STRUCTURE OF COMPOSITE MATERIAL
To provide a structure of a composite material capable of preventing occurrence of delamination even when a gradient of a step part is large and achieving light weight, in a structure of a composite material having a pad-type step part.SOLUTION: A structure 1 of a composite material includes: a body...
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Zusammenfassung: | To provide a structure of a composite material capable of preventing occurrence of delamination even when a gradient of a step part is large and achieving light weight, in a structure of a composite material having a pad-type step part.SOLUTION: A structure 1 of a composite material includes: a body part 2 including: a first structure part that has a step part 23 formed by laminating with end surfaces of a plurality of plies 25 mutually displaced, and in which a first ply 26 is laminated on the uppermost layer; a second structure part in which a second ply that is a second ply 27 different from the fist ply and is located distanced from the first ply in the lamination direction is laminated on the uppermost layer; and a step part provided between the first, the second structure parts, and a first cover ply 3 that includes; a cover part 33 covering the step part; one end part extending along a direction orthogonal to the lamination direction from one end part 31 of a cover part; and the other end part extending along the direction orthogonal to the lamination direction from the other end part 32 of the cover part, and is formed so as to cover only a part of a surface of the first ply, or only a part of a surface of the second ply.SELECTED DRAWING: Figure 1
【課題】パット型の段差部を有する複合材の構造体において、その段差部の勾配が大きい場合でも層間剥離の発生を防止でき、且つ、軽量化を図ることができる複合材の構造体を提供する。【解決手段】複合材の構造体1は、複数のプライ25の端面が互いにずらされて積層されて形成される段差部23を有し、第1プライ26が最上層に積層される第1構造部、第1プライとは異なる第2プライ27であって、第1プライとは積層方向に離れて位置している第2プライが最上層に積層される第2構造部、及び第1、第2構造部の間に設けられた段差部、を含む本体部2と、段差部を覆う被覆部33、被覆部の一端部31より積層方向と直交する方向に沿って延在する一端部、及び被覆部の他端部32より積層方向と直交する方向に沿って延在する他端部、を含み、第1プライの表面の一部、又は第2プライの表面の一部だけを覆うように形成されている第1カバープライ3と、を備える。【選択図】図1 |
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