Method for producing a positive-locking load application for rod-shaped fiber composite structures, and the design thereof

A tension-compression rod comprising a fiber plastic hollow structure, a force application element with undercut(s), and an outer sleeve, wherein the outer sleeve comprises a metallic material, and wherein the fiber plastic hollow structure contacts the undercut(s) of the force application element in a positive-locking manner, wherein the outer sleeve contacts the fiber plastic hollow structure, and wherein a fiber orientation of the fiber plastic hollow structure is present in an axial direction, and wherein a contour of an outer surface of the outer sleeve follows a contour of the force application element.

A method for producing a positive-locking load application for a tension-compression rod, comprising:

• pushing a fiber plastic hollow structure at least partially over at least one force application element, wherein the fiber plastic hollow structure comprises a fiber orientation in an axial direction and wherein the force application element comprises at least one undercut, to create a positive-locking connection between the fiber plastic hollow structure and the force application element;
• locally heating the fiber plastic hollow structure to the point of plasticity of the fiber plastic hollow structure, wherein the heat is applied at least in the region of the undercut(s) of the force application element;
• and applying at least one outer sleeve to the fiber plastic hollow structure in the region of the force application element, wherein the outer sleeve comprises a fiber-reinforced plastic comprising continuous fibers oriented in a circumferential direction.

A method for producing a positive-locking load application for a tension-compression rod, comprising:

• pushing a fiber plastic hollow structure at least partially over at least one force application element, wherein the fiber plastic hollow structure comprises a fiber orientation in an axial direction and wherein the force application element comprises at least one undercut, to create a positive-locking connection between the fiber plastic hollow structure and the force application element;
• locally heating the fiber plastic hollow structure to the point of plasticity of the fiber plastic hollow structure, wherein the heat is applied at least in the region of the undercut(s) of the force application element;
• and applying at least one outer sleeve to the fiber plastic hollow structure in the region of the force application element, wherein the outer sleeve is metallic and a contour of an outer surface of the outer sleeve follows a contour of the force application element, and wherein the application of the metallic outer sleeve is accomplished by forming, wherein the fiber plastic hollow structure contacts the undercut of the force application element in a positive-locking manner.