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    • 1. 发明授权
    • High strength, high fracture toughness alloy
    • 高强度,高断裂韧性合金
    • US5268044A
    • 1993-12-07
    • US861977
    • 1992-06-30
    • Raymond M. HemphillDavid E. WertPaul M. NovotnyMichael L. Schmidt
    • Raymond M. HemphillDavid E. WertPaul M. NovotnyMichael L. Schmidt
    • C22C38/52
    • C22C38/52
    • A high strength, high fracture toughness steel alloy consisting essentially of, in weight percent, about______________________________________ C 0.2-0.33 Mn 0.20 max. Si 0.1 max. P 0.008 max. S 0.004 max. Cr 2-4 Ni 10.5-15 Mo 0.75-1.75 Co 8-17 Ce Effective amount-0.030 La Effective amount-0.01 Fe Balance ______________________________________ and an article made therefrom are disclosed. A small but effective amount of calcium can be present in this alloy in substitution for some or all of the cerium and lanthanum. The alloy is an age-hardenable martensitic steel alloy which provides a unique combination of tensile strength and fracture toughness. The alloy provides excellent mechanical properties when hardened by vacuum heat treatment with inert gas cooling and has a low ductile-to-brittle transition temperature.
    • PCT No.PCT / US91 / 00779 Sec。 371日期:1992年6月30日 102(e)日期1992年6月30日PCT 1991年2月5日PCT。一种高强度,高断裂韧性钢合金,其基本上由重量百分比组成,最大约为-C 0.2-0.33-Mn 0.20。 -Si 0.1最大 -P 0.008最大 -S 0.004最大 -C 2-4 - 10.5-15-Mo 0.75-1.75 -Co 8-17 -Ce有效量-0.030 -La有效量-01-Fe余量以及由其制成的制品。 在该合金中可以存在少量但有效量的钙以代替一些或全部铈和镧。 该合金是老化硬化的马氏体钢合金,提供了拉伸强度和断裂韧性的独特组合。 该合金通过用惰性气体冷却进行真空热处理而硬化并具有低的延性至脆性转变温度,提供优异的机械性能。
    • 4. 发明授权
    • Low cobalt-containing maraging steel with improved toughness
    • 低含钴马氏体时效钢,韧性提高
    • US4832909A
    • 1989-05-23
    • US218458
    • 1988-07-11
    • Michael L. SchmidtRaymond M. Hemphill
    • Michael L. SchmidtRaymond M. Hemphill
    • C22C38/10
    • C22C38/105
    • A low cobalt maraging steel has a yield strength of at least about 240 ksi (about 1655 MPa) in the aged condition in combination with good toughness as indicated by a longitudinal Charpy V-notch impact toughness of at least aobut 20 ft-lb (about 27 J), as well as good notch ductility. The alloy contains, in weight percent, about:______________________________________ w/o ______________________________________ C 0.02 Max. Ni 15-20 Mo 0.50-4.0 Co 0.5-5.0 Ti 0.90-1.35 Nb 0.03-0.35 Al 0.3 Max. B Up to 0.015 ______________________________________ The balance is essentially iron, optional additions, and the usual impurities found in commercial grades of high nickel, low carbon maraging steels. The alloy is further characterized in that the ratio %Co:%Mo is at least about 0.3 and %Ti+%Nb.gtoreq.1.0.
    • 低钴马氏体时效钢在老化条件下具有至少约240ksi(约1655MPa)的屈服强度,并且具有良好的韧性,如纵向夏比V型缺口冲击韧性至少为20ft-lb(约 27 J),以及良好的缺口延展性。 该合金以重量百分比计含有:-w / o -C 0.02最大。 -N 15-20 -Mo 0.50-4.0 -Co 0.5-5.0 -Ti 0.90-1.35 -Nb 0.03-0.35 -Al 0.3最大 -B高达0.015 - 余量基本上是铁,可选的添加剂,以及商业级高镍,低碳马氏体时效钢中常见的杂质。 该合金的特征还在于,Co:Mg%的比例为至少约0.3,Ti +%Nb> / = 1.0。
    • 6. 发明授权
    • Adjustable blade coater
    • 可调式刮刀涂布机
    • US5242498A
    • 1993-09-07
    • US924838
    • 1992-08-04
    • Herbert B. KohlerMichael L. Schmidt
    • Herbert B. KohlerMichael L. Schmidt
    • B05D1/28B05C1/08B05C11/00B05C11/04B05D7/00
    • B05C11/041
    • A web coater is provided with a doctor blade having an active edge or tip engaging the web at a predetermined position. The force applied by such active edge is adjusted by movement of jaws gripping the opposite edge of the blade. The jaws are moved along a curve empirically established to maintain the active edge of the blade in a predetermined fixed position during the adjustment. The angle of incidence of the active edge of the blade relative to the web is also maintained constant by pivoting a blade supporting frame about an axis coincident with the active edge. A controller is supplied with empirically established data developed by utilizing test blades to establish polynomial formulas having constants corresponding to each of the various blades intended to be used by the coater. The controller also automatically compensates for blade wear.
    • 纸幅涂布机设置有刮刀,刮刀具有在预定位置处与纸幅接合的主动边缘或尖端。 由这种有效边缘施加的力通过夹持叶片相对边缘的爪的运动来调节。 钳口沿着经验地建立的曲线移动,以在调节期间将刀片的主动边缘保持在预定的固定位置。 叶片相对于幅材的有效边缘的入射角也通过使叶片支撑框架围绕与活动边缘重合的轴线枢转而保持恒定。 向控制器提供通过利用测试刀片开发的经验确定的数据,以建立具有对应于打算由涂布机使用的各种刀片中的每一个的常数的多项式公式。 控制器还自动补偿刀片磨损。
    • 9. 发明授权
    • Adjustable blade coater
    • 可调式刮刀涂布机
    • US5378503A
    • 1995-01-03
    • US66523
    • 1993-05-24
    • Herbert B. KohlerMichael L. Schmidt
    • Herbert B. KohlerMichael L. Schmidt
    • B05D1/28B05C1/08B05C11/00B05C11/04B05D7/00B05D3/12
    • B05C11/041
    • A web coater is provided with a doctor blade having an active edge or tip engaging the web at a predetermined position. The force applied by such active edge is adjusted by movement of jaws gripping the opposite edge of the blade. The jaws are moved along a curve empirically established to maintain the active edge of the blade in a predetermined fixed position during the adjustment. The angle of incidence of the active edge of the blade relative to the web is also maintained constant by pivoting a blade supporting frame about an axis coincident with the active edge. A controller is supplied with empirically established data developed by utilizing test blades to establish polynomial formulas having constants corresponding to each of the various blades intended to be used by the coater. The controller also automatically compensates for blade wear.
    • 纸幅涂布机设置有刮刀,刮刀具有在预定位置处与纸幅接合的主动边缘或尖端。 由这种有效边缘施加的力通过夹持叶片相对边缘的爪的运动来调节。 钳口沿着经验地建立的曲线移动,以在调节期间将刀片的主动边缘保持在预定的固定位置。 叶片相对于幅材的有效边缘的入射角也通过使叶片支撑框架围绕与活动边缘重合的轴线枢转而保持恒定。 向控制器提供通过利用测试刀片开发的经验确定的数据,以建立具有对应于打算由涂布机使用的各种刀片中的每一个的常数的多项式公式。 控制器还自动补偿刀片磨损。