Post processing three-dimensional objects formed by solid freeform fabrication
    1.
    发明申请
    Post processing three-dimensional objects formed by solid freeform fabrication 有权
    后处理通过固体自由形成制造形成的三维物体

    公开(公告)号:US20030067098A1

    公开(公告)日:2003-04-10

    申请号:US10084726

    申请日:2002-02-25

    CPC classification number: B29C64/40 B29C64/20 B33Y40/00

    Abstract: A method for removing supports from a three-dimensional object formed by solid freeform fabrication. The three-dimensional object and support structure both contain a phase change component in order to achieve the desired phase change characteristics needed for dispensing the material. The method prevents the phase change material within the three-dimensional object from migrating within the object during post processing to remove the support structure.

    Abstract translation: 一种用于通过固体自由形成制造形成的三维物体去除载体的方法。 三维物体和支撑结构都包含相变成分,以实现分配材料所需的期望的相变特性。 该方法防止在后处理期间三维物体内的相变材料在物体内迁移以移除支撑结构。

    METAL POWDER COMPOSITION FOR LASER SINTERING
    4.
    发明申请
    METAL POWDER COMPOSITION FOR LASER SINTERING 有权
    金属粉末组合物用于激光烧结

    公开(公告)号:US20040184944A1

    公开(公告)日:2004-09-23

    申请号:US10394312

    申请日:2003-03-19

    Abstract: A powder blend for use in laser sintering and a method for forming tough, strong, wear-resistant, corrosion-resistant infiltrated metal products are provided. The powder blend comprises a steel alloy, a polymeric binder and a high melting temperature fine particulate which are blended together, then applied layer by layer to a working surface in a laser sintering system, exposed a layer at a time to fuse together the powder until a green part of high strength is formed, and then the green part is infiltrated with a metal infiltrant in a non-reducing gas atmosphere at an effective temperature for an effective period of time. The preferred steel is a mild steel alloy.

    Abstract translation: 提供用于激光烧结的粉末混合物和形成坚韧,坚固,耐磨,耐腐蚀的渗透金属产品的方法。 粉末混合物包括钢合金,聚合物粘合剂和高熔点微细颗粒,它们共混在一起,然后逐层地施加到激光烧结体系中的工作表面,一次暴露一层以将粉末熔合在一起直到 形成高强度的绿色部分,然后将绿色部分在非还原性气体气氛中在有效温度下浸入有效期。 优选的钢是低碳钢。

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