Paper Title:
The Strain Energy Release Rate of a Bi-Material Beam with Interfacial Crack
  Abstract

Multi-layer structures are common in electronic package especially for the micro devices manufactured via the semi-conductor processes or MEMS processes. Interfacial crack due to the delamination significantly weakens the multi-layer structure. It is desired to understand the interfacial fracture properties of the electronic packaging materials. In this research, three specimens named Doubled Cantilever Beam (DCB), End-Notched Flexure (ENF), and Four-Point-Bending are proposed to investigate the fracture toughness associated with mode I, mode II and mixed mode. Basing on the Euler-Bernoulli beam theory, the strain energy in a bi-layer beam is derived. The strain energy before and after the propagation of the interfacial crack are calculated, lead to the determination of the strain energy release rate. The analytical results of strain energy release rate derived in this investigation are compared with the numerical results obtained from finite element method. The effects of material properties and thickness between the adjacent layers of interfacial crack are examined through the parametric study.

  Info
Periodical
Key Engineering Materials (Volumes 306-308)
Edited by
Ichsan Setya Putra and Djoko Suharto
Pages
369-374
DOI
10.4028/www.scientific.net/KEM.306-308.369
Citation
S. C. Her, W.-B. Su, "The Strain Energy Release Rate of a Bi-Material Beam with Interfacial Crack", Key Engineering Materials, Vols. 306-308, pp. 369-374, 2006
Online since
March 2006
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Won Seock Kim, Jung Ju Lee
Abstract:The failure in an adhesive-bonded structure starts at the interface, and the interfacial fracture is of interest whenever adhesion between...
327
Authors: Meng Kao Yeh, Yun Yu Lai
Abstract:The interfacial property between graphite/epoxy laminate and multi-walled carbon nanotubes (MWNTs)/polymer nanocomposites was investigated....
133
Authors: Shiuh Chuan Her, Wei Bo Su
Chapter 3: Frontiers of Civil Engineering
Abstract:Analytical model based on the Bernoulli beam theory and fracture mechanics have been developed to predict the fracture toughness of a...
1440
Authors: Chen Cheng, Shui Wan, Zhen Wen Jang
Chapter 10: Reliability and Durability of Structures
Abstract:A method to simulate the crack growth, according to the strain energy release rate criterion, with the virtual crack close technique, is...
3002
Authors: Reza Bakhtiari, Ehsan Darabi, Ali Ravaee
Chapter 1: Advanced Materials Engineering and Technology
Abstract:In this paper, the mixed-mode cohesive fracture behavior of adhesively bonded joints was investigated based on numerical analysis. A modified...
231