Cohesive Zone Parameters for the Interface between NiTi Shape Memory Alloy and CFRP

Yang, Seung Yong

doi:10.4028/www.scientific.net/KEM.321-323.196

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Numerical Modeling of Shape Memory Alloy Thin Film Actuators and Their Applications
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Wireless Instrumentation for Monitoring of Smart Structures
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Cohesive Zone Parameters for the Interface between NiTi Shape Memory Alloy and CFRP
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Home Key Engineering Materials Advanced Nondestructive Evaluation ICohesive Zone Parameters for the Interface between...

Cohesive Zone Parameters for the Interface between NiTi Shape Memory Alloy and CFRP

Abstract:

To explore the structural strength of CFRP shape memory alloy composites, it is necessary to evaluate the interface bonding strength. Jang and Kishi experimentally investigated the adhesive strength between NiTi fibers and CFRP composite [1]. In this paper, the interface de-decohesion behavior was simulated by three-dimensional cohesive zone method. The values of related numerical parameters were chosen to fit the experimental result.

Info:

Periodical:

Key Engineering Materials (Volumes 321-323)

Main Theme:

Advanced Nondestructive Evaluation I

Edited by:

Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi

Pages:

196-199

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.196

Citation:

S. Y. Yang "Cohesive Zone Parameters for the Interface between NiTi Shape Memory Alloy and CFRP", Key Engineering Materials, Vols. 321-323, pp. 196-199, 2006

Online since:

October 2006

Authors:

Seung Yong Yang

Keywords:

Cohesive Zone Model (CZM), Finite Element Analysis (FEA), Hybrid Composite, Shape Memory Alloy Actuator

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References

[1] B.K. Jang and T. Kishi: Materials Letters Vol. 59 (2005), p.1338.

[2] Y. Xu et al.: Intermetallics Vol. 10 (2002), p.361.

[3] R. Oishi et al.: 5th SSRC Workshop (2002).

[4] S.Y. Yang et al.: Key Eng. Mat. Vol. 297-300 (2005), p.1551.

[5] M.S. Huang and L.C. Brinson: J. Mech. Phy. Sol. Vol. 46 (1998), p.1379.

[6] A.V. Idesman et al.: J. Mech. Phy. Sol. Vol. 53 (2005), p.495.

[7] A. Needleman: J. Appl. Mech. Vol. 54 (1987), p.525.

[8] J.H. Rose et al.: Phy. Rev. Let. Vol. 47 (1981), p.675.

[9] A. de-Andres et al.: Int. J. Sol. Struc. Vol. 70 (2003), p.209.

Paper TitlePages

Numerical Study of the Fatigue Crack in Welded Beam-To-Column Connection Using Cohesive Zone Model

Authors: Cedric Lequesne, A. Plumier, H. Degee, Anne Marie Habraken

Abstract: The fatigue behaviour of the welded beam-to-column connections of steel moment resisting frame in seismic area must be evaluated. The cohesive zone model is an efficient solution to study such connections by finite elements. It respects the energetic conservation and avoids numerical issues. A three-dimensional cohesive zone model element has been implemented in the home made finite element code Lagamine [1]. It is coupled with the fatigue continuum damage model of Lemaître and Chaboche [2]. The cohesive parameters are identified by the inverse method applied on a three points bending test modelling.

847

Simulation of Delamination Using Discontinuous Galerkin Finite Element Methods and Cohesive Models

Authors: Felicia Stan

Abstract: This paper presents a computational framework for simulation of delamination that combines the features of the discontinuous Galerkin methods with the versatility of the cohesive zone models. Within the finite element formulation of the discontinuous Galerkin methods, displacement discontinuities (jumps) are allowed across the element boundaries. Thus, the cracks are naturally included in the model without modifying the initial mesh. The displacement discontinuities across the element boundaries are used to compute the separations in the cohesive fracture law. The delamination initiation occurs when the traction across the element boundaries reaches its maximum; when the separation exceeds a critical value, total decohesion occurs. Numerical example is presented to illustrate the validity and effectiveness of the present methodology.

501

Modelling of Fibre-Matrix Interface of Brittle Matrix Long Fibre Composite by Application of Cohesive Zone Method

Authors: Vladislav Kozák, Zdeněk Chlup

Abstract: Ceramic matrix composites reinforced by unidirectional long ceramic fibre are very perspective materials. The only disadvantage of such materials is relatively high brittleness at room temperature. The main micromechanism acting as toughening mechanism is the pull out. There are other mechanisms as crack bridging, crack deflection etc. but the primer mechanism is mentioned pull out which is governed by interface between fibre and matrix. The contribution shows a way how to predict and/or optimise behaviour of composite by application of cohesive zone method using the FEM numerical package Abaqus. The presented results from numerical calculations are compared with experimental data.

231

Cohesive Cracking Simulation of Concrete Using Effective Modulus

Authors: Jin Chang Wang, Lei Zhang, Jia Min Zhang

Abstract: The research methods of Cohesive Zone Model (CZM) are introduced and the parameters of cohesive zone model in ABAQUS software are calibrated based on the cohesive constitutive model determined by the fracture energy. Besides adopting exponential cohesive zone model, this paper applies a bilinear one to simulate the crack propagation of a simply supported single-edge notched concrete beams SE(B) (Mode I) and make comparisons with experimental result. Finally, the results represent effectiveness of the effective modulus and the special advantage in term of failure of fracture based on the cohesive zone model, which is of directly guiding significance for achieving a deep going understanding of crack propagation.

1503

Study on Interface Failure of Propellant and Liner Material with Mechanics Analysis

Authors: Ai Min Jiang, Gao Chun Li, Ai Ping Tian

Abstract: In order to analyze failure phenomena and mechanical properties of propellant-liner interface material, both experimental study and modeling were carried out. The adhesive system was observed under tensile. Based on experiment, the finite element analysis was implemented. Results show that the failure is initiated on a certain point near the propellant and the deformation concentration of localization zone and the macro-cracks occur. The failure process can be modeled and stress distributions can be obtained by introducing cohesive element. The method offers references to interface designing

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