Heat resisting alloy for exhaust valve and method for producing the
exhaust valve
    21.
    发明授权
    Heat resisting alloy for exhaust valve and method for producing the exhaust valve 失效
    排气阀用耐热合金及排气阀的制造方法

    公开(公告)号:US5951789A

    公开(公告)日:1999-09-14

    申请号:US955753

    申请日:1997-10-22

    摘要: A heat resisting alloy for use in exhaust valves low in price and excellent in the cold workability and possible to be formed into valve shapes through the cold or warm working, which consists by weight percentage of C: 0.01.about.0.1%, Si.ltoreq.2%, Mn.ltoreq.2%, Cr: 12.about.25%, Nb+Ta: 0.2.about.2.0%, Ti.ltoreq.3.5%, Al: 0.5.about.3.0%, Ni: 25.about.45%, Cu: 0.1.about.5.0%, optionally at least one element selected from W.ltoreq.3%, Mo.ltoreq.3%, and V.ltoreq.1% with (1/2W+Mo+V).ltoreq.3%, Co.ltoreq.5% with Ni+Co: 25.about.45%, Ca+Mg: 0.001.about.0.01%, one or both of B.ltoreq.0.01% and Zr: 0.001.about.0.1%, and the balance of Fe and incidental impurities.

    摘要翻译: 用于低价格和优异的冷加工性的排气门的耐热合金,并且可以通过冷或热加工形成阀门形状,其重量百分比为C:0.01,0.1%,Si = 2%,Mn <2%,Cr:12差异25%,Nb + Ta:0.2差异2.0%,Ti <3.5%,Al:0.5差异3.0%,Ni:25差异45%,Cu:0.1 差异5.0%,可选地,选自W 3%,Mo 3%和V 1%中的至少一种元素,其中(+ E,fra 1/2 + EE W + Mo + V) / = 3%,Ni + Co:Co = 25的Co <5%差异45%,Ca + Mg:0.001差异0.01%,B≤0.01%和Zr:0.001分别为0.1%或0.1% Fe和杂质的平衡。

    Heat resisting alloys, exhaust valves and knit meshes for catalyzer for
exhaust gas
    22.
    发明授权
    Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas 失效
    用于废气催化剂的耐热合金,排气阀和针织网

    公开(公告)号:US5779972A

    公开(公告)日:1998-07-14

    申请号:US832675

    申请日:1997-04-09

    CPC分类号: C22C30/00

    摘要: A heat resisting alloy of Fe--Cr--Ni type for exhaust valves, knit meshes for the catalyzer and the like which is low in price and excellent in high temperature properties, which consists essentially by weight percentage of C:0.01.about.0.10%, S:.ltoreq.2.0%, Mn .ltoreq.2.0%, Cr:14.about.18%, Nb+Ta:0.5.about.1.5%, Ti:2.0.about.3.0%, Al:0.8.about.1.5%, Ni:30.about.35%,B:0.001.about.0.01%, Ca+Mg:0.001.about.0.01%,Cu.ltoreq.0.5%, P.ltoreq.0.02%, S.ltoreq.0.01%, O.ltoreq.0.01%, N.ltoreq.0.01%, and the balance of Fe, additionally the total atomic percentage of Al, Ti, Nb and Ta:5.0.about.7.0%, and atomic percentage ratio of Ti/Al:1.0.about.1.5, and M-value calculated from the following equation .ltoreq.0.95; M=�0.717 Ni(at. %)+0.858 Fe(at. %)+1.142 Cr(at. %)+1.90 Al(at. %)+2.271 Ti(at. %)+2.117 Nb(at. %)+2.224 Ta(at. %)+1.001 Mn(at. %)+1.90 Si(at. %)!/100.

    摘要翻译: 用于排气门的Fe-Cr-Ni型耐热合金,催化剂用针织物等,价格低廉,耐高温性能优异,主要由重量百分比C:0.01差0.10%,S :2.0%,Mn <2.0%,Cr:14差异18%,Nb + Ta:0.5差异1.5%,Ti:2.0差异3.0%,Al:0.8差异1.5%,Ni:30差异35% ,B:0.001差异0.01%,Ca + Mg:0.001差异0.01%,Cu

    Titanium alloy having good heat resistance and method of producing parts therefrom
    23.
    发明授权
    Titanium alloy having good heat resistance and method of producing parts therefrom 失效
    具有良好耐热性的钛合金及其制造方法

    公开(公告)号:US06284071B1

    公开(公告)日:2001-09-04

    申请号:US09261388

    申请日:1999-03-03

    IPC分类号: C22F118

    CPC分类号: C22F1/183 C22C14/00

    摘要: A titanium alloy having improved heat resistance in addition to the inherent properties of lightness and corrosion resistance. The alloy consists essentially of, by weight %, Al: 5.0-7.0%, Sn: 3.0-5.0%, Zr: 2.5-6.0%, Mo: 2.0-4.0%, Si: 0.05-0.80%, C: 0.001-0.200%, O: 0.05-0.20%, optionally further one or two of Nb and Ta: 0.3-2.0%, and the balance of Ti and inevitable impurities. A method of producing parts from this alloy comprises subjecting the titanium alloy of the above described alloy composition to heat treatment at a temperature of &bgr;-region, combination of rapid cooling and slow cooling or combination of water quenching and annealing, hot processing in &agr;+&bgr; region, solution treatment and aging treatment.

    摘要翻译: 除耐酸性和耐腐蚀性的固有特性外,还具有耐热性提高的钛合金。 该合金主要由Al:5.0-7.0%,Sn:3.0-5.0%,Zr:2.5-6.0%,Mo:2.0-4.0%,Si:0.05-0.80%,C:0.001-0.200重量%组成 %,O:0.05-0.20%,任选进一步的Nb和Ta中的一种或两种:0.3-2.0%,余量为Ti和不可避免的杂质。 从该合金制造零件的方法包括将上述合金组合物的钛合金在β区域的温度下进行热处理,快速冷却和缓慢冷却的组合或水淬和退火的组合,α+ β区,溶液处理和时效处理。

    Parts of electronic devices made of ferritic free cutting stainless steel
    24.
    发明授权
    Parts of electronic devices made of ferritic free cutting stainless steel 有权
    电子元器件由铁素体自由切削不锈钢制成

    公开(公告)号:US6033625A

    公开(公告)日:2000-03-07

    申请号:US187041

    申请日:1998-11-06

    CPC分类号: C22C38/22 C22C38/18 C22C38/60

    摘要: Improved parts of electronic apparatus made of ferritic free cutting steel, which enjoy high precision in size given by good machinability and free from trouble caused by corrosion of metal due to generation of sulfides. The material steel has an alloy composition consisting essentially of, by weight %, C: up to 0.1%, Si: up to 2.0%, Mn: up to 2.0%, Cr: 19-25% and S: 0.20-0.35% and the balance of Fe and impurities. The parts made by machining can be used without being passivated. The steel may contain, further to the above alloy components, one or more from the following groups: 1) Mo: up to 4.0%; 2) one or more of Pb: up to 0.4%, Bi: up to 0.3%, Te: up to 0.3%, Se: up to 0.4% and Ca: up to 0.3%; 3) one or both of B and Mg: 0.001-0.02%; 4) one or both of Cu and Ni: 0.1-4.0%; 5) one or more of Nb, Ta, Ti, V, W and Al: 0.01-0.50%; and 6) O: 0.01-0.04%.

    摘要翻译: 由铁素体自由切削钢制成的电子设备的改进部件,由于良好的机械加工性而具有高精度的尺寸,并且没有由于硫化物的产生而导致的金属腐蚀的麻烦。 材料钢具有基本上由C:至多0.1%,Si:至多2.0%,Mn:至多2.0%,Cr:19-25%和S:0.20-0.35%的重量%,以及 余量为Fe和杂质。 通过加工制成的零件可以在不被钝化的情况下使用。 钢可以进一步包含以下组合中的一种或多种:1)Mo:至多4.0%; 2)Pb中的一种或多种:高达0.4%,Bi:高达0.3%,Te:高达0.3%,Se:高达0.4%,Ca:高达0.3%; 3)B和Mg中的一种或两种:0.001-0.02%; 4)Cu和Ni中的一种或两种:0.1-4.0%; 5)Nb,Ta,Ti,V,W和Al中的一种或多种:0.01-0.50%; 和6)O:0.01-0.04%。