Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials

Brian Nyvang Legarth; Qingda Yang

doi:10.1115/1.4032690

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Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials

Journal article

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Peer reviewed

Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials

Brian Nyvang Legarth and Qingda Yang

Journal of applied mechanics, Vol.83(5), pp.Legarth , B N & Yang , Q 2016 , ' Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials ' , Journal of Applied Mechanics , vol. 83 , no. 5 , pp. 051006 . https://doi.org/10.1115/1.4032690-Legarth , B N & Yang , Q 2016 , ' Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials ' , Journal of Applied Mechanics , vol. 83 , no. 5 , pp. 051006 . https://doi.org/10.1115/1.4032690

2016-05-01

DOI: https://doi.org/10.1115/1.4032690

Abstract

Micromechanics

Computational mechanics

Failure in elastic dual-phase materials under transverse tension is studied numerically. Cohesive zones represent failure along the interface and the augmented finite element method (A-FEM) is used for matrix cracking. Matrix cracks are formed at an angle of 55 deg−60 deg relative to the loading direction, which is in good agreement with experiments. Matrix cracks initiate at the tip of the debond, and for equi-biaxial loading cracks are formed at both tips. For elliptical reinforcement the matrix cracks initiate at the narrow end of the ellipse. The load carrying capacity is highest for ligaments in the loading direction greater than that of the transverse direction.

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 7 Engineering & Materials Science; 7.63 Mechanics; 7.63.367 Delamination
Web Of Science research areas: Mechanics
ESI research areas: Engineering

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Details

Title: Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials
Creators: Brian Nyvang Legarth - Associate ProfessorDepartment of Mechanical Engineering,Solid Mechanics,Technical University of Denmark,DK-2800 Kgs. Lyngby, Denmarke-mail: bnl@mek.dtu.dk
Qingda Yang - Associate ProfessorDepartment of Mechanical and Aerospace Engineering,University of Miami,Coral Gables, FL 33124e-mail: qdyang@miami.edu
Publication Details: Journal of applied mechanics, Vol.83(5), pp.Legarth , B N & Yang , Q 2016 , ' Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials ' , Journal of Applied Mechanics , vol. 83 , no. 5 , pp. 051006 . https://doi.org/10.1115/1.4032690-Legarth , B N & Yang , Q 2016 , ' Micromechanical Analyses of Debonding and Matrix Cracking in Dual-Phase Materials ' , Journal of Applied Mechanics , vol. 83 , no. 5 , pp. 051006 . https://doi.org/10.1115/1.4032690
Publisher: ASME
Academic Unit: College of Engineering; CoE - Mechanical & Aerospace Engineering
Language: English
Resource Type: Journal article
Record Identifier: 991031578457302976