叠层复合材料杆弯曲的层间应力(Ⅱ)
Interlaminar Stresses of a Laminated Composite Bar under Bending(Ⅱ)
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摘要: 一矩形横截面的叠层复合材料杆,由以一种材料为中心部分,及另一种材料的上下两相同的盖板所组成.以线性弯曲应力所组成的力偶,作用于杆两端的中心部分(图1a),使杆弯曲.本文将探讨层间应力,以表明力是怎样通过胶合面传递给盖板的.Abstract: A laminated composite bar of rectangular cross section consists of a middle portion of one material as well as upper and lower identical cover plates of another material. Couples formed by linear bending stresses act in the middle portion at the ends of the bar to cause bending. Interlaminar stresses are to be found showing how the forces are transmitted through the glued surfaces to the cover plates.
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[1] Goland.M.and E.Reissner,The stresses in cemented joints,Journal of Applied Mechanics,ASME,1(1944). [2] Timoshenko,S.,The Approximate Solution of Two-Dimensional Problems in Elasticity,Collected papers(1953). [3] 张福范,拉伸杆的贴片所传递的应力,上海力学,3(1983). [4] 张福范,双金属条整温器的接触热应力,应用数学和力学,4.3(1983). -
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