公开(公告)号：US20160376192A1

公开(公告)日：2016-12-29

申请号：US15263157

申请日：2016-09-12

Applicant: California Institute of Technology

Inventor： Stephanie Mitchell ,  Anna Pandolfi ,  Michael Ortiz

IPC: C04B14/34 ,  C04B24/28

CPC classification number: C04B14/34 ,  C04B14/322 ,  C04B24/287 ,  C04B28/02 ,  C04B2111/2046 ,  E04B1/985 ,  E04H9/021 ,  G10K11/165 ,  C04B20/1037 ,  C04B20/1051 ,  C04B20/1033

Abstract: Materials and methods for implementing engineered aggregates in metamaterials are provided. The engineered aggregates may be tuned to oscillate resonantly under the influence of an external force improving the dynamic performance of the metamaterial by impeding dynamic excitation. The engineered aggregate generally comprise a multilayer resonant structure having at least a relatively heavy inner core surrounded by at least a compliant coating layer. The geometry and stiffness of the relative layers can be tuned to engineer a desired resonant frequency response within the aggregate for a chosen frequency range. The engineered aggregates are disposed in a matrix material to form a metamaterial. The engineered aggregates may be disposed within a mortar matrix to form a concrete metamaterial suitable for use, for example, in structural applications, including bunkers, shelters, etc.

Abstract translation: 提供了在超材料中实现工程聚集体的材料和方法。 可以调整工程聚集体在外力的作用下共振地振荡，通过阻碍动态激发改善超材料的动态性能。 工程化骨料通常包括多层共振结构，其至少具有由至少柔顺涂层包围的至少相当重的内核。 可以调整相对层的几何形状和刚度，以在所选择的频率范围内在聚合体内设计所需的谐振频率响应。 将工程聚集体设置在基质材料中以形成超材料。 工程聚集体可以设置在砂浆基质内以形成适合于例如在结构应用中使用的混凝土超材料，包括掩体，掩体等。

公开(公告)号：US09464001B2

公开(公告)日：2016-10-11

申请号：US14308347

申请日：2014-06-18

Applicant: California Institute of Technology

Inventor： Stephanie Mitchell ,  Anna Pandolfi ,  Michael Ortiz

IPC: C04B14/34 ,  C04B28/02 ,  C04B14/32 ,  G10K11/165 ,  C04B111/20 ,  E04B1/98 ,  E04H9/02

CPC classification number: C04B14/34 ,  C04B14/322 ,  C04B24/287 ,  C04B28/02 ,  C04B2111/2046 ,  E04B1/985 ,  E04H9/021 ,  G10K11/165 ,  C04B20/1037 ,  C04B20/1051 ,  C04B20/1033

Abstract: Materials and methods for implementing engineered aggregates in metamaterials are provided. The engineered aggregates may be tuned to oscillate resonantly under the influence of an external force improving the dynamic performance of the metamaterial by impeding dynamic excitation. The engineered aggregate generally comprise a multilayer resonant structure having at least a relatively heavy inner core surrounded by at least a compliant coating layer. The geometry and stiffness of the relative layers can be tuned to engineer a desired resonant frequency response within the aggregate for a chosen frequency range. The engineered aggregates are disposed in a matrix material to form a metamaterial. The engineered aggregates may be disposed within a mortar matrix to form a concrete metamaterial suitable for use, for example, in structural applications, including bunkers, shelters, etc.

Abstract translation: 提供了在超材料中实现工程聚集体的材料和方法。 可以调整工程聚集体在外力的作用下共振地振荡，通过阻碍动态激发改善超材料的动态性能。 工程化骨料通常包括多层共振结构，其至少具有由至少柔顺涂层包围的至少相当重的内核。 可以调整相对层的几何形状和刚度，以在所选择的频率范围内在聚合体内设计所需的谐振频率响应。 将工程聚集体设置在基质材料中以形成超材料。 工程聚集体可以设置在砂浆基质内以形成适合于例如在结构应用中使用的混凝土超材料，包括掩体，掩体等。

公开(公告)号：US20140371353A1

公开(公告)日：2014-12-18

申请号：US14308347

申请日：2014-06-18

Applicant: California Institute of Technology

Inventor： Stephanie Mitchell ,  Anna Pandolfi ,  Michael Ortiz

IPC: C04B14/34 ,  C04B24/28

CPC classification number: C04B14/34 ,  C04B14/322 ,  C04B24/287 ,  C04B28/02 ,  C04B2111/2046 ,  E04B1/985 ,  E04H9/021 ,  G10K11/165 ,  C04B20/1037 ,  C04B20/1051 ,  C04B20/1033

Abstract: Materials and Methods for implementing engineered aggregates in metamaterials are provided. The engineered aggregates may be tuned to oscillate resonantly under the influence of an external force improving the dynamic performance of the metamaterial by impeding dynamic excitation. The engineered aggregate generally comprise a multilayer resonant structure having at least a relatively heavy inner core surrounded by at least a compliant coating layer. The geometry and stiffness of the relative layers can be tuned to engineer a desired resonant frequency response within the aggregate for a chosen frequency range. The engineered aggregates are disposed in a matrix material to form a metamaterial. The engineered aggregates may be disposed within a mortar matrix to form a concrete metamaterial suitable for use, for example, in structural applications, including bunkers, shelters, etc.

Abstract translation: 提供了在超材料中实施工程聚集体的材料和方法。 可以调整工程聚集体在外力的作用下共振地振荡，通过阻碍动态激发改善超材料的动态性能。 工程化骨料通常包括多层共振结构，其至少具有由至少柔顺涂层包围的至少相当重的内核。 可以调整相对层的几何形状和刚度，以在所选择的频率范围内在聚合体内设计所需的谐振频率响应。 将工程聚集体设置在基质材料中以形成超材料。 工程聚集体可以设置在砂浆基质内以形成适合于例如在结构应用中使用的混凝土超材料，包括沙坑，掩体等。