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    • 60. 发明申请
    • METHODS AND APPARATUS FOR DIGITAL COMPOSITES
    • 数字复合材料的方法和装置
    • WO2012078246A1
    • 2012-06-14
    • PCT/US2011/056961
    • 2011-10-19
    • MASSACHUSETTS INSTITUTE OF TECHNOLOGYGERSHENFELD, NeilCHEUNG, Kenneth
    • GERSHENFELD, NeilCHEUNG, Kenneth
    • G06F19/00
    • B23P11/00B32B5/12B32B5/26B64C1/06B64C1/08B64C3/48Y10T29/49826Y10T29/49828Y10T428/24Y10T428/24008
    • In exemplary implementations of this invention, a digital material comprising many discrete units is used to fabricate a sparse structure. The units are reversibly joined by elastic connections. Each unit comprises fiber-reinforced composite material. Each unit is small compared to the sparse structure as a whole. Likewise, in a sparse structure made from this digital material, the number of types of units is small compared to the total number of units. The digital material is anisotropic. This anisotropy may be due to different fiber orientations within each unit. Furthermore, different units in a single sparse structure may be oriented in different directions and in different, non-parallel planes. In some cases, the digital material is reinforced with carbon fibers, and connections between units are stronger than the units themselves. The small discrete units may be assembled into a strong, lightweight sparse structure, such as an airframe.
    • 在本发明的示例性实施方案中,使用包含许多分立单元的数字材料来制造稀疏结构。 这些单元通过弹性连接可逆连接。 每个单元包括纤维增强复合材料。 与整体稀疏结构相比,每个单位都很小。 同样,在由这种数字材料制成的稀疏结构中,与总单元数相比,单元类型的数量很小。 数字材料是各向异性的。 这种各向异性可能是由于每个单元内不同的纤维取向。 此外,单个稀疏结构中的不同单元可以在不同的方向和不同的非平行平面中取向。 在某些情况下,数字材料用碳纤维增强,单元之间的连接比单元本身更强。 小型分立单元可以组装成强大的,轻质的稀疏结构,例如机身。