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    • 3. 发明申请
    • TAILORED MATERIAL PROPERTIES USING INFRARED RADIATION AND INFRARED ABSORBENT COATINGS
    • 使用红外辐射和红外吸收涂层的定制材料性能
    • WO2016144626A1
    • 2016-09-15
    • PCT/US2016/020335
    • 2016-03-02
    • MAGNA INTERNATIONAL INC.SKSZEK, Timothy, WalterNIU, XiaopingOETJENS, Thomas, James
    • SKSZEK, Timothy, WalterNIU, XiaopingOETJENS, Thomas, James
    • B05C5/00
    • B22F3/105B05C5/00B05D5/00B05D5/08B05D7/14B05D2701/00B22F2003/1052F02F1/00F16J10/00
    • A method of manufacturing a structural component having tailored material properties by applying an IR-absorbent coating to a substrate formed of a ferrous-based, aluminum-based, magnesium-based, or fiber reinforced composite material is provided. The coating is preferably formed of iron oxide (Fe 3 0 4 ) decorated multiwall carbon nanotubes. Alternatively, the coating is wax-based or polymer-based and includes TriSilanollsooctylt POSS and additives. Different coating compositions may be applied to different zones of the substrate so that the emissivity coefficient varies along the substrate. The coated substrate is heated and formed between a pair of dies to achieve a complex shape or features. The IR-absorbent coating increases the infrared absorption rate during the heating step, which improves formability of the substrate. The iron oxide (Fe 3 0 4 ) decorated multiwall carbon nanotubes can also be applied to an engine component to increase the thermal efficiency of the engine by reducing friction and enabling the use of lightweight materials.
    • 提供了一种制造具有定制材料特性的结构部件的方法,其通过将IR吸收剂涂层施加到由铁基,铝基,镁基或纤维增强复合材料形成的基底上。 涂层优选由氧化铁(Fe304)装饰的多壁碳纳米管形成。 或者,涂层是蜡基或基于聚合物的,并且包括TriSilanollsooctylt POSS和添加剂。 可以将不同的涂层组合物施加到基板的不同区域,使得发射率系数沿衬底变化。 涂覆的基材被加热并形成在一对模具之间以实现复杂的形状或特征。 IR吸收剂涂层增加了加热步骤期间的红外吸收率,这提高了基材的成形性。 氧化铁(Fe304)装饰的多壁碳纳米管也可以应用于发动机部件,以通过减少摩擦并且能够使用轻质材料来提高发动机的热效率。