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1. 发明授权

US06848494B2 Wetting agent for infiltrated aluminum preforms 有权
标题翻译：渗透铝预制件的润湿剂
公开(公告)号：US06848494B2
公开(公告)日：2005-02-01
申请号：US10260102
申请日：2002-09-27
申请人： Kenneth J. Newell , Charles H. Zenuk
发明人： Kenneth J. Newell , Charles H. Zenuk
IPC分类号： B22D19/14 , B22F1/00 , B22F3/26 , B22D19/02
CPC分类号： B22D19/14 , B22F1/0003 , B22F3/26 , B22F2999/00 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C22C2001/1063 , B22F2201/02
摘要： A method for the manufacture of a three-dimensional object includes the steps of forming a mixture that contains a binder, a wetting agent, and a least one of aluminum or a first aluminum-base alloy into a green composite, removing the binder from said green composite forming a porous preform structure and infiltrating the porous preform structure with a molten second aluminum base alloy to form the three-dimensional object with near theoretical density. The wetting agent assists in wetting during infiltration. The green composite may be formed by an additive process such as computer aided rapid prototyping, for example selective laser sintering. The method facilitates the rapid manufacture of aluminum components by an inexpensive technique that provides high dimensional stability and high density.
摘要翻译：制造三维物体的方法包括以下步骤：将含有粘合剂，润湿剂和至少一种铝或第一铝基合金的混合物形成为绿色复合材料，从所述粘合剂中除去粘合剂绿色复合材料形成多孔预型体结构，并用熔融的第二铝基合金渗透多孔预型体结构以形成具有接近理论密度的三维物体。润湿剂在渗透过程中有助于润湿。绿色复合材料可以通过诸如计算机辅助快速成型例如选择性激光烧结等添加工艺形成。该方法通过提供高尺寸稳定性和高密度的廉价技术有助于铝组分的快速制造。

2. 发明授权

US06630009B2 Metallic filled pastes 失效
标题翻译：金属填充膏
公开(公告)号：US06630009B2
公开(公告)日：2003-10-07
申请号：US10116092
申请日：2002-04-03
申请人： Khalil M. Moussa , Kenneth J. Newell , Catherine Hinczewski , Charles H. Zenuk
发明人： Khalil M. Moussa , Kenneth J. Newell , Catherine Hinczewski , Charles H. Zenuk
IPC分类号： B22F700
CPC分类号： G03F7/0047 , B22F1/0059 , B22F3/008 , B22F2001/0066 , B22F2999/00 , B29C64/165 , B33Y10/00 , B33Y70/00 , B33Y80/00 , G03F7/0037 , H05K1/092 , Y10S430/145 , Y10S430/146 , B22F2202/11
摘要： A paste composition, including a binding agent charged with metallic powder, to be used in a solid freeform fabrication procedure, comprising: a) a solidifiable binding agent comprised of at least one polymerizable resin, with a viscosity of less than 4000 mPa.s, measured at 25° C.; b) at least one initiator, in a concentration greater than about 0.1% by mass with respect to the mass of the resin; and c) a mixture of at least two metallic powders, said mixture having a volumetric concentration greater than 40% with respect to the composition, wherein said mixture of metal powders is either i) a bimodal or trimodal mixture in nature, or ii) is a majority of stainless steel with an amount of NiB or NiP and combinations thereof effective to lower the sintering temperature.
摘要翻译：一种糊状组合物，包括装有金属粉末的粘合剂，用于固体自由形成的制造方法中，包括：a）由至少一种可聚合树脂组成的可固化粘合剂，粘度小于4000mPa.s，在25℃下测量; b）相对于树脂的质量，浓度大于约0.1质量％的至少一种引发剂; 和c）至少两种金属粉末的混合物，所述混合物相对于所述组合物具有大于40％的体积浓度，其中所述金属粉末混合物是i）性质上的双峰或三峰混合物，或ii）是大多数具有一定量的NiB或NiP的不锈钢及其组合有效降低烧结温度。

3. 发明授权

US4559089A Method for making a light weight composite of pure aluminum, heat treatable aluminum, and stainless steel 失效
标题翻译：制造纯铝，可热处理铝和不锈钢的轻质复合材料的方法
公开(公告)号：US4559089A
公开(公告)日：1985-12-17
申请号：US581488
申请日：1984-02-17
申请人： John A. Dromsky , Charles H. Zenuk
发明人： John A. Dromsky , Charles H. Zenuk
IPC分类号： B23K35/00 , B32B15/01 , C21D1/00
CPC分类号： B32B15/012 , B23K35/002 , Y10T428/12757 , Y10T428/12764
摘要： A composite, light weight vehicular bumper material is disclosed which has a surface layer of stainless steel, a principal layer of a heat treatable aluminum and an intermediate layer of essentially commercially pure aluminum. The stainless steel provides the desired surface finish and durability; the surface can be flash chromed if desired to provide a suitable bright, specular appearance. The layer of heat treatable aluminum is the principal structural component and provides the high ratio of strength to weight needed for the application. The intermediate layer of pure aluminum serves as a transition zone between the principal and surface layers aiding in the development of the maximum bond strength between those two components. In its application the composite is heat treated to obtain desired mechanical strength characteristics. In a second embodiment another layer of essentially commercially pure aluminum is provided on the reverse side from the surface layer of stainless steel, enhancing the corrosion resistance of the principal aluminum layer. All the layers are metallurgically bonded to one another.
摘要翻译：公开了一种复合轻质车辆保险杠材料，其具有不锈钢表面层，可热处理铝的主要层和基本上商业上纯的铝的中间层。不锈钢提供所需的表面光洁度和耐久性; 如果需要，表面可以闪光镀铬，以提供合适的明亮的镜面外观。可热处理的铝层是主要的结构部件，提供了应用所需的强度与重量之比。纯铝的中间层用作主层和表层之间的过渡区，有助于发展这两个组分之间的最大粘结强度。在其应用中，将复合材料进行热处理以获得期望的机械强度特性。在第二实施例中，与不锈钢表面层相反的一侧提供了基本上商业上纯的铝的另一层，从而提高了主要铝层的耐腐蚀性。所有的层彼此冶金结合。

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