An investigation of thermal elasto-plastic stress analysis of laminated thermoplastic composites with a circular hole under uniform temperature loading


Sen F.

SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS, vol.13, no.3, pp.213-224, 2006 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 13 Issue: 3
  • Publication Date: 2006
  • Journal Name: SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.213-224
  • Keywords: thermal stress analysis, laminated composites, finite element method (FEM), thermoplastic composites, RESIDUAL-STRESSES, PLATES
  • Dokuz Eylül University Affiliated: No

Abstract

This investigation was performed to study the response of a thermal elasto-plastic stress analysis and residual stresses on symmetric cross ply [0/90](s) and angle-ply [30/-30](s), [45/-45](s), [60/-60](s) steel fiber reinforced thermoplastic laminated plate, which is subjected to a uniform temperature load with a circular hole. To evaluate the effects of uniform temperature value and stacking sequence of the laminated thermoplastic composite plates on the thermal stress, the study was carried out using the finite element solution. For this purpose the solution was calculated by ANSYS analysis code. The width to diameter (L/D) ratio in the plate was selected as 10. The composite materials were assumed to be linearly hardening. The Tsai-Hill theory was used as a yield criterion. Thermoplastic laminated composite plates were simply supported. All thermal stress values depending on applied temperature are shown in tables. It was found that increasing uniform temperature values and stacking sequence of composite plates considerably affected thermal stresses.