Mechanical Behavior of Uniaxially Loaded Multilayered Cylindrical Composites

1971 ◽  
Vol 93 (4) ◽  
pp. 661-670 ◽  
Author(s):  
C. H. Hamilton ◽  
S. S. Hecker ◽  
L. J. Ebert
Keyword(s):  
Maraging Steel ◽  
Mechanical Response ◽  
Fiber Composite ◽  
Axial Loading ◽  
Internal Stresses ◽  
Brittle Layer ◽  
Fiber Matrix Interface ◽  
Transverse Stresses ◽  
Fiber Composite Materials ◽  
Composite Cylinders

An analytical model was developed to predict the mechanical response to axial loading of oriented fiber composite materials containing a third (dissimilar) material at the fiber-matrix interface. The model approximated the fiber composite geometry by three concentric, but integral, cylinders. Both a totally elastic and an elastic-plastic analysis of the three-component cylinder demonstrated that transverse stresses, with the signs and magnitudes depending upon the elastic and plastic characteristics of the components, developed during axial loading. Tensile transverse stresses, which could drastically reduce the axial properties of the composite if a brittle layer existed at the interface, were shown to result from various combinations of component properties. The internal stresses predicted for the composite model were verified experimentally by testing three-component composite cylinders of maraging steel-copper-maraging steel and Berylco-copper-Berylco in tension.

Some Remarks on the Effect of Interphases on the Mechanical Response and Stability of Fiber-Reinforced Elastomers

2012 ◽  
Vol 79 (3) ◽  
Author(s):  
Katia Bertoldi ◽  
Oscar Lopez-Pamies
Keyword(s):  
Mechanical Response ◽  
Fiber Composite ◽  
Fiber Reinforced ◽  
Elastic Solids ◽  
Elastomeric Matrix ◽  
Fiber Reinforced Materials ◽  
Drastic Effect ◽  
American Society ◽  
Nonlinear Elastic ◽  
Fiber Composite Materials

In filled elastomers, the mechanical behavior of the material surrounding the fillers -termed interphasial material-can be significantly different (softer or stiffer) from the bulk behavior of the elastomeric matrix. In this paper, motivated by recent experiments, we study the effect that such interphases can have on the mechanical response and stability of fiber-reinforced elastomers at large deformations. We work out in particular analytical solutions for the overall response and onset of microscopic and macroscopic instabilities in axially stretched 2D fiber-reinforced nonlinear elastic solids. These solutions generalize the classical results of Rosen (1965, “Mechanics of Composite Strengthening,” Fiber Composite Materials, American Society for Metals, Materials Park, OH, pp. 37–75), and Triantafyllidis and Maker (1985, “On the Comparison between Microscopic and Macroscopic Instability Mechanisms in a Class of Fiber-Reinforced Composites,” J. Appl. Mech., 52, pp. 794–800), for materials without interphases. It is found that while the presence of interphases does not significantly affect the overall axial response of fiber-reinforced materials, it can have a drastic effect on their stability.

Wood-Glass Fiber Composite Materials in Structural Elements of Tram Tracks

2019 ◽  
Vol 777 (12) ◽  
pp. 73-77
Author(s):  
B.A. BONDAREV ◽  
◽  
T.N. STORODUBTSEVA ◽  
D.A. KOPALIN ◽  
S.V. KOSTIN ◽  
...  
Keyword(s):  
Composite Materials ◽  
Glass Fiber ◽  
Fiber Composite ◽  
Structural Elements ◽  
Glass Fiber Composite ◽  
Fiber Composite Materials
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