摘要:
A hollow structure body capable of balancing weight reduction and excellent strength, the hollow structure constituted by a fiber-reinforced resin material, is provided. The hollow structure body has a hollow structure, in which a first shaped product constituted by a first fiber-reinforced resin material containing first reinforcing fibers and a first matrix resin and a second shaped product constituted by a second fiber-reinforced resin material containing second reinforcing fibers and a second matrix resin are combined, wherein in an arbitrary cross section in a direction perpendicular to an axial direction of the hollow structure, a ratio Sc/ St between compressive strength Sc of a structure in the first shaped product and tensile strength St of a structure in the second shaped product satisfies formula (1): Ãc / Ãt * Hc / Ht
摘要:
An endless flat belt includes an inner rubber layer 1, a cord core 11 buried in the inner rubber layer 1 and spirally wound at a predetermined pitch in a width direction of the belt, and a reinforcement fabric 2 stuck to the inner rubber layer 1. The cord core comprises polyamide fiber. Opposite ends of the reinforcement fabric 2 are connected with each other into an endless form by adhesion or sewing. A surface rubber layer 3 is stuck to a surface of the reinforcement fabric 2 which is opposite a surface thereof stuck to the inner rubber layer 1.
摘要:
Method for connecting two intermediate products (11a, 11b) for forming a fiber composite product, wherein the two intermediate products (11a, 11b) respectively consist of composite fiber material with a layer of matrix material and reinforcing fibers extending therein by means of connecting areas that adjoin one another in an overlapping region of the interconnected intermediate products (11a, 11b), with the method featuring the following steps: ■ applying an adhesive layer (1) that features an adhesive film (2) with a plurality of connecting particles (9) onto the connecting areas (18a, 18b) of the intermediate products (11 a, 11 b) in such a way that at least a portion of the plurality of connecting particles (9) sectionally comes in contact with reinforcing fibers of the first connecting area or the second connecting area, ■ arranging the second intermediate product (11b) on the first intermediate product (11a) or vice versa in such a way that the connecting areas (18a, 18b) at least partially overlap one another, ■ connecting the two intermediate products,
wherein the invention also pertains to a structural component (19) that consists of at least a first (11a) and a second (11b) fiber-reinforced intermediate product produced in accordance with such a method, such a fiber composite product, a method for producing an adhesive layer (1) for connecting the intermediate products anda production device for carrying out such a method.
摘要:
Die Erfindung betrifft ein Verfahren zur kontinuierlichen stofflichen Verwertung von Altfraktionen aus Fasern und Geweben auf Basis von thermoplastischen Kunststoffen, bei dem einer Extrusionseinrichtung (1) in Extrusionsrichtung (E) betrachtet zunächst die Altfraktion aus Fasern und Geweben und nachfolgend eine aus thermoplastischen Polymeren und Additiven gebildete weitere Fraktion zugeführt wird, die zugeführte Altfraktion und die weitere Fraktion in der Extrusionseinrichtung (1) miteinander vermischt, entgast und gemeinsam aus der Extrusionseinrichtung (1) unter Ausbildung eines Extrudats (6) extrudiert werden, in welchem die Altfraktion unter zumindest teilweiser Erhaltung der Faserstruktur in das thermoplastische Polymer der weiteren Fraktion eingebettet ist, wobei das Vermischen, Entgasen und Extrudieren der Altfraktion und der weiteren Fraktion bei Temperaturen durchgeführt werden, die unterhalb der Erweichungstemperatur mindestens eines der thermoplastischen Kunststoffe der Altfraktion liegt.
摘要:
A hollow structure body capable of balancing weight reduction and excellent strength, the hollow structure constituted by a fiber-reinforced resin material, is provided. The hollow structure body has a hollow structure, in which a first shaped product constituted by a first fiber-reinforced resin material containing first reinforcing fibers and a first matrix resin and a second shaped product constituted by a second fiber-reinforced resin material containing second reinforcing fibers and a second matrix resin are combined, wherein in an arbitrary cross section in a direction perpendicular to an axial direction of the hollow structure, a ratio Sc/ St between compressive strength Sc of a structure in the first shaped product and tensile strength St of a structure in the second shaped product satisfies formula (1): Ãc / Ãt * Hc / Ht
摘要翻译:本发明提供一种能够实现轻量化和高强度化的中空结构体,其由纤维强化树脂材料构成。 中空结构体具有中空结构,其中由包含第一增强纤维和第一基体树脂的第一纤维增强树脂材料和包含第二增强纤维的第二纤维增强树脂材料构成的第二成形体构成的第一成形制品 纤维和第二基体树脂结合,其中在与中空结构的轴向垂直的方向上的任意截面中,第一成形制品中的结构的抗压强度Sc与第一成形制品中的结构的抗拉强度St之间的比Sc / St 第二成形制品中的结构满足公式(1):Ãc/ *tHc / Ht
摘要:
A joining method for joining together a first member in which fiber material is mixed into a first resin, and a second member that includes at least a second resin, includes abutting the first member and the second member together, and softening or melting the first resin of the first member and the second resin of the second member that are adjacent to abutting surfaces of the first member and the second member; and stirring a joint forming portion formed by the softened or melted first resin of the first member and the softened or melted second resin of the second member, and the fiber material included in the softened or melted first resin of the first member, in a direction inclined with respect to the abutting surfaces, and hardening the joint forming portion.
摘要:
A hollow structure body capable of balancing weight reduction and excellent strength, the hollow structure constituted by a fiber-reinforced resin material, is provided. The hollow structure body has a hollow structure, in which a first shaped product constituted by a first fiber-reinforced resin material containing first reinforcing fibers and a first matrix resin and a second shaped product constituted by a second fiber-reinforced resin material containing second reinforcing fibers and a second matrix resin are combined, wherein in an arbitrary cross section in a direction perpendicular to an axial direction of the hollow structure, a ratio Sc/ St between compressive strength Sc of a structure in the first shaped product and tensile strength St of a structure in the second shaped product satisfies formula (1): σc / σt * Hc / Ht Sc / St σt / σc * Hc / Ht
摘要翻译:提供了一种能够平衡重量减轻和优异强度的中空结构体,由纤维增强树脂材料构成的中空结构。 中空结构体具有中空结构,其中第一成形产品由包含第一增强纤维的第一纤维增强树脂材料和第一基质树脂构成,第二成型产品由第二纤维增强树脂材料构成,第二纤维增强树脂材料含有第二增强 纤维和第二基质树脂组合,其中在与中空结构的轴向垂直的方向上的任意横截面中,第一成形产品中的结构的抗压强度Sc与第一成型产品的结构的抗拉强度St之间的比率Sc / St 第二成形制品中的结构满足公式(1):Ãc /Ã* Hc / Ht
摘要:
A method of forming a hose assembly is disclosed. The hose assembly includes a multilayer tube having an inner layer comprising a first polymeric material and an outer layer comprising a second polymeric material and defining an outer peripheral surface. The hose assembly also includes a reinforcing layer comprising reinforcing fibers and disposed about and embedded in the outer peripheral surface of the multilayer tube. The method comprises the steps of extruding the multilayer tube, and disposing reinforcing fibers about the outer peripheral surface of the multilayer tube to form a reinforced multilayer tube. The method also includes the steps of heating the reinforced multilayer tube to a temperature which is greater than a peak melting temperature of the second polymeric material, and cooling the reinforced multilayer tube to solidify the melted outer layer and embed the reinforcing layer in the outer layer to form the hose assembly.
摘要:
The invention relates to a cross-member arrangement and a method for production of a cross-member arrangement for a motor vehicle. The cross-member arrangement consists of a cross-member (1) and at least one fastening structure (10, 11, 12, 13) for a component to be mounted on the cross-member (1), said fastening structure being undetachably connected to the cross-member (1). The production method comprises the steps: providing the cross-member (1) from a thermoplastic FRP tube (1), heating the FRP tube (1) on at least one joining point for the fastening structure and inserting the FRP tube (1) together with the fastening structure (10, 11, 12, 13) disposed at the joining point into an injection moulding tool, applying a supporting pressure (P i ) in the interior of the FRP tube (1), compressing the FRP tube (1) with the fastening structure (10, 11, 12, 13), injection moulding a plastic structure around the joining point.