0-28.0%, W: 0.5-7.0%, Nb: 0.5-2.0%, Al: up to 0.02%, Ti: up to 0.05%, N: up to 0.15%, Se: 0.001-0.50% and the balance of Fe and inevitable impurities.

    摘要翻译: 公开了一种奥氏体不锈钢铸钢,其具有如在高于950℃的高温下可使用的良好的耐热性和良好的机械加工性。 不锈铸钢基本上由重量%C:0.2-0.4%,Si:0.5-2.0%,Mn:0.5-2.0%,P:至多0.10%,S:0.04-0.2%,Ni:8.0 -42.0%,Cr:15.0〜28.0%,W:0.5〜7.0%,Nb:0.5〜2.0%,Al:0.02%以下,Ti:0.05%以下,N:0.15%以下,Se: 0.50%,余量为Fe和不可避免的杂质。

    Steel for a plastic molding die
    10.
    发明申请
    Steel for a plastic molding die 审中-公开
    塑钢成型模具

    公开(公告)号:US20060285992A1

    公开(公告)日:2006-12-21

    申请号:US11444460

    申请日:2006-06-01

    IPC分类号: C22C38/22

    摘要: To provide a steel for plastic molding die which possesses enough hardness, wear resistance and corrosion resistance, and is excellent in high-precision processability and mirror polishing properties. The steel for a plastic molding die contains not more than 0.80 wt % C, not less than 0.01 wt % and less than 1.40 wt % Si, not less than 0.05 wt % and not more than 2.0 wt % Mn, not less than 0.005 wt % and not more than 1.00 wt % Ni, not less than 13.0 wt % and not more than 20.0 wt % Cr, not less than 0.20 wt % and not more than 4.0 wt % Mo+½ W, not less than 0.01 wt % and not more than 1.00 wt % V, not less than 0.36 wt % and not more than 0.80 wt % N, not more than 0.02 wt % O, not more than 0.80 wt % Al, and the remainder substantially including Fe and unavoidable impurities.

    摘要翻译: 提供具有足够硬度,耐磨性和耐腐蚀性的塑料模具用钢,并且具有优异的高精度加工性和镜面抛光性能。 用于塑料模具的钢包含不大于0.80重量%的C,不小于0.01重量%且小于1.40重量%的Si,不小于0.05重量%且不大于2.0重量%的Mn,不小于0.005重量% %,不大于1.00重量%的Ni,不小于13.0重量%且不大于20.0重量%的Cr,不小于0.20重量%且不大于4.0重量%的Mo +½W,不小于0.01重量%,以及 不大于1.00重量%的V,不小于0.36重量%且不大于0.80重量%的N,不大于0.02重量%的O,不大于0.80重量%的Al,其余部分基本上包括Fe和不可避免的杂质。