Journal Published Online: 22 July 2024
Volume 52, Issue 5

Review of Identification Methods for Early-Stage Cracking in Solids

CODEN: JTEVAB

Abstract

Cracking is a predominant factor in engineering accidents, often leading to catastrophic failures. The evolutionary process of cracks in materials starts at the microscopic level, expands at the mesoscale, and culminates in failure at the macroscale. Early detecting cracks and monitoring of crack development are crucial for interrupting the sequence of risk propagation and preventing structural accidents. The detection and growth tracking of cracks, both in laboratories and in engineering structures, have garnered extensive research attention. This study provides a systematic review of identification methods for early-stage cracking in solids, encompassing technologies for detecting opening cracks and monitoring their progression. It details the principles and applicable materials of these methods, highlighting the advantages and disadvantages of identifying microcracks or tracking their growth in various materials. In conclusion, the article summarizes microcrack identification methods and outlines future research directions in three key areas: large-area, visual, and intelligent identification capabilities. This review offers valuable insights into the integration of multiple technologies, facilitating efficient identification of microcracks in situ and in laboratory settings.

Author Information

Jia, Yu
Nanjing Hydraulic Research Institute, Materials & structural Engineering Department, Nanjing, China The National Key Laboratory of Water Disaster Prevention, Nanjing, China
Wang, Yukun
Nanjing Hydraulic Research Institute, Materials & structural Engineering Department, Nanjing, China The National Key Laboratory of Water Disaster Prevention, Nanjing, China Tianjin University, School of Civil Engineering, Tianjin, China
Tang, Lei
Nanjing Hydraulic Research Institute, Materials & structural Engineering Department, Nanjing, China The National Key Laboratory of Water Disaster Prevention, Nanjing, China
Wang, Chengqiang
The National Key Laboratory of Water Disaster Prevention, Nanjing, China Nanjing Hydraulic Research Institute, Materials & structural Engineering Department, Nanjing, China
Pages: 26
Price: $25.00
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Stock #: JTE20230733
ISSN: 0090-3973
DOI: 10.1520/JTE20230733