利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

6 条记录 (耗时 0.029 秒)

    Powder extrusion of shaped sections
    4.
    发明申请
    Powder extrusion of shaped sections 审中-公开
    成形截面的粉末挤压

    公开(公告)号：US20100178194A1

    公开(公告)日：2010-07-15

    申请号：US12319723

    申请日：2009-01-12

    申请人： Mark W. Broadley ,  John Eckert ,  Ray Rilling ,  Roger J. White ,  Jeffrey M. Farina ,  James Alan Sago

    发明人： Mark W. Broadley ,  John Eckert ,  Ray Rilling ,  Roger J. White ,  Jeffrey M. Farina ,  James Alan Sago

    IPC分类号： B22F3/11 ,  B22F3/24 ,  C22C38/18 ,  B22F1/00

    CPC分类号： B22F5/10 ,  B22F3/20 ,  B22F2998/10 ,  B22F1/0059 ,  B22F3/1021 ,  B22F3/24

    摘要： The present invention provides a continuous powder extrusion method for making an article having a profile including an outer shape and optionally including one or more inner hollows. One or more bulk material powders and one or more binders are provided, and the bulk material powders and the binders are mixed to form a mixture. A die is provided, the die optionally including a mandrel having one or more shapes. The mixture is extruded through the die and the optional mandrel to produce a green form. The green form is debound to produce a brown form and the brown form is sintered to produce a densified form. The densified form is optionally processed using thermal, mechanical, and/or thermomechanical processing to produce a wrought form. The densified or wrought form is optionally cut to a length and/or finished using traditional metal finishing processes.

    摘要翻译： 本发明提供一种用于制造具有包括外部形状并且可选地包括一个或多个内部凹部的轮廓的制品的连续粉末挤出方法。 提供一种或多种散装材料粉末和一种或多种粘合剂，并且将散装材料粉末和粘合剂混合以形成混合物。 提供模具，模具可选地包括具有一个或多个形状的心轴。 将混合物通过模头和可选的心轴挤出以产生绿色形式。 绿色形式被剥离以产生棕色形式，并且棕色形式被烧结以产生致密化形式。 任选地使用热，机械和/或热机械加工处理致密化形式以产生锻造形式。 使用传统的金属精加工方法，可选地将致密或锻造形式切割成长度和/或成品。

    Method for measuring and calculating tensile elongation of ductile metals
    6.
    发明授权
    Method for measuring and calculating tensile elongation of ductile metals 失效
    韧性金属拉伸伸长率的测量和计算方法

    公开(公告)号：US07360442B2

    公开(公告)日：2008-04-22

    申请号：US11321826

    申请日：2005-12-29

    申请人： Mark W. Broadley ,  John Eckert

    发明人： Mark W. Broadley ,  John Eckert

    IPC分类号： G01N3/08

    CPC分类号： G01N3/08 ,  G01N3/068 ,  G01N2203/0017

    摘要： The present invention is a method for measuring and calculating tensile elongation of ductile metals on small diameter specimens. The method includes marking a tensile specimen with a pattern of gage markings at predetermined intervals. The tensile specimen is pulled to failure and then fitted together at the fracture. Distances between corresponding markings straddling the fracture are measured extending progressively outward from the fracture. From the measurements, elongation as a function of gage length is determined. End point elongation values (i.e., elongation at zero or near zero and infinite or very long gage lengths) are also determined. Determined elongations are scaled to reflect the values that would have been generated on a standard 0.5 inch diameter specimen. Based on the scaled elongation as a function of gage length and the end point elongation values, a value of elongation can be determined that represents a material property for FEA modeling the plastic strain behavior of a device.

    摘要翻译： 本发明是用于测量和计算小直径试样上的延性金属的拉伸伸长率的方法。 该方法包括以规定的间隔以规格标记图案标记拉伸试样。 将拉伸试样拉伸破坏，然后在断裂处装配在一起。 跨越骨折的相应标记之间的距离被测量从骨折逐渐向外延伸。 根据测量，确定作为量具长度的函数的伸长率。 还确定了终点伸长值（即在零或接近零的伸长率以及无限长或非常长的量程长度）。 确定的伸长率被缩放以反映在标准0.5英寸直径的样品上产生的值。 基于作为量具长度和端点伸长值的函数的缩放伸长率，可以确定表示用于对设备的塑性应变行为建模的FEA的材料性质的伸长率值。