Stress investigation on crack tip plastic zone - part II: sub-interface crack and crack in layered materials

• Main Author: Poh, Xuan You.
• Other Authors: Xiao Zhongmin
• Format: Final Year Project
• Language: English
• Published: 2011
• Subjects: DRNTU::Engineering::Materials::Composite materials
• Online Access: http://hdl.handle.net/10356/45980
• Institution: Nanyang Technological University

Elastic-plastic stress analysis has been carried out for the value of J Integral of a sub-interface crack with small scale yielding. In the study, the shape of plastic zone is assumed as a long, slim strip at both crack tips. In the plastic zone, both normal stress and yield stress exist and are...