SYMPOSIA PAPER Published: 01 January 1995
STP14628S

Cleavage Fracture Quantified by J and A

Source

The analytical asymptotic solutions including higher order terms for stresses at a crack tip embedded in a power law elastic-plastic material are applied to the interpretation of cleavage fracture for a mild steel. It is demonstrated that fracture initiation can be determined by using two parameters J and A2 — J represents the level of loading and A2 quantifies the level of constraint. Constraint related issues such as size effect, transferability, and biaxial stress effect are investigated. The predicted results have the same trend as seen experimentally.

Author Information

Chao, YJ
University of South Carolina, Columbia, SC
Ji, W
University of South Carolina, Columbia, SC
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Details
Developed by Committee: E08
Pages: 3–20
DOI: 10.1520/STP14628S
ISBN-EB: 978-0-8031-5305-9
ISBN-13: 978-0-8031-2013-6