THE EFFECT OF FIBER BREAKAGE CAUSED BY TRANSIENT SHEAR STRESS DISTRIBUTION IN SINGLE-LAP ADHESIVE JOINT COMPOSITE MATERIAL

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SHISHEHSAZ M.; YAGHOUBI S.

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Journal: JOURNAL OF NEW MATERIALS Year:2015 | Volume:6 | Issue:1 (21) Page(s): 1-18

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Title

THE EFFECT OF FIBER BREAKAGE CAUSED BY TRANSIENT SHEAR STRESS DISTRIBUTION IN SINGLE-LAP ADHESIVE JOINT COMPOSITE MATERIAL

Author(s)

SHISHEHSAZ M. | YAGHOUBI S. | Issue Writer Certificate

Keywords

COMPOSITE MATERIALSQ2

FIBERSQ2

ADHESIVE JOINTQ2

SHEAR STRESSQ2

TRANSIENT STRESSQ2

Abstract

In this research, the transient SHEAR STRESS distribution in an ADHESIVE JOINT due to fiber breakage has been investigated. TRANSIENT STRESS is a dynamic response of the joint to the fiber discontinuities till their static equilibrium state. To study this behavior, equations governing the motion of FIBERS in the matrix, due to their breakage, are derived and the effect of number of broken FIBERS is studied on transient response of the structure. Shear lag model is used to extract fiber displacement. The equilibrium equations are solved using the explicit finite difference method. The effect of fiber materials and adhesive thickness is also studied on stress distribution. Results show that for an increase in the number of broken FIBERS, the stress concentration in the composite structure increases. Moreover, the SHEAR STRESS created in the matrix and the adhesive layer is reduced with an increase in fiber elastic modulus, such that for glass and graphite FIBERS (E=74 and 130 GPa respectively), the maximum SHEAR STRESSes in the adhesive are 0.861 and 0.461 MPa, while in the adherends, they are equal to 3.192 and 2.409 MPa respectively.

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APA: Copy

SHISHEHSAZ, M., & YAGHOUBI, S.. (2015). THE EFFECT OF FIBER BREAKAGE CAUSED BY TRANSIENT SHEAR STRESS DISTRIBUTION IN SINGLE-LAP ADHESIVE JOINT COMPOSITE MATERIAL. JOURNAL OF NEW MATERIALS, 6(1 (21)), 1-18. SID. https://sid.ir/paper/169688/en

Vancouver: Copy

SHISHEHSAZ M., YAGHOUBI S.. THE EFFECT OF FIBER BREAKAGE CAUSED BY TRANSIENT SHEAR STRESS DISTRIBUTION IN SINGLE-LAP ADHESIVE JOINT COMPOSITE MATERIAL. JOURNAL OF NEW MATERIALS[Internet]. 2015;6(1 (21)):1-18. Available from: https://sid.ir/paper/169688/en

IEEE: Copy

M. SHISHEHSAZ, and S. YAGHOUBI, “THE EFFECT OF FIBER BREAKAGE CAUSED BY TRANSIENT SHEAR STRESS DISTRIBUTION IN SINGLE-LAP ADHESIVE JOINT COMPOSITE MATERIAL,” JOURNAL OF NEW MATERIALS, vol. 6, no. 1 (21), pp. 1–18, 2015, [Online]. Available: https://sid.ir/paper/169688/en

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