Open AccessEvaluation of Stress Intensity Factor of Cracked Plates
Author(s) -
C Reshma
Publication year - 2021
Publication title -
international journal for research in applied science and engineering technology
Language(s) - English
Resource type - Journals
ISSN - 2321-9653
DOI - 10.22214/ijraset.2021.36799
Subject(s) - stress intensity factor , materials science , structural engineering , fracture (geology) , stress concentration , reliability (semiconductor) , fracture mechanics , stress (linguistics) , safety factor , intensity (physics) , mechanics , composite material , engineering , physics , optics , power (physics) , linguistics , philosophy , quantum mechanics
Structures are subjected to undesirable changes in their structural properties mainly due to errors in design and construction, heavy loads, fatigue or other degradation. Plate structures are highly sensitive to the formation of cracks and its growth which adversely affects its performance. Notches, induced or self occurring defects, holes acts as stress concentration zone which initiates the crack formation. Knowledge about the severity of cracks is important to predict the component’s life. According to linear elastic fracture mechanics, a key parameter in determining the crack severity is stress intensity factor. Years ago , high factor of safety was chosen to account for unforeseen factors. Development of fracture mechanics enables a designer to use a lower factor of safety, thereby reducing structural components cost. The components weight is also reduced and their reliability is thus enhanced. In this work, experimental and analytical determination of combination of stress intensity factors for rectangular plates with inclined through crack subjected to uniaxial load at failure is found out.