scholarly journals An Analytical Elastic-Plastic Stress Analysis for a Steel Fibre Reinforced Thermoplastic Composite Beam Subjected to Thermal Loading

2001 ◽  
Vol 6 (2) ◽  
pp. 123-136
Author(s):  
Hasan Çallıoğlu ◽  
Mehmet Şenel ◽  
Mehmet Savran
Keyword(s):  
Stress Analysis ◽  
Composite Beam ◽  
Thermal Loading ◽  
Steel Fibre ◽  
Thermoplastic Composite ◽  
Elastic Plastic ◽  
Plastic Stress

An Analytical Method for Elastic-Plastic Stress in a Thermoplastic Composite Cantilever Beam Subjected to Bias-Axis Tension Load

2005 ◽  
Vol 219 (10) ◽  
pp. 1017-1026 ◽  
Author(s):  
X Wang ◽  
K Dong ◽  
J Xiao
Keyword(s):  
Finite Element ◽  
Analytical Solution ◽  
Cantilever Beam ◽  
Composite Beam ◽  
Steel Fibre ◽  
Thermoplastic Composite ◽  
Hardening Material ◽  
Elastic Plastic ◽  
Tension Load ◽  
Plastic Stress

The paper presents an elastic-plastic stress analysis for a woven steel fibre-reinforced thermoplastic composite cantilever beam subjected to bias-axis tension load. A polynomial stress function is utilized to satisfy both the governing differential equation in the plane stress case and the corresponding boundary conditions for elastic-plastic deformation. An analytical solution for the elastic-plastic problem of the composite beam is obtained by means of Tsai-Hill strength theory of anisotropic material. The composite beam is composed of a steel fibre reinforced low-density polyethylene thermoplastic matrix with exponent hardening material property. In contrast, an elastic-plastic finite element for the same problem is also carried out by applying ANSYS finite element analysis system. Comparing the analytical solution with the finite element solution, it can be found that two kinds of results obtained by making use of two different solving methods are suitably approached. Finally, some examples for thermoplastic composite cantilever beams with two kinds of volume percentage of fibres are carried out and the corresponding results are discussed.

Elastic-Plastic Stress Analysis in a Thermoplastic Composite Cantilever Beam Loaded by Bending Moment

2002 ◽  
Vol 21 (2) ◽  
pp. 175-176
Author(s):  
Onur Sayman ◽  
Mesut Uyaner ◽  
Necmeitin Tarakçioglu
Keyword(s):  
Stress Analysis ◽  
Cantilever Beam ◽  
Yield Criterion ◽  
Stress Component ◽  
Bending Moment ◽  
Thermoplastic Composite ◽  
Plastic Deformations ◽  
Elastic Plastic ◽  
Governing Differential Equation ◽  
Plastic Stress

In this study, an elastic-plastic stress analysis is carried out in a thermoplastic composite cantilever beam loaded by a bending moment at the free end. The composite beam is reinforced unidirectionally by steel fibers at 0, 30. 45, 60, and 90° orientation angles. An analytical solution is performed for satisfying both the governing differential equation in the plane stress case and boundary conditions for small plastic deformations. The solution is carried out under the assumption of the Bernoulli-Navier hypotheses. It is found that the intensity of the residual stress component of σ x is maximum at the upper and lower surfaces or at the boundary of the elastic and plastic regions. The composite material is assumed to be as hardening linearly. The Tsai-Hill theory is used as a yield criterion.

Elastic-Plastic Stress Analysis in a Thermoplastic Composite Cantilever Beam Loaded by Bending Moment

2002 ◽  
Vol 21 (2) ◽  
pp. 175-192
Author(s):  
Onur Sayman ◽  
Mesut Uyaner ◽  
Necmettin Tarakçioglu
Keyword(s):  
Stress Analysis ◽  
Cantilever Beam ◽  
Yield Criterion ◽  
Stress Component ◽  
Bending Moment ◽  
Thermoplastic Composite ◽  
Plastic Deformations ◽  
Elastic Plastic ◽  
Governing Differential Equation ◽  
Plastic Stress

In this study, an elastic-plastic stress analysis is carried out in a thermoplastic composite cantilever beam loaded by a bending moment at the free end. The composite beam is reinforced unidirectionally by steel fibers at 0, 30, 45, 60, and 90° orientation angles. An analytical solution is performed for satisfying both the governing differential equation in the plane stress case and boundary conditions for small plastic deformations. The solution is carried out under the assumption of the Bernoulli-Navier hypotheses. It is found that the intensity of the residual stress component of σ x is maximum at the upper and lower surfaces or at the boundary of the elastic and plastic regions. The composite material is assumed to be as hardening linearly. The Tsai-Hill theory is used as a yield criterion.

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