Residual Stress Analysis And Expansion of Plastic Zone in Simple Supported and Clamped Supported Woven Ni—Cr Reinforced Thermoplastic Matrix Composite Laminated Plates

Author:

Aykul Halil1,Uzkut Mehmet2

Affiliation:

1. Department of Mechanical Engineering Engineering Faculty, Hitit University, Turkey,

2. Turgutlu Vocational Training School Celal Bayar University, Turkey

Abstract

In this study, a residual stress analysis is carried out on symmetric cross-ply and angle-ply thermoplastic simple supported and clamped supported laminated plates for transverse loading. Low density polyethylene thermoplastic matrix (LDPE) and woven Ni—Cr fibers are used to produce the composite plates by using molds. First order shear deformation theory and nine nodes Lagrangian finite element are used. Mathematical formulation is given for the elasto-plastic stress analysis of a laminated plate for small deformations. Yield points and stresses are obtained for symmetric simple supported and clamped supported laminated plates. Residual stresses in thermoplastic plates are given in the tables. The expansion of plastic zones is illustrated for 50, 100 and 150 loading steps. Yield points and the expansion of plastic zones are compared for different plates. Mechanical properties of a layer are obtained experimentally.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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