自由端をもつ一方向FRP材へのくさびの押込みについての光弾性解析

概要

論文の詳細を見る
As a cutting model of FRP, the deformation mechanism of wedge indentation for the unidirectional glass fiber reinforced plastic materials was studied by means of photoelastic method. For the small range of distance from the wedge tip to the surface (equivalence to the depth of cut), the isochromatic fringe of τ-shape appeared under the wedge, and this isochromatic fringe was strongly affected by the variation of both the depth of cut and the inclination angle of yarn. The main results obtained are as follow : (1) The indenting load appearing τ-shapes isochromatic fringe was in proportion to the depth of cut. (2) The isochromatic fringe of τ-shape is apt to generate in the small inclination angle of yarn and in the case of the specimen without yarn may be taken the average change of specimens having various inclination angles of yarn. (3) The theoretical analysis assuming the horizontal component force instead of existence of plate corner well explain the experimental results.
日本複合材料学会の論文