Experimental characterization, analytical and numerical investigations of metal/polymer/metal sandwich composites - Part 1: Deep drawing

被引:19
|
作者
Harhash, Mohamed [1 ,3 ]
Gilbert, Rose Rogin [2 ]
Hartmann, Stefan [2 ]
Palkowski, Heinz [1 ]
机构
[1] Tech Univ Clausthal, Inst Met, Robert Koch Str 42, D-38678 Clausthal Zellerfeld, Germany
[2] Tech Univ Clausthal, Inst Appl Mech, Adolph Roemer Str 2a, D-38678 Clausthal Zellerfeld, Germany
[3] Suez Univ, Dept Met & Mat Engn, Fac Petr & Min Engn, POB 43721, Suez, Egypt
关键词
Composite sandwich; Steel; Polymer; Deep drawing; FEM modeling; Mechanical properties; FINITE; BEHAVIOR; STRAIN;
D O I
10.1016/j.compstruct.2018.06.066
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
Hybrid sandwich composites are of special interest for engineering applications requiring control of fuel consumption rate. Together with their lightweight potential, composite laminates improve the damping capacity, thermal insulation and specific stiffness. Numerous challenges exist regarding production, forming, joining, and recycling of such materials. In the present work, several configurations of three-layered sandwich composite made of metal skin and polymer core are investigated. Experimental tests at room temperature are carried out for mechanically characterizing the constituting materials. Moreover, the effect of the skin/core layer thicknesses and their configuration on the forming potential under deep drawing conditions is presented, together with numerical aspects using finite elements. Additionally, the study of the strain field distribution is carried out by means of metallographic and digital image correlation methods. A good agreement was derived regarding predicting the forming forces, the strain field distribution and thickness reduction results determined by experimental, analytical and numerical methods.
引用
收藏
页码:1308 / 1321
页数:14
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