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    CONCRETE ELEMENT AND METHOD FOR THE PRODUCTION OF SAME
    3.
    发明公开
    CONCRETE ELEMENT AND METHOD FOR THE PRODUCTION OF SAME 审中-公开

    公开(公告)号：US20240326286A1

    公开(公告)日：2024-10-03

    申请号：US18575565

    申请日：2022-06-30

    申请人： Metten Technologies GmbH & Co. KG

    发明人： Guido Volmer ,  Michael Metten

    IPC分类号： B28B1/00 ,  B28B11/08 ,  B28B13/02 ,  C04B28/00 ,  C04B28/02

    CPC分类号： B28B1/008 ,  B28B11/0818 ,  B28B13/022 ,  C04B28/008 ,  C04B28/02

    摘要： The invention relates to a concrete element comprising a core concrete layer and a face concrete layer, wherein the concrete element is obtained by compressing and curing a core concrete layer mixture in contact with a face concrete layer mixture, wherein the core concrete layer mixture contains a latent hydraulic core binder and/or a pozzolanic core binder, water, a granular core material and an alkaline core curing agent, wherein the face concrete layer mixture contains a latent hydraulic face binder and/or a pozzolanic face binder, water, a granular face material and an alkaline face curing agent, and wherein the concrete element has a compressive strength in accordance with DIN EN 12390-3, in particular DIN EN 12390-3:2019-10, measured after 28 days, of less than 120 N/mm2. The invention also relates to a method for producing the concrete element.

    Architected materials with controlled permeability and methods for making and using the same
    6.
    发明授权
    Architected materials with controlled permeability and methods for making and using the same 有权

    公开(公告)号：US12103074B1

    公开(公告)日：2024-10-01

    申请号：US17702789

    申请日：2022-03-24

    申请人： HRL Laboratories, LLC

    发明人： John H. Martin ,  Brennan Yahata ,  Darby Laplant ,  Christopher Roper

    IPC分类号： B33Y80/00 ,  B22F10/20 ,  B28B1/00 ,  B29C64/141 ,  B33Y10/00

    CPC分类号： B22F10/20 ,  B28B1/001 ,  B29C64/141 ,  B33Y10/00 ,  B33Y80/00

    摘要： Some variations provide an additively manufactured article comprising a first region and a second region, wherein the first region is a solid region or a porous region, wherein the second region has a pore size larger than the first-region pore size, and wherein the first-region average permeability is lower than the second-region average permeability. Some variations provide a co-sintering method of making an architected material with regions having different permeabilities, in which different additive-manufacturing process parameters are applied to distinct regions of the structure. Other variations provide a wall-pinning method of making an architected material with regions having different permeabilities, in which additive-manufacturing process parameters are selected to sinter pinned feedstock powder between solid walls. Engineered structures with controlled permeability, integrated manifolds, and arbitrary geometries are disclosed, without the requirement of complex manufacturing. Many uses are described for the disclosed additively manufactured articles.